[vlc-devel] [PATCH 5/6] thread: remove vlc_mutex_destroy()

Thomas Guillem thomas at gllm.fr
Mon Feb 24 10:18:38 CET 2020


On Fri, Feb 21, 2020, at 10:31, Rémi Denis-Courmont wrote:
> Squashing is possible but I don't see the point. The number of conflicts in rebasing depends on how many commits are rebased, not how many commits are rebased onto.
> 
> In other words, it's my problem - if somebody else merges a conflicting change in the mean time.

Ah yes, indeed.

> 
> Le 21 février 2020 09:08:24 GMT+02:00, Thomas Guillem <thomas at gllm.fr> a écrit :
>> Hello,
>> 
>> Is it possible to merge 5 and 6? 
>> 
>> Conds and muteces are generally together. And that way we have one conflict to solve instead of two in case of rebasing.
>> 
>> (On a phone, didn't fully review the other patches)
>> 
>> On Thu, Feb 20, 2020, at 20:58, Rémi Denis-Courmont wrote:
>>>  include/vlc_cxx_helpers.hpp                       |  4 ----
>>>  include/vlc_threads.h                             |  7 -------
>>>  lib/core.c                                        |  1 -
>>>  lib/event.c                                       |  2 --
>>>  lib/media.c                                       |  2 --
>>>  lib/media_list.c                                  |  2 --
>>>  lib/media_list_player.c                           |  5 -----
>>>  modules/access/bluray.c                           | 10 +---------
>>>  modules/access/decklink.cpp                       |  1 -
>>>  modules/access/dshow/dshow.cpp                    |  1 -
>>>  modules/access/dtv/bdagraph.cpp                   |  1 -
>>>  modules/access/dv.c                               |  3 ---
>>>  modules/access/dvdnav.c                           |  2 --
>>>  modules/access/http/h2conn.c                      |  2 --
>>>  modules/access/http/h2output.c                    |  2 --
>>>  modules/access/mms/mmstu.c                        |  2 --
>>>  modules/access/rist.c                             |  2 --
>>>  modules/access/srt.c                              |  4 ----
>>>  modules/access_output/rist.c                      |  2 --
>>>  modules/access_output/srt.c                       |  4 ----
>>>  modules/audio_filter/compressor.c                 |  3 ---
>>>  modules/audio_filter/equalizer.c                  |  2 --
>>>  modules/audio_filter/spatializer/spatializer.cpp  |  1 -
>>>  modules/audio_output/amem.c                       |  1 -
>>>  modules/audio_output/audiotrack.c                 |  1 -
>>>  modules/audio_output/audiounit_ios.m              |  2 --
>>>  modules/audio_output/auhal.c                      |  5 -----
>>>  modules/audio_output/coreaudio_common.c           | 15 ---------------
>>>  modules/audio_output/coreaudio_common.h           |  5 +----
>>>  modules/audio_output/directsound.c                |  3 ---
>>>  modules/audio_output/kai.c                        |  1 -
>>>  modules/audio_output/opensles_android.c           |  1 -
>>>  modules/audio_output/waveout.c                    |  1 -
>>>  modules/codec/avcodec/video.c                     |  2 --
>>>  modules/codec/dmo/dmo.c                           |  2 --
>>>  modules/codec/kate.c                              |  1 -
>>>  modules/codec/libass.c                            |  1 -
>>>  modules/codec/omxil/mediacodec.c                  |  1 -
>>>  modules/codec/omxil/omxil_utils.h                 |  3 +--
>>>  modules/codec/omxil/utils.c                       |  1 -
>>>  modules/codec/videotoolbox.c                      |  3 ---
>>>  modules/codec/zvbi.c                              |  2 --
>>>  modules/control/dbus/dbus.c                       |  3 ---
>>>  modules/control/gestures.c                        |  2 --
>>>  modules/control/globalhotkeys/win32.c             |  3 ---
>>>  modules/control/rc.c                              |  2 --
>>>  modules/demux/adaptive/PlaylistManager.cpp        |  3 ---
>>>  modules/demux/adaptive/Streams.cpp                |  2 --
>>>  modules/demux/adaptive/encryption/Keyring.cpp     |  1 -
>>>  modules/demux/adaptive/http/Chunk.cpp             |  1 -
>>>  modules/demux/adaptive/http/Downloader.cpp        |  1 -
>>>  .../demux/adaptive/http/HTTPConnectionManager.cpp |  1 -
>>>  .../adaptive/logic/NearOptimalAdaptationLogic.cpp |  1 -
>>>  .../adaptive/logic/PredictiveAdaptationLogic.cpp  |  1 -
>>>  .../adaptive/logic/RateBasedAdaptationLogic.cpp   |  1 -
>>>  modules/demux/adaptive/plumbing/FakeESOut.cpp     |  1 -
>>>  modules/demux/mkv/demux.cpp                       |  2 --
>>>  modules/demux/mkv/events.cpp                      |  1 -
>>>  modules/demux/mpeg/ts.c                           |  4 ----
>>>  modules/gui/ncurses.c                             |  1 -
>>>  modules/gui/qt/medialibrary/mlbasemodel.cpp       |  1 -
>>>  modules/gui/skins2/commands/async_queue.cpp       |  1 -
>>>  modules/gui/skins2/commands/cmd_callbacks.hpp     |  1 -
>>>  modules/hw/d3d11/d3d11_surface.c                  |  1 -
>>>  modules/hw/mmal/codec.c                           |  2 --
>>>  modules/hw/mmal/converter.c                       |  2 --
>>>  modules/hw/mmal/mmal_cma.c                        |  1 -
>>>  modules/hw/mmal/mmal_picture.c                    |  2 --
>>>  modules/hw/mmal/vout.c                            |  2 --
>>>  modules/keystore/memory.c                         |  1 -
>>>  modules/lua/extension.c                           |  6 ------
>>>  modules/lua/libs/dialog.c                         |  1 -
>>>  modules/lua/services_discovery.c                  |  2 --
>>>  modules/misc/audioscrobbler.c                     |  2 --
>>>  modules/misc/fingerprinter.c                      |  2 --
>>>  modules/misc/rtsp.c                               |  2 --
>>>  modules/misc/securetransport.c                    |  2 --
>>>  modules/mux/mpeg/ts.c                             |  1 -
>>>  modules/notify/notify.c                           |  1 -
>>>  modules/services_discovery/podcast.c              |  2 --
>>>  modules/spu/audiobargraph_v.c                     |  2 --
>>>  modules/spu/dynamicoverlay/dynamicoverlay.c       |  1 -
>>>  modules/spu/logo.c                                |  1 -
>>>  modules/spu/marq.c                                |  1 -
>>>  modules/spu/mosaic.c                              |  1 -
>>>  modules/spu/rss.c                                 |  4 ----
>>>  modules/spu/subsdelay.c                           |  2 --
>>>  modules/stream_filter/decomp.c                    |  2 --
>>>  modules/stream_filter/hds/hds.c                   |  2 --
>>>  modules/stream_filter/prefetch.c                  |  2 --
>>>  modules/stream_out/chromecast/cast.cpp            |  1 -
>>>  modules/stream_out/rtp.c                          | 12 ------------
>>>  modules/stream_out/rtsp.c                         |  2 --
>>>  modules/stream_out/sdi/DBMSDIOutput.cpp           |  1 -
>>>  modules/stream_out/sdi/SDIStream.cpp              |  1 -
>>>  modules/stream_out/transcode/encoder/encoder.c    |  1 -
>>>  modules/stream_out/transcode/transcode.c          |  8 +-------
>>>  modules/video_filter/alphamask.c                  |  1 -
>>>  modules/video_filter/ball.c                       |  2 --
>>>  modules/video_filter/bluescreen.c                 |  1 -
>>>  modules/video_filter/erase.c                      |  1 -
>>>  modules/video_filter/extract.c                    |  1 -
>>>  modules/video_filter/gradfun.c                    |  1 -
>>>  modules/video_filter/gradient.c                   |  1 -
>>>  modules/video_filter/grain.c                      |  1 -
>>>  modules/video_filter/hqdn3d.c                     |  2 --
>>>  modules/video_filter/postproc.c                   |  1 -
>>>  modules/video_filter/puzzle.c                     |  3 ---
>>>  modules/video_output/decklink.cpp                 |  1 -
>>>  modules/video_output/ios.m                        |  1 -
>>>  modules/video_output/splitter.c                   |  2 --
>>>  modules/video_output/wayland/xdg-shell.c          |  1 -
>>>  modules/video_output/win32/events.c               |  1 -
>>>  modules/video_output/win32/inhibit.c              |  2 --
>>>  modules/visualization/goom.c                      |  2 --
>>>  modules/visualization/projectm.cpp                |  2 --
>>>  modules/visualization/vsxu.cpp                    |  4 ----
>>>  src/android/thread.c                              |  1 -
>>>  src/audio_output/output.c                         |  3 ---
>>>  src/clock/clock.c                                 |  1 -
>>>  src/clock/input_clock.c                           |  1 -
>>>  src/input/decoder.c                               |  3 ---
>>>  src/input/demux_chained.c                         |  2 --
>>>  src/input/es_out.c                                |  2 --
>>>  src/input/es_out_timeshift.c                      |  2 --
>>>  src/input/input.c                                 |  1 -
>>>  src/input/item.c                                  |  1 -
>>>  src/input/resource.c                              |  2 --
>>>  src/input/stats.c                                 |  2 --
>>>  src/input/thumbnailer.c                           |  1 -
>>>  src/input/vlm.c                                   |  4 ----
>>>  src/interface/dialog.c                            |  2 --
>>>  src/libvlc.c                                      |  5 -----
>>>  src/libvlc.h                                      |  1 -
>>>  src/libvlccore.sym                                |  1 -
>>>  src/media_source/media_source.c                   |  1 -
>>>  src/media_source/media_tree.c                     |  1 -
>>>  src/misc/addons.c                                 |  2 --
>>>  src/misc/background_worker.c                      |  1 -
>>>  src/misc/events.c                                 |  2 --
>>>  src/misc/exit.c                                   |  6 ------
>>>  src/misc/fifo.c                                   |  1 -
>>>  src/misc/httpcookies.c                            |  1 -
>>>  src/misc/interrupt.c                              |  1 -
>>>  src/misc/medialibrary.c                           |  2 --
>>>  src/misc/messages.c                               |  1 -
>>>  src/misc/objects.c                                |  1 -
>>>  src/misc/picture_fifo.c                           |  1 -
>>>  src/misc/picture_pool.c                           |  1 -
>>>  src/misc/threads.c                                | 10 ----------
>>>  src/misc/update.c                                 |  2 --
>>>  src/network/httpd.c                               |  4 ----
>>>  src/os2/thread.c                                  |  1 -
>>>  src/player/player.c                               |  3 ---
>>>  src/player/timer.c                                |  1 -
>>>  src/posix/timer.c                                 |  2 --
>>>  src/preparser/fetcher.c                           |  2 --
>>>  src/stream_output/stream_output.c                 |  3 ---
>>>  src/test/timer.c                                  |  2 --
>>>  src/video_output/control.c                        |  1 -
>>>  src/video_output/opengl.c                         |  2 --
>>>  src/video_output/snapshot.c                       |  1 -
>>>  src/video_output/video_output.c                   |  5 -----
>>>  src/video_output/vout_subpictures.c               |  5 -----
>>>  src/video_output/window.c                         |  2 --
>>>  165 files changed, 4 insertions(+), 356 deletions(-)
>>> 
>>> diff --git a/include/vlc_cxx_helpers.hpp b/include/vlc_cxx_helpers.hpp
>>> index 2f256016e5..67175407ac 100644
>>> --- a/include/vlc_cxx_helpers.hpp
>>> +++ b/include/vlc_cxx_helpers.hpp
>>> @@ -281,10 +281,6 @@ public:
>>>      {
>>>          vlc_mutex_init( &m_mutex );
>>>      }
>>> -    ~mutex()
>>> -    {
>>> -        vlc_mutex_destroy( &m_mutex );
>>> -    }
>>>  
>>>      mutex( const mutex& ) = delete;
>>>      mutex& operator=( const mutex& ) = delete;
>>> diff --git a/include/vlc_threads.h b/include/vlc_threads.h
>>> index 02060cc775..77d9c416f8 100644
>>> --- a/include/vlc_threads.h
>>> +++ b/include/vlc_threads.h
>>> @@ -344,13 +344,6 @@ VLC_API void vlc_mutex_init(vlc_mutex_t *);
>>>   */
>>>  VLC_API void vlc_mutex_init_recursive(vlc_mutex_t *);
>>>  
>>> -/**
>>> - * Deinitializes a mutex.
>>> - *
>>> - * The mutex must not be locked, otherwise behaviour is undefined.
>>> - */
>>> -VLC_API void vlc_mutex_destroy(vlc_mutex_t *);
>>> -
>>>  /**
>>>   * Acquires a mutex.
>>>   *
>>> diff --git a/lib/core.c b/lib/core.c
>>> index 52549a139d..56b985f597 100644
>>> --- a/lib/core.c
>>> +++ b/lib/core.c
>>> @@ -93,7 +93,6 @@ void libvlc_release( libvlc_instance_t *p_instance )
>>>  
>>>      if( refs == 0 )
>>>      {
>>> -        vlc_mutex_destroy( lock );
>>>          libvlc_Quit( p_instance->p_libvlc_int );
>>>          libvlc_InternalCleanup( p_instance->p_libvlc_int );
>>>          libvlc_InternalDestroy( p_instance->p_libvlc_int );
>>> diff --git a/lib/event.c b/lib/event.c
>>> index 28d3d0c232..96a17e1b19 100644
>>> --- a/lib/event.c
>>> +++ b/lib/event.c
>>> @@ -90,8 +90,6 @@ void libvlc_event_manager_init(libvlc_event_manager_t 
>>> *em, void *obj)
>>>  
>>>  void libvlc_event_manager_destroy(libvlc_event_manager_t *em)
>>>  {
>>> -    vlc_mutex_destroy(&em->lock);
>>> -
>>>      for (size_t i = 0; i < vlc_array_count(&em->listeners); i++)
>>>          free(vlc_array_item_at_index(&em->listeners, i));
>>>  
>>> diff --git a/lib/media.c b/lib/media.c
>>> index f045c729d2..b2277e58d0 100644
>>> --- a/lib/media.c
>>> +++ b/lib/media.c
>>> @@ -563,8 +563,6 @@ void libvlc_media_release( libvlc_media_t *p_md )
>>>      input_item_Release( p_md->p_input_item );
>>>  
>>>      vlc_cond_destroy( &p_md->parsed_cond );
>>> -    vlc_mutex_destroy( &p_md->parsed_lock );
>>> -    vlc_mutex_destroy( &p_md->subitems_lock );
>>>  
>>>      /* Construct the event */
>>>      libvlc_event_t event;
>>> diff --git a/lib/media_list.c b/lib/media_list.c
>>> index c4584c3a20..e8a8a25881 100644
>>> --- a/lib/media_list.c
>>> +++ b/lib/media_list.c
>>> @@ -202,8 +202,6 @@ void libvlc_media_list_release( libvlc_media_list_t 
>>> * p_mlist )
>>>          libvlc_media_release( p_md );
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_mlist->object_lock );
>>> -    vlc_mutex_destroy( &p_mlist->refcount_lock );
>>>      vlc_array_clear( &p_mlist->items );
>>>  
>>>      libvlc_release( p_mlist->p_libvlc_instance );
>>> diff --git a/lib/media_list_player.c b/lib/media_list_player.c
>>> index 6a96f5aee3..6e02a807d9 100644
>>> --- a/lib/media_list_player.c
>>> +++ b/lib/media_list_player.c
>>> @@ -498,8 +498,6 @@ libvlc_media_list_player_new(libvlc_instance_t * 
>>> p_instance)
>>>  error:
>>>      libvlc_event_manager_destroy(&p_mlp->event_manager);
>>>      vlc_cond_destroy(&p_mlp->seek_pending);
>>> -    vlc_mutex_destroy(&p_mlp->mp_callback_lock);
>>> -    vlc_mutex_destroy(&p_mlp->object_lock);
>>>      free(p_mlp);
>>>      return NULL;
>>>  }
>>> @@ -544,9 +542,6 @@ void 
>>> libvlc_media_list_player_release(libvlc_media_list_player_t * p_mlp)
>>>  
>>>      libvlc_event_manager_destroy(&p_mlp->event_manager);
>>>      vlc_cond_destroy(&p_mlp->seek_pending);
>>> -    vlc_mutex_destroy(&p_mlp->mp_callback_lock);
>>> -    vlc_mutex_destroy(&p_mlp->object_lock);
>>> -
>>>      free(p_mlp->current_playing_item_path);
>>>      free(p_mlp);
>>>  }
>>> diff --git a/modules/access/bluray.c b/modules/access/bluray.c
>>> index a299878282..90b811e159 100644
>>> --- a/modules/access/bluray.c
>>> +++ b/modules/access/bluray.c
>>> @@ -476,10 +476,8 @@ static void 
>>> unref_subpicture_updater(bluray_spu_updater_sys_t *p_sys)
>>>      p_sys->p_overlay = NULL;
>>>      vlc_mutex_unlock(&p_sys->lock);
>>>  
>>> -    if (refs < 1) {
>>> -        vlc_mutex_destroy(&p_sys->lock);
>>> +    if (refs < 1)
>>>          free(p_sys);
>>> -    }
>>>  }
>>>  
>>>  /* Get a 3 char code
>>> @@ -1131,10 +1129,6 @@ static void blurayClose(vlc_object_t *object)
>>>  
>>>      ARRAY_RESET(p_sys->events_delayed);
>>>  
>>> -    vlc_mutex_destroy(&p_sys->pl_info_lock);
>>> -    vlc_mutex_destroy(&p_sys->bdj.lock);
>>> -    vlc_mutex_destroy(&p_sys->read_block_lock);
>>> -
>>>      free(p_sys->psz_bd_path);
>>>  }
>>>  
>>> @@ -1576,7 +1570,6 @@ static void bluray_esOutDestroy(es_out_t *p_out)
>>>      for (size_t i = 0; i < vlc_array_count(&esout_priv->es); ++i)
>>>          es_pair_Delete(vlc_array_item_at_index(&esout_priv->es, i));
>>>      vlc_array_clear(&esout_priv->es);
>>> -    vlc_mutex_destroy(&esout_priv->lock);
>>>      free(esout_priv);
>>>  }
>>>  
>>> @@ -1804,7 +1797,6 @@ static void blurayCloseOverlay(demux_t *p_demux, 
>>> int plane)
>>>          /* no references to this overlay exist in vo anymore */
>>>          es_out_Control(p_sys->p_out, 
>>> BLURAY_ES_OUT_CONTROL_DELETE_OVERLAY, plane);
>>>  
>>> -        vlc_mutex_destroy(&ov->lock);
>>>          subpicture_region_ChainDelete(ov->p_regions);
>>>          free(ov);
>>>  
>>> diff --git a/modules/access/decklink.cpp b/modules/access/decklink.cpp
>>> index d2ba30e111..e24fd128c7 100644
>>> --- a/modules/access/decklink.cpp
>>> +++ b/modules/access/decklink.cpp
>>> @@ -782,7 +782,6 @@ static void Close(vlc_object_t *p_this)
>>>      if (sys->delegate)
>>>          sys->delegate->Release();
>>>  
>>> -    vlc_mutex_destroy(&sys->pts_lock);
>>>      free(sys);
>>>  }
>>>  
>>> diff --git a/modules/access/dshow/dshow.cpp 
>>> b/modules/access/dshow/dshow.cpp
>>> index f5a6604d6a..d977070d0c 100644
>>> --- a/modules/access/dshow/dshow.cpp
>>> +++ b/modules/access/dshow/dshow.cpp
>>> @@ -816,7 +816,6 @@ static void CommonClose( vlc_object_t *p_this, 
>>> access_sys_t *p_sys )
>>>  
>>>      vlc_delete_all( p_sys->pp_streams );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      vlc_cond_destroy( &p_sys->wait );
>>>  
>>>      vlc_mta_release( p_this );
>>> diff --git a/modules/access/dtv/bdagraph.cpp b/modules/access/dtv/bdagraph.cpp
>>> index 77d42ee56c..62a6133099 100644
>>> --- a/modules/access/dtv/bdagraph.cpp
>>> +++ b/modules/access/dtv/bdagraph.cpp
>>> @@ -321,7 +321,6 @@ BDAOutput::BDAOutput( vlc_object_t *p_access ) :
>>>  BDAOutput::~BDAOutput()
>>>  {
>>>      Empty();
>>> -    vlc_mutex_destroy( &lock );
>>>      vlc_cond_destroy( &wait );
>>>  }
>>>  
>>> diff --git a/modules/access/dv.c b/modules/access/dv.c
>>> index 14d538f3c1..8a8baa104d 100644
>>> --- a/modules/access/dv.c
>>> +++ b/modules/access/dv.c
>>> @@ -238,7 +238,6 @@ static void Close( vlc_object_t *p_this )
>>>              raw1394_iso_shutdown( p_sys->p_raw1394 );
>>>  
>>>          vlc_join( p_sys->p_ev->thread, NULL );
>>> -        vlc_mutex_destroy( &p_sys->p_ev->lock );
>>>  
>>>          /* Cleanup frame data */
>>>          if( p_sys->p_ev->p_frame )
>>> @@ -256,8 +255,6 @@ static void Close( vlc_object_t *p_this )
>>>          raw1394_destroy_handle( p_sys->p_raw1394 );
>>>  
>>>      AVCClose( p_access );
>>> -
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  }
>>>  
>>>  /*****************************************************************************
>>> diff --git a/modules/access/dvdnav.c b/modules/access/dvdnav.c
>>> index fb1b1aef63..3b18266ac8 100644
>>> --- a/modules/access/dvdnav.c
>>> +++ b/modules/access/dvdnav.c
>>> @@ -487,8 +487,6 @@ static void Close( vlc_object_t *p_this )
>>>      /* Stop still image handler */
>>>      if( p_sys->still.b_created )
>>>          vlc_timer_destroy( p_sys->still.timer );
>>> -    vlc_mutex_destroy( &p_sys->still.lock );
>>> -    vlc_mutex_destroy( &p_sys->event_lock );
>>>  
>>>      for( int i = 0; i < PS_TK_COUNT; i++ )
>>>      {
>>> diff --git a/modules/access/http/h2conn.c b/modules/access/http/h2conn.c
>>> index e2c9de6e86..20c7e5b0e4 100644
>>> --- a/modules/access/http/h2conn.c
>>> +++ b/modules/access/http/h2conn.c
>>> @@ -740,7 +740,6 @@ static void vlc_h2_conn_destroy(struct vlc_h2_conn *conn)
>>>  
>>>      vlc_cancel(conn->thread);
>>>      vlc_join(conn->thread, NULL);
>>> -    vlc_mutex_destroy(&conn->lock);
>>>  
>>>      vlc_h2_output_destroy(conn->out);
>>>      vlc_tls_Shutdown(conn->conn.tls, true);
>>> @@ -796,7 +795,6 @@ struct vlc_http_conn *vlc_h2_conn_create(void *ctx, 
>>> struct vlc_tls *tls)
>>>       || vlc_clone(&conn->thread, vlc_h2_recv_thread, conn,
>>>                    VLC_THREAD_PRIORITY_INPUT))
>>>      {
>>> -        vlc_mutex_destroy(&conn->lock);
>>>          vlc_h2_output_destroy(conn->out);
>>>          goto error;
>>>      }
>>> diff --git a/modules/access/http/h2output.c 
>>> b/modules/access/http/h2output.c
>>> index bfb41208ca..1d038ecc2d 100644
>>> --- a/modules/access/http/h2output.c
>>> +++ b/modules/access/http/h2output.c
>>> @@ -323,7 +323,6 @@ struct vlc_h2_output *vlc_h2_output_create(struct 
>>> vlc_tls *tls, bool client)
>>>      if (vlc_clone(&out->thread, cb, out, VLC_THREAD_PRIORITY_INPUT))
>>>      {
>>>          vlc_cond_destroy(&out->wait);
>>> -        vlc_mutex_destroy(&out->lock);
>>>          free(out);
>>>          out = NULL;
>>>      }
>>> @@ -341,7 +340,6 @@ void vlc_h2_output_destroy(struct vlc_h2_output 
>>> *out)
>>>      vlc_join(out->thread, NULL);
>>>  
>>>      vlc_cond_destroy(&out->wait);
>>> -    vlc_mutex_destroy(&out->lock);
>>>      /* Flush queues in case the thread was terminated within poll() and some
>>>       * packets were still queued. */
>>>      vlc_h2_output_flush_unlocked(out);
>>> diff --git a/modules/access/mms/mmstu.c b/modules/access/mms/mmstu.c
>>> index d96cf22289..4c0c5a62e6 100644
>>> --- a/modules/access/mms/mmstu.c
>>> +++ b/modules/access/mms/mmstu.c
>>> @@ -110,7 +110,6 @@ int  MMSTUOpen( stream_t *p_access )
>>>      {
>>>          msg_Err( p_access, "invalid server name" );
>>>          vlc_UrlClean( &p_sys->url );
>>> -        vlc_mutex_destroy( &p_sys->lock_netwrite );
>>>          free( p_sys );
>>>          return VLC_EGENERIC;
>>>      }
>>> @@ -147,7 +146,6 @@ int  MMSTUOpen( stream_t *p_access )
>>>      {
>>>          msg_Err( p_access, "cannot connect to server" );
>>>          vlc_UrlClean( &p_sys->url );
>>> -        vlc_mutex_destroy( &p_sys->lock_netwrite );
>>>          free( p_sys );
>>>          return VLC_EGENERIC;
>>>      }
>>> diff --git a/modules/access/rist.c b/modules/access/rist.c
>>> index 0c0d49eae7..be4b0b8058 100644
>>> --- a/modules/access/rist.c
>>> +++ b/modules/access/rist.c
>>> @@ -1035,8 +1035,6 @@ static void Clean( stream_t *p_access )
>>>          free(p_sys->flow->buffer);
>>>          free(p_sys->flow);
>>>      }
>>> -
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  }
>>>  
>>>  static void Close(vlc_object_t *p_this)
>>> diff --git a/modules/access/srt.c b/modules/access/srt.c
>>> index ac73fbcebf..ab52ba4fcc 100644
>>> --- a/modules/access/srt.c
>>> +++ b/modules/access/srt.c
>>> @@ -390,8 +390,6 @@ static int Open(vlc_object_t *p_this)
>>>      return VLC_SUCCESS;
>>>  
>>>  failed:
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      if ( p_sys->sock != -1 ) srt_close( p_sys->sock );
>>>      if ( p_sys->i_poll_id != -1 ) srt_epoll_release( p_sys->i_poll_id );
>>>  
>>> @@ -403,8 +401,6 @@ static void Close(vlc_object_t *p_this)
>>>      stream_t     *p_stream = (stream_t*)p_this;
>>>      stream_sys_t *p_sys = p_stream->p_sys;
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      srt_epoll_remove_usock( p_sys->i_poll_id, p_sys->sock );
>>>      srt_close( p_sys->sock );
>>>      srt_epoll_release( p_sys->i_poll_id );
>>> diff --git a/modules/access_output/rist.c b/modules/access_output/rist.c
>>> index 3f2f3901bd..ca967016eb 100644
>>> --- a/modules/access_output/rist.c
>>> +++ b/modules/access_output/rist.c
>>> @@ -714,8 +714,6 @@ static void Clean( sout_access_out_t *p_access )
>>>          free(p_sys->flow);
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -    vlc_mutex_destroy( &p_sys->fd_lock );
>>>      if (p_sys->p_pktbuffer)
>>>          block_Release(p_sys->p_pktbuffer);
>>>  }
>>> diff --git a/modules/access_output/srt.c b/modules/access_output/srt.c
>>> index da55a30478..0b66f24a8a 100644
>>> --- a/modules/access_output/srt.c
>>> +++ b/modules/access_output/srt.c
>>> @@ -402,8 +402,6 @@ static int Open( vlc_object_t *p_this )
>>>      return VLC_SUCCESS;
>>>  
>>>  failed:
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      if ( p_sys->sock != -1 ) srt_close( p_sys->sock );
>>>      if ( p_sys->i_poll_id != -1 ) srt_epoll_release( p_sys->i_poll_id );
>>>  
>>> @@ -415,8 +413,6 @@ static void Close( vlc_object_t * p_this )
>>>      sout_access_out_t     *p_access = (sout_access_out_t*)p_this;
>>>      sout_access_out_sys_t *p_sys = p_access->p_sys;
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      srt_epoll_remove_usock( p_sys->i_poll_id, p_sys->sock );
>>>      srt_close( p_sys->sock );
>>>      srt_epoll_release( p_sys->i_poll_id );
>>> diff --git a/modules/audio_filter/compressor.c 
>>> b/modules/audio_filter/compressor.c
>>> index 402cbb5ed1..5aab1ceaac 100644
>>> --- a/modules/audio_filter/compressor.c
>>> +++ b/modules/audio_filter/compressor.c
>>> @@ -282,9 +282,6 @@ static void Close( vlc_object_t *p_this )
>>>      var_DelCallback( p_aout, "compressor-knee", KneeCallback, p_sys );
>>>      var_DelCallback( p_aout, "compressor-makeup-gain", 
>>> MakeupGainCallback, p_sys );
>>>  
>>> -    /* Destroy the mutex */
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      /* Destroy the filter parameter structure */
>>>      free( p_sys );
>>>  }
>>> diff --git a/modules/audio_filter/equalizer.c b/modules/audio_filter/equalizer.c
>>> index c63547f569..92ccaf85b2 100644
>>> --- a/modules/audio_filter/equalizer.c
>>> +++ b/modules/audio_filter/equalizer.c
>>> @@ -157,7 +157,6 @@ static int Open( vlc_object_t *p_this )
>>>      vlc_mutex_init( &p_sys->lock );
>>>      if( EqzInit( p_filter, p_filter->fmt_in.audio.i_rate ) != VLC_SUCCESS )
>>>      {
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          free( p_sys );
>>>          return VLC_EGENERIC;
>>>      }
>>> @@ -179,7 +178,6 @@ static void Close( vlc_object_t *p_this )
>>>      filter_sys_t *p_sys = p_filter->p_sys;
>>>  
>>>      EqzClean( p_filter );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/audio_filter/spatializer/spatializer.cpp 
>>> b/modules/audio_filter/spatializer/spatializer.cpp
>>> index eccde1331e..4f9c19b133 100644
>>> --- a/modules/audio_filter/spatializer/spatializer.cpp
>>> +++ b/modules/audio_filter/spatializer/spatializer.cpp
>>> @@ -192,7 +192,6 @@ static void Close( vlc_object_t *p_this )
>>>      }
>>>  
>>>      delete p_sys->p_reverbm;
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>      msg_Dbg( p_this, "Closing filter spatializer" );
>>>  }
>>> diff --git a/modules/audio_output/amem.c b/modules/audio_output/amem.c
>>> index f8f7627ef3..176d2237c6 100644
>>> --- a/modules/audio_output/amem.c
>>> +++ b/modules/audio_output/amem.c
>>> @@ -394,6 +394,5 @@ static void Close (vlc_object_t *obj)
>>>      audio_output_t *aout = (audio_output_t *)obj;
>>>      aout_sys_t *sys = aout->sys;
>>>  
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      free (sys);
>>>  }
>>> diff --git a/modules/audio_output/audiotrack.c 
>>> b/modules/audio_output/audiotrack.c
>>> index 3fcd79c7a5..683e16a9d7 100644
>>> --- a/modules/audio_output/audiotrack.c
>>> +++ b/modules/audio_output/audiotrack.c
>>> @@ -2246,7 +2246,6 @@ Close( vlc_object_t *obj )
>>>      audio_output_t *p_aout = (audio_output_t *) obj;
>>>      aout_sys_t *p_sys = p_aout->sys;
>>>  
>>> -    vlc_mutex_destroy(&p_sys->lock);
>>>      vlc_cond_destroy(&p_sys->aout_cond);
>>>      vlc_cond_destroy(&p_sys->thread_cond);
>>>      free( p_sys );
>>> diff --git a/modules/audio_output/audiounit_ios.m 
>>> b/modules/audio_output/audiounit_ios.m
>>> index 072de41534..e0547b514f 100644
>>> --- a/modules/audio_output/audiounit_ios.m
>>> +++ b/modules/audio_output/audiounit_ios.m
>>> @@ -611,7 +611,6 @@ Close(vlc_object_t *obj)
>>>  
>>>      [sys->aoutWrapper release];
>>>  
>>> -    ca_Close(aout);
>>>      free(sys);
>>>  }
>>>  
>>> @@ -636,7 +635,6 @@ Open(vlc_object_t *obj)
>>>      sys->aoutWrapper = [[AoutWrapper alloc] initWithAout:aout];
>>>      if (sys->aoutWrapper == NULL)
>>>      {
>>> -        ca_Close(aout);
>>>          free(sys);
>>>          return VLC_ENOMEM;
>>>      }
>>> diff --git a/modules/audio_output/auhal.c b/modules/audio_output/auhal.c
>>> index 6c96d802fc..434de23c21 100644
>>> --- a/modules/audio_output/auhal.c
>>> +++ b/modules/audio_output/auhal.c
>>> @@ -878,7 +878,6 @@ out:
>>>      if (ret != VLC_SUCCESS)
>>>          retValue = false;
>>>  
>>> -    vlc_mutex_destroy(&w.lock);
>>>      vlc_cond_destroy(&w.cond);
>>>  
>>>      return retValue;
>>> @@ -1689,10 +1688,6 @@ static void Close(vlc_object_t *obj)
>>>      config_PutPsz("auhal-audio-device", psz_device);
>>>      free(psz_device);
>>>  
>>> -    vlc_mutex_destroy(&p_sys->selected_device_lock);
>>> -    vlc_mutex_destroy(&p_sys->device_list_lock);
>>> -
>>> -    ca_Close(p_aout);
>>>      free(p_sys);
>>>  }
>>>  
>>> diff --git a/modules/audio_output/coreaudio_common.c 
>>> b/modules/audio_output/coreaudio_common.c
>>> index f38490ea1d..900616a8aa 100644
>>> --- a/modules/audio_output/coreaudio_common.c
>>> +++ b/modules/audio_output/coreaudio_common.c
>>> @@ -82,13 +82,6 @@ lock_init(struct aout_sys_common *p_sys)
>>>          vlc_mutex_init(&p_sys->lock.mutex);
>>>  }
>>>  
>>> -static inline void
>>> -lock_destroy(struct aout_sys_common *p_sys)
>>> -{
>>> -    if (unlikely(!os_unfair_lock_lock))
>>> -        vlc_mutex_destroy(&p_sys->lock.mutex);
>>> -}
>>> -
>>>  static inline void
>>>  lock_lock(struct aout_sys_common *p_sys)
>>>  {
>>> @@ -129,14 +122,6 @@ ca_Open(audio_output_t *p_aout)
>>>      return VLC_SUCCESS;
>>>  }
>>>  
>>> -void
>>> -ca_Close(audio_output_t *p_aout)
>>> -{
>>> -    struct aout_sys_common *p_sys = (struct aout_sys_common *) 
>>> p_aout->sys;
>>> -
>>> -    lock_destroy(p_sys);
>>> -}
>>> -
>>>  /* Called from render callbacks. No lock, wait, and IO here */
>>>  void
>>>  ca_Render(audio_output_t *p_aout, uint32_t i_frames, uint64_t 
>>> i_host_time,
>>> diff --git a/modules/audio_output/coreaudio_common.h 
>>> b/modules/audio_output/coreaudio_common.h
>>> index d6949b403c..49f6779234 100644
>>> --- a/modules/audio_output/coreaudio_common.h
>>> +++ b/modules/audio_output/coreaudio_common.h
>>> @@ -47,8 +47,7 @@
>>>  
>>>  struct aout_sys_common
>>>  {
>>> -    /* The following is owned by common.c (initialized from ca_Open, cleaned
>>> -     * from ca_Close) */
>>> +    /* The following is owned by common.c (initialized from ca_Open) */
>>>  
>>>      mach_timebase_info_data_t tinfo;
>>>  
>>> @@ -87,8 +86,6 @@ struct aout_sys_common
>>>  
>>>  int ca_Open(audio_output_t *p_aout);
>>>  
>>> -void ca_Close(audio_output_t *p_aout);
>>> -
>>>  void ca_Render(audio_output_t *p_aout, uint32_t i_nb_samples, uint64_t 
>>> i_host_time,
>>>                 uint8_t *p_output, size_t i_requested);
>>>  
>>> diff --git a/modules/audio_output/directsound.c 
>>> b/modules/audio_output/directsound.c
>>> index f4d7efea6d..9f3ec0463d 100644
>>> --- a/modules/audio_output/directsound.c
>>> +++ b/modules/audio_output/directsound.c
>>> @@ -553,7 +553,6 @@ static HRESULT Stop( aout_stream_sys_t *p_sys )
>>>      vlc_cancel( p_sys->eraser_thread );
>>>      vlc_join( p_sys->eraser_thread, NULL );
>>>      vlc_cond_destroy( &p_sys->cond );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      if( p_sys->p_notify != NULL )
>>>      {
>>> @@ -661,7 +660,6 @@ static HRESULT Start( vlc_object_t *obj, 
>>> aout_stream_sys_t *sys,
>>>          }
>>>          else
>>>          {
>>> -            vlc_mutex_destroy(&sys->lock);
>>>              vlc_cond_destroy(&sys->cond);
>>>              return E_FAIL;
>>>          }
>>> @@ -808,7 +806,6 @@ static HRESULT Start( vlc_object_t *obj, 
>>> aout_stream_sys_t *sys,
>>>  
>>>  error:
>>>      vlc_cond_destroy(&sys->cond);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>  
>>>      if( sys->p_notify != NULL )
>>>      {
>>> diff --git a/modules/audio_output/kai.c b/modules/audio_output/kai.c
>>> index dd75e367d8..b565619795 100644
>>> --- a/modules/audio_output/kai.c
>>> +++ b/modules/audio_output/kai.c
>>> @@ -371,7 +371,6 @@ static void DestroyBuffer( audio_output_t *aout )
>>>      aout_sys_t     *sys = aout->sys;
>>>      audio_buffer_t *buffer = sys->buffer;
>>>  
>>> -    vlc_mutex_destroy( &buffer->mutex );
>>>      vlc_cond_destroy( &buffer->cond );
>>>  
>>>      free( buffer->data );
>>> diff --git a/modules/audio_output/opensles_android.c 
>>> b/modules/audio_output/opensles_android.c
>>> index b1c2a0d985..424baf2b04 100644
>>> --- a/modules/audio_output/opensles_android.c
>>> +++ b/modules/audio_output/opensles_android.c
>>> @@ -521,7 +521,6 @@ static void Close(vlc_object_t *obj)
>>>      Destroy(sys->outputMixObject);
>>>      Destroy(sys->engineObject);
>>>      dlclose(sys->p_so_handle);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      free(sys);
>>>  }
>>>  
>>> diff --git a/modules/audio_output/waveout.c b/modules/audio_output/waveout.c
>>> index 990b1e8b8d..e3c06bb008 100644
>>> --- a/modules/audio_output/waveout.c
>>> +++ b/modules/audio_output/waveout.c
>>> @@ -824,7 +824,6 @@ static void Close(vlc_object_t *obj)
>>>  
>>>      vlc_timer_destroy( sys->volume_poll_timer );
>>>      vlc_cond_destroy( &sys->cond );
>>> -    vlc_mutex_destroy( &sys->lock );
>>>  
>>>      free(sys);
>>>  }
>>> diff --git a/modules/codec/avcodec/video.c b/modules/codec/avcodec/video.c
>>> index 8e35104e8b..b2d5271755 100644
>>> --- a/modules/codec/avcodec/video.c
>>> +++ b/modules/codec/avcodec/video.c
>>> @@ -693,7 +693,6 @@ int InitVideoDec( vlc_object_t *obj )
>>>      /* ***** Open the codec ***** */
>>>      if( OpenVideoCodec( p_dec ) < 0 )
>>>      {
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          free( p_sys );
>>>          avcodec_free_context( &p_context );
>>>          return VLC_EGENERIC;
>>> @@ -1403,7 +1402,6 @@ void EndVideoDec( vlc_object_t *obj )
>>>      if( p_sys->p_va )
>>>          vlc_va_Delete( p_sys->p_va );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/codec/dmo/dmo.c b/modules/codec/dmo/dmo.c
>>> index f129ab9ef1..aef0710417 100644
>>> --- a/modules/codec/dmo/dmo.c
>>> +++ b/modules/codec/dmo/dmo.c
>>> @@ -275,7 +275,6 @@ found:
>>>  error:
>>>      vlc_cond_destroy( &p_sys->wait_input );
>>>      vlc_cond_destroy( &p_sys->wait_output );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>      return VLC_ENOMEM;
>>>  }
>>> @@ -296,7 +295,6 @@ static void DecoderClose( vlc_object_t *p_this )
>>>      vlc_join( p_sys->thread, NULL );
>>>      vlc_cond_destroy( &p_sys->wait_input );
>>>      vlc_cond_destroy( &p_sys->wait_output );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/codec/kate.c b/modules/codec/kate.c
>>> index 77b6b5b7c0..531b812978 100644
>>> --- a/modules/codec/kate.c
>>> +++ b/modules/codec/kate.c
>>> @@ -1308,7 +1308,6 @@ static void DecSysRelease( decoder_sys_t *p_sys )
>>>      }
>>>  
>>>      vlc_mutex_unlock( &p_sys->lock );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>  #ifdef HAVE_TIGER
>>>      if( p_sys->p_tr )
>>> diff --git a/modules/codec/libass.c b/modules/codec/libass.c
>>> index aff12c942a..dbaa5f5c4c 100644
>>> --- a/modules/codec/libass.c
>>> +++ b/modules/codec/libass.c
>>> @@ -303,7 +303,6 @@ static void DecSysRelease( decoder_sys_t *p_sys )
>>>          return;
>>>      }
>>>      vlc_mutex_unlock( &p_sys->lock );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      if( p_sys->p_track )
>>>          ass_free_track( p_sys->p_track );
>>> diff --git a/modules/codec/omxil/mediacodec.c b/modules/codec/omxil/mediacodec.c
>>> index be92640be6..ec2536dbe5 100644
>>> --- a/modules/codec/omxil/mediacodec.c
>>> +++ b/modules/codec/omxil/mediacodec.c
>>> @@ -1004,7 +1004,6 @@ static void AbortDecoderLocked(decoder_t *p_dec)
>>>  
>>>  static void CleanDecoder(decoder_sys_t *p_sys)
>>>  {
>>> -    vlc_mutex_destroy(&p_sys->lock);
>>>      vlc_cond_destroy(&p_sys->cond);
>>>      vlc_cond_destroy(&p_sys->dec_cond);
>>>  
>>> diff --git a/modules/codec/omxil/omxil_utils.h 
>>> b/modules/codec/omxil/omxil_utils.h
>>> index c08f280e7b..6617534dff 100644
>>> --- a/modules/codec/omxil/omxil_utils.h
>>> +++ b/modules/codec/omxil/omxil_utils.h
>>> @@ -88,8 +88,7 @@ static inline OMX_TICKS ToOmxTicks(int64_t value)
>>>           (p_fifo)->pp_last = &(p_fifo)->p_first; } while(0)
>>>  
>>>  #define OMX_FIFO_DESTROY(p_fifo) \
>>> -    do { vlc_mutex_destroy( &(p_fifo)->lock ); \
>>> -         vlc_cond_destroy (&(p_fifo)->wait); } while(0)
>>> +    do { vlc_cond_destroy (&(p_fifo)->wait); } while(0)
>>>  
>>>  #define OMX_FIFO_PEEK(p_fifo, p_buffer) \
>>>           p_buffer = (p_fifo)->p_first;
>>> diff --git a/modules/codec/omxil/utils.c b/modules/codec/omxil/utils.c
>>> index ee30252bda..ba3de5cfd1 100644
>>> --- a/modules/codec/omxil/utils.c
>>> +++ b/modules/codec/omxil/utils.c
>>> @@ -50,7 +50,6 @@ void InitOmxEventQueue(OmxEventQueue *queue)
>>>  
>>>  void DeinitOmxEventQueue(OmxEventQueue *queue)
>>>  {
>>> -    vlc_mutex_destroy(&queue->mutex);
>>>      vlc_cond_destroy(&queue->cond);
>>>  }
>>>  
>>> diff --git a/modules/codec/videotoolbox.c b/modules/codec/videotoolbox.c
>>> index edf39a88a2..5e1bc09a10 100644
>>> --- a/modules/codec/videotoolbox.c
>>> +++ b/modules/codec/videotoolbox.c
>>> @@ -1304,7 +1304,6 @@ static void pic_pacer_Destroy(void *priv)
>>>  {
>>>      struct pic_pacer *pic_pacer = priv;
>>>  
>>> -    vlc_mutex_destroy(&pic_pacer->lock);
>>>      vlc_cond_destroy(&pic_pacer->wait);
>>>  }
>>>  
>>> @@ -1495,8 +1494,6 @@ static void CloseDecoder(vlc_object_t *p_this)
>>>      if(p_sys->pf_codec_clean)
>>>          p_sys->pf_codec_clean(p_dec);
>>>  
>>> -    vlc_mutex_destroy(&p_sys->lock);
>>> -
>>>      vlc_video_context_Release(p_sys->vctx);
>>>  
>>>      free(p_sys);
>>> diff --git a/modules/codec/zvbi.c b/modules/codec/zvbi.c
>>> index 2670df952c..262bb92607 100644
>>> --- a/modules/codec/zvbi.c
>>> +++ b/modules/codec/zvbi.c
>>> @@ -288,8 +288,6 @@ static void Close( vlc_object_t *p_this )
>>>      var_DelCallback( p_dec, "vbi-opaque", Opaque, p_sys );
>>>      var_DelCallback( p_dec, "vbi-page", RequestPage, p_sys );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      if( p_sys->p_vbi_dec )
>>>          vbi_decoder_delete( p_sys->p_vbi_dec );
>>>      free( p_sys );
>>> diff --git a/modules/control/dbus/dbus.c b/modules/control/dbus/dbus.c
>>> index ed386bdbba..dfe3afb181 100644
>>> --- a/modules/control/dbus/dbus.c
>>> +++ b/modules/control/dbus/dbus.c
>>> @@ -346,8 +346,6 @@ playlist_listener_failure:
>>>      dbus_connection_unref( p_conn );
>>>  
>>>  dbus_connection_failure:
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      vlc_close( p_sys->p_pipe_fds[1] );
>>>      vlc_close( p_sys->p_pipe_fds[0] );
>>>  
>>> @@ -387,7 +385,6 @@ static void Close   ( vlc_object_t *p_this )
>>>          callback_info_t* info = vlc_array_item_at_index( &p_sys->events, i );
>>>          free( info );
>>>      }
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      vlc_array_clear( &p_sys->events );
>>>      vlc_array_clear( &p_sys->timeouts );
>>>      vlc_array_clear( &p_sys->watches );
>>> diff --git a/modules/control/gestures.c b/modules/control/gestures.c
>>> index 668be6936a..4497a44521 100644
>>> --- a/modules/control/gestures.c
>>> +++ b/modules/control/gestures.c
>>> @@ -161,7 +161,6 @@ static int Open ( vlc_object_t *p_this )
>>>  
>>>  error:
>>>      vlc_vector_clear(&p_sys->vout_vector);
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free(p_sys);
>>>      return VLC_EGENERIC;
>>>  }
>>> @@ -198,7 +197,6 @@ static void Close ( vlc_object_t *p_this )
>>>      vlc_vector_clear(&p_sys->vout_vector);
>>>  
>>>      /* Destroy structure */
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/control/globalhotkeys/win32.c 
>>> b/modules/control/globalhotkeys/win32.c
>>> index 2a0e3a2954..39c34f211e 100644
>>> --- a/modules/control/globalhotkeys/win32.c
>>> +++ b/modules/control/globalhotkeys/win32.c
>>> @@ -79,7 +79,6 @@ static int Open( vlc_object_t *p_this )
>>>  
>>>      if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
>>>      {
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          vlc_cond_destroy( &p_sys->wait );
>>>          free( p_sys );
>>>          p_intf->p_sys = NULL;
>>> @@ -94,7 +93,6 @@ static int Open( vlc_object_t *p_this )
>>>      {
>>>          vlc_mutex_unlock( &p_sys->lock );
>>>          vlc_join( p_sys->thread, NULL );
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          vlc_cond_destroy( &p_sys->wait );
>>>          free( p_sys );
>>>          p_intf->p_sys = NULL;
>>> @@ -121,7 +119,6 @@ static void Close( vlc_object_t *p_this )
>>>      vlc_mutex_unlock( &p_sys->lock );
>>>  
>>>      vlc_join( p_sys->thread, NULL );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      vlc_cond_destroy( &p_sys->wait );
>>>      free( p_sys );
>>>  }
>>> diff --git a/modules/control/rc.c b/modules/control/rc.c
>>> index cdfa70b08c..8f7161ecd6 100644
>>> --- a/modules/control/rc.c
>>> +++ b/modules/control/rc.c
>>> @@ -1891,7 +1891,6 @@ error:
>>>      }
>>>      net_ListenClose( pi_socket );
>>>      free( psz_unix_path );
>>> -    vlc_mutex_destroy( &p_sys->status_lock );
>>>      free( p_sys );
>>>      return VLC_EGENERIC;
>>>  }
>>> @@ -1923,7 +1922,6 @@ static void Deactivate( vlc_object_t *p_this )
>>>          free( p_sys->psz_unix_path );
>>>      }
>>>  #endif
>>> -    vlc_mutex_destroy( &p_sys->status_lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/demux/adaptive/PlaylistManager.cpp 
>>> b/modules/demux/adaptive/PlaylistManager.cpp
>>> index a8bce7aca1..c0d3c9a8e1 100644
>>> --- a/modules/demux/adaptive/PlaylistManager.cpp
>>> +++ b/modules/demux/adaptive/PlaylistManager.cpp
>>> @@ -90,10 +90,7 @@ PlaylistManager::~PlaylistManager   ()
>>>      delete logic;
>>>      delete resources;
>>>      vlc_cond_destroy(&waitcond);
>>> -    vlc_mutex_destroy(&lock);
>>> -    vlc_mutex_destroy(&demux.lock);
>>>      vlc_cond_destroy(&demux.cond);
>>> -    vlc_mutex_destroy(&cached.lock);
>>>  }
>>>  
>>>  void PlaylistManager::unsetPeriod()
>>> diff --git a/modules/demux/adaptive/Streams.cpp 
>>> b/modules/demux/adaptive/Streams.cpp
>>> index c4119da5d8..12c0a3183b 100644
>>> --- a/modules/demux/adaptive/Streams.cpp
>>> +++ b/modules/demux/adaptive/Streams.cpp
>>> @@ -119,8 +119,6 @@ AbstractStream::~AbstractStream()
>>>      delete demuxer;
>>>      delete demuxersource;
>>>      delete fakeesout;
>>> -
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  void AbstractStream::prepareRestart(bool b_discontinuity)
>>> diff --git a/modules/demux/adaptive/encryption/Keyring.cpp 
>>> b/modules/demux/adaptive/encryption/Keyring.cpp
>>> index bd34f3c7ed..95613b1a12 100644
>>> --- a/modules/demux/adaptive/encryption/Keyring.cpp
>>> +++ b/modules/demux/adaptive/encryption/Keyring.cpp
>>> @@ -39,7 +39,6 @@ Keyring::Keyring(vlc_object_t *obj_)
>>>  
>>>  Keyring::~Keyring()
>>>  {
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  KeyringKey Keyring::getKey(SharedResources *resources, const 
>>> std::string &uri)
>>> diff --git a/modules/demux/adaptive/http/Chunk.cpp 
>>> b/modules/demux/adaptive/http/Chunk.cpp
>>> index 3ec89fd4a1..384c640cf1 100644
>>> --- a/modules/demux/adaptive/http/Chunk.cpp
>>> +++ b/modules/demux/adaptive/http/Chunk.cpp
>>> @@ -157,7 +157,6 @@ HTTPChunkSource::~HTTPChunkSource()
>>>  {
>>>      if(connection)
>>>          connection->setUsed(false);
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  bool HTTPChunkSource::init(const std::string &url)
>>> diff --git a/modules/demux/adaptive/http/Downloader.cpp 
>>> b/modules/demux/adaptive/http/Downloader.cpp
>>> index 7d0ec6e741..f2f96c4e8c 100644
>>> --- a/modules/demux/adaptive/http/Downloader.cpp
>>> +++ b/modules/demux/adaptive/http/Downloader.cpp
>>> @@ -58,7 +58,6 @@ Downloader::~Downloader()
>>>  
>>>      if(thread_handle_valid)
>>>          vlc_join(thread_handle, NULL);
>>> -    vlc_mutex_destroy(&lock);
>>>      vlc_cond_destroy(&waitcond);
>>>  }
>>>  void Downloader::schedule(HTTPChunkBufferedSource *source)
>>> diff --git a/modules/demux/adaptive/http/HTTPConnectionManager.cpp 
>>> b/modules/demux/adaptive/http/HTTPConnectionManager.cpp
>>> index 96967afd76..d1c5e556ec 100644
>>> --- a/modules/demux/adaptive/http/HTTPConnectionManager.cpp
>>> +++ b/modules/demux/adaptive/http/HTTPConnectionManager.cpp
>>> @@ -74,7 +74,6 @@ HTTPConnectionManager::~HTTPConnectionManager   ()
>>>      delete downloader;
>>>      delete factory;
>>>      this->closeAllConnections();
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  void HTTPConnectionManager::closeAllConnections      ()
>>> diff --git 
>>> a/modules/demux/adaptive/logic/NearOptimalAdaptationLogic.cpp 
>>> b/modules/demux/adaptive/logic/NearOptimalAdaptationLogic.cpp
>>> index ff4f7a7821..9afdead977 100644
>>> --- a/modules/demux/adaptive/logic/NearOptimalAdaptationLogic.cpp
>>> +++ b/modules/demux/adaptive/logic/NearOptimalAdaptationLogic.cpp
>>> @@ -60,7 +60,6 @@ 
>>> NearOptimalAdaptationLogic::NearOptimalAdaptationLogic(vlc_object_t 
>>> *obj)
>>>  
>>>  NearOptimalAdaptationLogic::~NearOptimalAdaptationLogic()
>>>  {
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  BaseRepresentation *
>>> diff --git a/modules/demux/adaptive/logic/PredictiveAdaptationLogic.cpp 
>>> b/modules/demux/adaptive/logic/PredictiveAdaptationLogic.cpp
>>> index c81b40b59c..81f171f372 100644
>>> --- a/modules/demux/adaptive/logic/PredictiveAdaptationLogic.cpp
>>> +++ b/modules/demux/adaptive/logic/PredictiveAdaptationLogic.cpp
>>> @@ -63,7 +63,6 @@ 
>>> PredictiveAdaptationLogic::PredictiveAdaptationLogic(vlc_object_t *obj)
>>>  
>>>  PredictiveAdaptationLogic::~PredictiveAdaptationLogic()
>>>  {
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  BaseRepresentation 
>>> *PredictiveAdaptationLogic::getNextRepresentation(BaseAdaptationSet 
>>> *adaptSet, BaseRepresentation *prevRep)
>>> diff --git a/modules/demux/adaptive/logic/RateBasedAdaptationLogic.cpp 
>>> b/modules/demux/adaptive/logic/RateBasedAdaptationLogic.cpp
>>> index bb7b6e9f73..2885110f83 100644
>>> --- a/modules/demux/adaptive/logic/RateBasedAdaptationLogic.cpp
>>> +++ b/modules/demux/adaptive/logic/RateBasedAdaptationLogic.cpp
>>> @@ -49,7 +49,6 @@ RateBasedAdaptationLogic::RateBasedAdaptationLogic  
>>> (vlc_object_t *obj) :
>>>  
>>>  RateBasedAdaptationLogic::~RateBasedAdaptationLogic()
>>>  {
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  BaseRepresentation 
>>> *RateBasedAdaptationLogic::getNextRepresentation(BaseAdaptationSet 
>>> *adaptSet, BaseRepresentation *currep)
>>> diff --git a/modules/demux/adaptive/plumbing/FakeESOut.cpp 
>>> b/modules/demux/adaptive/plumbing/FakeESOut.cpp
>>> index 052191d3e0..fec642e385 100644
>>> --- a/modules/demux/adaptive/plumbing/FakeESOut.cpp
>>> +++ b/modules/demux/adaptive/plumbing/FakeESOut.cpp
>>> @@ -165,7 +165,6 @@ FakeESOut::~FakeESOut()
>>>      gc();
>>>  
>>>      delete commandsqueue;
>>> -    vlc_mutex_destroy(&lock);
>>>  }
>>>  
>>>  void FakeESOut::resetTimestamps()
>>> diff --git a/modules/demux/mkv/demux.cpp b/modules/demux/mkv/demux.cpp
>>> index 6fde3aa8c3..99f1cd67d1 100644
>>> --- a/modules/demux/mkv/demux.cpp
>>> +++ b/modules/demux/mkv/demux.cpp
>>> @@ -45,8 +45,6 @@ demux_sys_t::~demux_sys_t()
>>>  
>>>      while( titles.size() )
>>>      { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
>>> -
>>> -    vlc_mutex_destroy( &lock_demuxer );
>>>  }
>>>  
>>>  
>>> diff --git a/modules/demux/mkv/events.cpp b/modules/demux/mkv/events.cpp
>>> index 93cf963340..0a6d7003a4 100644
>>> --- a/modules/demux/mkv/events.cpp
>>> +++ b/modules/demux/mkv/events.cpp
>>> @@ -43,7 +43,6 @@ event_thread_t::~event_thread_t()
>>>  {
>>>      ResetPci();
>>>      vlc_cond_destroy( &wait );
>>> -    vlc_mutex_destroy( &lock );
>>>  }
>>>  
>>>  void event_thread_t::SetPci(const pci_t *data)
>>> diff --git a/modules/demux/mpeg/ts.c b/modules/demux/mpeg/ts.c
>>> index d17012744a..3bd6d0e001 100644
>>> --- a/modules/demux/mpeg/ts.c
>>> +++ b/modules/demux/mpeg/ts.c
>>> @@ -417,14 +417,12 @@ static int Open( vlc_object_t *p_this )
>>>      patpid = GetPID(p_sys, 0);
>>>      if ( !PIDSetup( p_demux, TYPE_PAT, patpid, NULL ) )
>>>      {
>>> -        vlc_mutex_destroy( &p_sys->csa_lock );
>>>          free( p_sys );
>>>          return VLC_ENOMEM;
>>>      }
>>>      if( !ts_psi_PAT_Attach( patpid, p_demux ) )
>>>      {
>>>          PIDRelease( p_demux, patpid );
>>> -        vlc_mutex_destroy( &p_sys->csa_lock );
>>>          free( p_sys );
>>>          return VLC_EGENERIC;
>>>      }
>>> @@ -586,8 +584,6 @@ static void Close( vlc_object_t *p_this )
>>>          vlc_stream_Delete( p_sys->arib.b25stream );
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_sys->csa_lock );
>>> -
>>>      /* Release all non default pids */
>>>      ts_pid_list_Release( p_demux, &p_sys->pids );
>>>  
>>> diff --git a/modules/gui/ncurses.c b/modules/gui/ncurses.c
>>> index 8e3156050b..e91ac5927c 100644
>>> --- a/modules/gui/ncurses.c
>>> +++ b/modules/gui/ncurses.c
>>> @@ -1760,7 +1760,6 @@ static void Close(vlc_object_t *p_this)
>>>      endwin();   /* Close the ncurses interface */
>>>  
>>>      vlc_LogSet(vlc_object_instance(p_this), NULL, NULL);
>>> -    vlc_mutex_destroy(&sys->msg_lock);
>>>      for(unsigned i = 0; i < sizeof sys->msgs / sizeof *sys->msgs; i++) 
>>> {
>>>          if (sys->msgs[i].item)
>>>              msg_Free(sys->msgs[i].item);
>>> diff --git a/modules/gui/qt/medialibrary/mlbasemodel.cpp 
>>> b/modules/gui/qt/medialibrary/mlbasemodel.cpp
>>> index faec9d28a7..3ba327f171 100644
>>> --- a/modules/gui/qt/medialibrary/mlbasemodel.cpp
>>> +++ b/modules/gui/qt/medialibrary/mlbasemodel.cpp
>>> @@ -44,7 +44,6 @@ MLBaseModel::MLBaseModel(QObject *parent)
>>>  
>>>  MLBaseModel::~MLBaseModel()
>>>  {
>>> -    vlc_mutex_destroy( &m_item_lock );
>>>  }
>>>  
>>>  void MLBaseModel::sortByColumn(QByteArray name, Qt::SortOrder order)
>>> diff --git a/modules/gui/skins2/commands/async_queue.cpp 
>>> b/modules/gui/skins2/commands/async_queue.cpp
>>> index bf601b9bad..fab0741c65 100644
>>> --- a/modules/gui/skins2/commands/async_queue.cpp
>>> +++ b/modules/gui/skins2/commands/async_queue.cpp
>>> @@ -45,7 +45,6 @@ AsyncQueue::AsyncQueue( intf_thread_t *pIntf ): 
>>> SkinObject( pIntf ),
>>>  AsyncQueue::~AsyncQueue()
>>>  {
>>>      delete( m_pTimer );
>>> -    vlc_mutex_destroy( &m_lock );
>>>  }
>>>  
>>>  
>>> diff --git a/modules/gui/skins2/commands/cmd_callbacks.hpp 
>>> b/modules/gui/skins2/commands/cmd_callbacks.hpp
>>> index f9c8d96638..79fb556aa3 100644
>>> --- a/modules/gui/skins2/commands/cmd_callbacks.hpp
>>> +++ b/modules/gui/skins2/commands/cmd_callbacks.hpp
>>> @@ -71,7 +71,6 @@ public:
>>>      virtual ~CmdExecuteBlock()
>>>      {
>>>          vlc_cond_destroy( &m_wait );
>>> -        vlc_mutex_destroy( &m_lock );
>>>      }
>>>  
>>>      static void executeWait( const CmdGenericPtr& rcCommand  )
>>> diff --git a/modules/hw/d3d11/d3d11_surface.c b/modules/hw/d3d11/d3d11_surface.c
>>> index 9762ad3fac..6534d309df 100644
>>> --- a/modules/hw/d3d11/d3d11_surface.c
>>> +++ b/modules/hw/d3d11/d3d11_surface.c
>>> @@ -830,7 +830,6 @@ void D3D11CloseConverter( vlc_object_t *obj )
>>>      D3D11_ReleaseProcessor( &p_sys->d3d_proc );
>>>  #endif
>>>      CopyCleanCache(&p_sys->cache);
>>> -    vlc_mutex_destroy(&p_sys->staging_lock);
>>>      if (p_sys->staging)
>>>          ID3D11Texture2D_Release(p_sys->staging);
>>>  }
>>> diff --git a/modules/hw/mmal/codec.c b/modules/hw/mmal/codec.c
>>> index e334853b2f..a10ac5637a 100644
>>> --- a/modules/hw/mmal/codec.c
>>> +++ b/modules/hw/mmal/codec.c
>>> @@ -586,8 +586,6 @@ static void CloseDecoder(vlc_object_t *p_this)
>>>  
>>>      hw_mmal_port_pool_ref_release(sys->ppr, false);
>>>  
>>> -    vlc_mutex_destroy(&sys->pic_lock);
>>> -
>>>      if (sys->vctx)
>>>          vlc_video_context_Release(sys->vctx);
>>>  
>>> diff --git a/modules/hw/mmal/converter.c b/modules/hw/mmal/converter.c
>>> index 1d161c7847..f49f1f0202 100644
>>> --- a/modules/hw/mmal/converter.c
>>> +++ b/modules/hw/mmal/converter.c
>>> @@ -782,8 +782,6 @@ void CloseConverter(vlc_object_t * obj)
>>>      if (sys->dec_dev)
>>>          vlc_decoder_device_Release(sys->dec_dev);
>>>  
>>> -    vlc_mutex_destroy(&sys->lock);
>>> -
>>>      p_filter->p_sys = NULL;
>>>      free(sys);
>>>  }
>>> diff --git a/modules/hw/mmal/mmal_cma.c b/modules/hw/mmal/mmal_cma.c
>>> index 600dc0136c..70567db4f4 100644
>>> --- a/modules/hw/mmal/mmal_cma.c
>>> +++ b/modules/hw/mmal/mmal_cma.c
>>> @@ -98,7 +98,6 @@ static void cma_pool_fixed_delete(cma_pool_fixed_t * const p)
>>>      free(p->name);
>>>  
>>>      vlc_cond_destroy(&p->flight_cond);
>>> -    vlc_mutex_destroy(&p->lock);
>>>      free(p);
>>>  
>>>      // Inform our container that we are dead (if it cares)
>>> diff --git a/modules/hw/mmal/mmal_picture.c 
>>> b/modules/hw/mmal/mmal_picture.c
>>> index 6f6a0727f1..915ee063c8 100644
>>> --- a/modules/hw/mmal/mmal_picture.c
>>> +++ b/modules/hw/mmal/mmal_picture.c
>>> @@ -1201,8 +1201,6 @@ static void 
>>> hw_mmal_vzc_pool_delete(vzc_pool_ctl_t * const pc)
>>>      if (pc->buf_pool != NULL)
>>>          mmal_pool_destroy(pc->buf_pool);
>>>  
>>> -    vlc_mutex_destroy(&pc->lock);
>>> -
>>>  //    memset(pc, 0xba, sizeof(*pc)); // Zap for (hopefully) faster crash
>>>      free (pc);
>>>  }
>>> diff --git a/modules/hw/mmal/vout.c b/modules/hw/mmal/vout.c
>>> index 9204626b55..ee48a6a552 100644
>>> --- a/modules/hw/mmal/vout.c
>>> +++ b/modules/hw/mmal/vout.c
>>> @@ -1071,8 +1071,6 @@ static void CloseMmalVout(vout_display_t * vd)
>>>  
>>>      hw_mmal_vzc_pool_release(sys->vzc);
>>>  
>>> -    vlc_mutex_destroy(&sys->manage_mutex);
>>> -
>>>      if (sys->native_interlaced) {
>>>          if (vc_gencmd(response, sizeof(response), "hvs_update_fields 0") < 0 ||
>>>                  response[18] != '0')
>>> diff --git a/modules/keystore/memory.c b/modules/keystore/memory.c
>>> index 527433db9a..7981bc7ffc 100644
>>> --- a/modules/keystore/memory.c
>>> +++ b/modules/keystore/memory.c
>>> @@ -147,7 +147,6 @@ Close(vlc_object_t *p_this)
>>>      vlc_keystore_sys *p_sys = p_keystore->p_sys;
>>>  
>>>      ks_list_free(&p_sys->list);
>>> -    vlc_mutex_destroy(&p_keystore->p_sys->lock);
>>>      free(p_sys);
>>>  }
>>>  
>>> diff --git a/modules/lua/extension.c b/modules/lua/extension.c
>>> index 5ff93d142d..b4ea69ddb9 100644
>>> --- a/modules/lua/extension.c
>>> +++ b/modules/lua/extension.c
>>> @@ -176,8 +176,6 @@ void Close_Extension( vlc_object_t *p_this )
>>>          free( p_ext->psz_version );
>>>          free( p_ext->p_icondata );
>>>  
>>> -        vlc_mutex_destroy( &p_ext->p_sys->running_lock );
>>> -        vlc_mutex_destroy( &p_ext->p_sys->command_lock );
>>>          vlc_cond_destroy( &p_ext->p_sys->wait );
>>>          vlc_timer_destroy( p_ext->p_sys->timer );
>>>  
>>> @@ -185,8 +183,6 @@ void Close_Extension( vlc_object_t *p_this )
>>>          free( p_ext );
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_mgr->lock );
>>> -
>>>      ARRAY_RESET( p_mgr->extensions );
>>>  }
>>>  
>>> @@ -488,8 +484,6 @@ exit:
>>>          free( p_ext->psz_description );
>>>          free( p_ext->psz_shortdescription );
>>>          free( p_ext->psz_version );
>>> -        vlc_mutex_destroy( &p_ext->p_sys->command_lock );
>>> -        vlc_mutex_destroy( &p_ext->p_sys->running_lock );
>>>          vlc_cond_destroy( &p_ext->p_sys->wait );
>>>          free( p_ext->p_sys );
>>>          free( p_ext );
>>> diff --git a/modules/lua/libs/dialog.c b/modules/lua/libs/dialog.c
>>> index 927a0a4d9e..8af0409786 100644
>>> --- a/modules/lua/libs/dialog.c
>>> +++ b/modules/lua/libs/dialog.c
>>> @@ -287,7 +287,6 @@ static int vlclua_dialog_delete( lua_State *L )
>>>      ARRAY_RESET( p_dlg->widgets );
>>>  
>>>      /* Note: At this point, the UI must not use these resources */
>>> -    vlc_mutex_destroy( &p_dlg->lock );
>>>      vlc_cond_destroy( &p_dlg->cond );
>>>      free( p_dlg );
>>>  
>>> diff --git a/modules/lua/services_discovery.c b/modules/lua/services_discovery.c
>>> index 2bbffe203e..8b5aebdade 100644
>>> --- a/modules/lua/services_discovery.c
>>> +++ b/modules/lua/services_discovery.c
>>> @@ -240,7 +240,6 @@ int Open_LuaSD( vlc_object_t *p_this )
>>>      {
>>>          TAB_CLEAN( p_sys->i_query, p_sys->ppsz_query );
>>>          vlc_cond_destroy( &p_sys->cond );
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          goto error;
>>>      }
>>>      return VLC_SUCCESS;
>>> @@ -269,7 +268,6 @@ void Close_LuaSD( vlc_object_t *p_this )
>>>      TAB_CLEAN( p_sys->i_query, p_sys->ppsz_query );
>>>  
>>>      vlc_cond_destroy( &p_sys->cond );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys->psz_filename );
>>>      lua_close( p_sys->L );
>>>      free( p_sys );
>>> diff --git a/modules/misc/audioscrobbler.c b/modules/misc/audioscrobbler.c
>>> index f6d38879f6..ce3ca4161f 100644
>>> --- a/modules/misc/audioscrobbler.c
>>> +++ b/modules/misc/audioscrobbler.c
>>> @@ -422,7 +422,6 @@ fail:
>>>          if (p_sys->player_listener)
>>>          {
>>>              vlc_cond_destroy(&p_sys->wait);
>>> -            vlc_mutex_destroy(&p_sys->lock);
>>>              vlc_player_RemoveListener(player, p_sys->player_listener);
>>>          }
>>>          vlc_playlist_RemoveListener(playlist, p_sys->playlist_listener);
>>> @@ -452,7 +451,6 @@ static void Close(vlc_object_t *p_this)
>>>      vlc_UrlClean(&p_sys->p_nowp_url);
>>>  
>>>      vlc_cond_destroy(&p_sys->wait);
>>> -    vlc_mutex_destroy(&p_sys->lock);
>>>  
>>>      vlc_playlist_Lock(playlist);
>>>      vlc_player_RemoveListener(
>>> diff --git a/modules/misc/fingerprinter.c b/modules/misc/fingerprinter.c
>>> index 0481afb9ce..ebf28147ee 100644
>>> --- a/modules/misc/fingerprinter.c
>>> +++ b/modules/misc/fingerprinter.c
>>> @@ -298,7 +298,6 @@ static void CleanSys( fingerprinter_sys_t *p_sys )
>>>      for ( size_t i = 0; i < vlc_array_count( &p_sys->incoming.queue ); 
>>> i++ )
>>>          fingerprint_request_Delete( vlc_array_item_at_index( 
>>> &p_sys->incoming.queue, i ) );
>>>      vlc_array_clear( &p_sys->incoming.queue );
>>> -    vlc_mutex_destroy( &p_sys->incoming.lock );
>>>  
>>>      for ( size_t i = 0; i < vlc_array_count( &p_sys->processing.queue 
>>> ); i++ )
>>>          fingerprint_request_Delete( vlc_array_item_at_index( 
>>> &p_sys->processing.queue, i ) );
>>> @@ -308,7 +307,6 @@ static void CleanSys( fingerprinter_sys_t *p_sys )
>>>      for ( size_t i = 0; i < vlc_array_count( &p_sys->results.queue ); 
>>> i++ )
>>>          fingerprint_request_Delete( vlc_array_item_at_index( 
>>> &p_sys->results.queue, i ) );
>>>      vlc_array_clear( &p_sys->results.queue );
>>> -    vlc_mutex_destroy( &p_sys->results.lock );
>>>  
>>>      vlc_player_Lock(p_sys->player);
>>>      vlc_player_RemoveListener(p_sys->player, p_sys->listener_id);
>>> diff --git a/modules/misc/rtsp.c b/modules/misc/rtsp.c
>>> index d90f754357..9b4a900b50 100644
>>> --- a/modules/misc/rtsp.c
>>> +++ b/modules/misc/rtsp.c
>>> @@ -462,8 +462,6 @@ static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
>>>          MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
>>>      TAB_CLEAN( p_media->i_es, p_media->es );
>>>  
>>> -    vlc_mutex_destroy( &p_media->lock );
>>> -
>>>      free( p_media );
>>>  }
>>>  
>>> diff --git a/modules/misc/securetransport.c 
>>> b/modules/misc/securetransport.c
>>> index fe24951691..3b14f0399a 100644
>>> --- a/modules/misc/securetransport.c
>>> +++ b/modules/misc/securetransport.c
>>> @@ -619,8 +619,6 @@ static int st_SessionShutdown (vlc_tls_t *session, 
>>> bool duplex) {
>>>  
>>>      msg_Dbg(sys->obj, "shutdown TLS session");
>>>  
>>> -    vlc_mutex_destroy(&sys->lock);
>>> -
>>>      OSStatus ret = noErr;
>>>      VLC_UNUSED(duplex);
>>>  
>>> diff --git a/modules/mux/mpeg/ts.c b/modules/mux/mpeg/ts.c
>>> index dc94d12038..042074263c 100644
>>> --- a/modules/mux/mpeg/ts.c
>>> +++ b/modules/mux/mpeg/ts.c
>>> @@ -769,7 +769,6 @@ static void Close( vlc_object_t * p_this )
>>>          var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", 
>>> ChangeKeyCallback, NULL );
>>>          var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", 
>>> ActiveKeyCallback, NULL );
>>>          csa_Delete( p_sys->csa );
>>> -        vlc_mutex_destroy( &p_sys->csa_lock );
>>>      }
>>>  
>>>      for (int i = 0; i < MAX_SDT_DESC; i++ )
>>> diff --git a/modules/notify/notify.c b/modules/notify/notify.c
>>> index 4f6a7e9b85..64017cc8f8 100644
>>> --- a/modules/notify/notify.c
>>> +++ b/modules/notify/notify.c
>>> @@ -170,7 +170,6 @@ static void Close( vlc_object_t *p_this )
>>>          g_object_unref( p_sys->notification );
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>      notify_uninit();
>>>  }
>>> diff --git a/modules/services_discovery/podcast.c 
>>> b/modules/services_discovery/podcast.c
>>> index a29996d59b..e89a757907 100644
>>> --- a/modules/services_discovery/podcast.c
>>> +++ b/modules/services_discovery/podcast.c
>>> @@ -151,7 +151,6 @@ static int Open( vlc_object_t *p_this )
>>>          var_DelCallback( pl, "podcast-request", Request, p_sys );
>>>          var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys );
>>>          vlc_cond_destroy( &p_sys->wait );
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          free (p_sys);
>>>          return VLC_EGENERIC;
>>>      }
>>> @@ -173,7 +172,6 @@ static void Close( vlc_object_t *p_this )
>>>      var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys );
>>>      var_DelCallback( pl, "podcast-request", Request, p_sys );
>>>      vlc_cond_destroy( &p_sys->wait );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      for( int i = 0; i < p_sys->i_urls; i++ )
>>>           free( p_sys->ppsz_urls[i] );
>>> diff --git a/modules/spu/audiobargraph_v.c b/modules/spu/audiobargraph_v.c
>>> index 06d84d5f8d..de3f9627a6 100644
>>> --- a/modules/spu/audiobargraph_v.c
>>> +++ b/modules/spu/audiobargraph_v.c
>>> @@ -602,8 +602,6 @@ static void Close(vlc_object_t *p_this)
>>>      if (p_sys->p_blend)
>>>          filter_DeleteBlend(p_sys->p_blend);
>>>  
>>> -    vlc_mutex_destroy(&p_sys->lock);
>>> -
>>>      if (p_sys->p_BarGraph.p_pic)
>>>          picture_Release(p_sys->p_BarGraph.p_pic);
>>>  
>>> diff --git a/modules/spu/dynamicoverlay/dynamicoverlay.c 
>>> b/modules/spu/dynamicoverlay/dynamicoverlay.c
>>> index 0eae0f00ee..b038a2d66a 100644
>>> --- a/modules/spu/dynamicoverlay/dynamicoverlay.c
>>> +++ b/modules/spu/dynamicoverlay/dynamicoverlay.c
>>> @@ -148,7 +148,6 @@ static void Destroy( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, "overlay-input", AdjustCallback, p_sys 
>>> );
>>>      var_DelCallback( p_filter, "overlay-output", AdjustCallback, p_sys 
>>> );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys->psz_inputfile );
>>>      free( p_sys->psz_outputfile );
>>>      free( p_sys );
>>> diff --git a/modules/spu/logo.c b/modules/spu/logo.c
>>> index f72c841035..fa1ee0307c 100644
>>> --- a/modules/spu/logo.c
>>> +++ b/modules/spu/logo.c
>>> @@ -321,7 +321,6 @@ static void Close( vlc_object_t *p_this )
>>>      if( p_sys->p_blend )
>>>          filter_DeleteBlend( p_sys->p_blend );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      LogoListUnload( &p_sys->list );
>>>      free( p_sys );
>>>  }
>>> diff --git a/modules/spu/marq.c b/modules/spu/marq.c
>>> index 44060a1993..c370c5322d 100644
>>> --- a/modules/spu/marq.c
>>> +++ b/modules/spu/marq.c
>>> @@ -255,7 +255,6 @@ static void DestroyFilter( vlc_object_t *p_this )
>>>      DEL_VAR( "marq-color" );
>>>      DEL_VAR( "marq-size" );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      text_style_Delete( p_sys->p_style );
>>>      free( p_sys->format );
>>>      free( p_sys->filepath );
>>> diff --git a/modules/spu/mosaic.c b/modules/spu/mosaic.c
>>> index e4a876f842..b06ca3fd6f 100644
>>> --- a/modules/spu/mosaic.c
>>> +++ b/modules/spu/mosaic.c
>>> @@ -421,7 +421,6 @@ static void DestroyFilter( vlc_object_t *p_this )
>>>          p_sys->i_offsets_length = 0;
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/spu/rss.c b/modules/spu/rss.c
>>> index 2569da02d1..67d3cab920 100644
>>> --- a/modules/spu/rss.c
>>> +++ b/modules/spu/rss.c
>>> @@ -308,10 +308,7 @@ static int CreateFilter( vlc_object_t *p_this )
>>>  
>>>      /* Create and arm the timer */
>>>      if( vlc_timer_create( &p_sys->timer, Fetch, p_filter ) )
>>> -    {
>>> -        vlc_mutex_destroy( &p_sys->lock );
>>>          goto error;
>>> -    }
>>>      vlc_timer_schedule_asap( p_sys->timer, vlc_tick_from_sec(i_ttl) );
>>>  
>>>      free( psz_urls );
>>> @@ -334,7 +331,6 @@ static void DestroyFilter( vlc_object_t *p_this )
>>>      filter_sys_t *p_sys = p_filter->p_sys;
>>>  
>>>      vlc_timer_destroy( p_sys->timer );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      text_style_Delete( p_sys->p_style );
>>>      free( p_sys->psz_marquee );
>>> diff --git a/modules/spu/subsdelay.c b/modules/spu/subsdelay.c
>>> index 8b961e7de2..70b2e9a332 100644
>>> --- a/modules/spu/subsdelay.c
>>> +++ b/modules/spu/subsdelay.c
>>> @@ -518,8 +518,6 @@ static void SubsdelayHeapDestroy( subsdelay_heap_t *p_heap )
>>>      }
>>>  
>>>      SubsdelayHeapUnlock( p_heap );
>>> -
>>> -    vlc_mutex_destroy( &p_heap->lock );
>>>  }
>>>  
>>>  /*****************************************************************************
>>> diff --git a/modules/stream_filter/decomp.c b/modules/stream_filter/decomp.c
>>> index f5fdd94636..9b76980147 100644
>>> --- a/modules/stream_filter/decomp.c
>>> +++ b/modules/stream_filter/decomp.c
>>> @@ -328,7 +328,6 @@ static int Open (stream_t *stream, const char *path)
>>>      {
>>>          if (p_sys->pid != -1)
>>>              while (waitpid (p_sys->pid, &(int){ 0 }, 0) == -1);
>>> -        vlc_mutex_destroy (&p_sys->lock);
>>>          vlc_cond_destroy (&p_sys->wait);
>>>          free (p_sys);
>>>          return ret;
>>> @@ -361,7 +360,6 @@ static void Close (vlc_object_t *obj)
>>>      while (waitpid (p_sys->pid, &status, 0) == -1);
>>>      msg_Dbg (obj, "exit status %d", status);
>>>  
>>> -    vlc_mutex_destroy (&p_sys->lock);
>>>      vlc_cond_destroy (&p_sys->wait);
>>>      free (p_sys);
>>>  }
>>> diff --git a/modules/stream_filter/hds/hds.c b/modules/stream_filter/hds/hds.c
>>> index 1b2290ee03..88d1e76522 100644
>>> --- a/modules/stream_filter/hds/hds.c
>>> +++ b/modules/stream_filter/hds/hds.c
>>> @@ -1222,9 +1222,7 @@ static void cleanup_Manifest( manifest_t *m )
>>>  
>>>  static void cleanup_threading( hds_stream_t *stream )
>>>  {
>>> -    vlc_mutex_destroy( &stream->dl_lock );
>>>      vlc_cond_destroy( &stream->dl_cond );
>>> -    vlc_mutex_destroy( &stream->abst_lock );
>>>  }
>>>  
>>>  static void write_int_24( uint8_t *p, uint32_t val )
>>> diff --git a/modules/stream_filter/prefetch.c b/modules/stream_filter/prefetch.c
>>> index 2f610c65bd..01b7e2c681 100644
>>> --- a/modules/stream_filter/prefetch.c
>>> +++ b/modules/stream_filter/prefetch.c
>>> @@ -496,7 +496,6 @@ static int Open(vlc_object_t *obj)
>>>      {
>>>          vlc_cond_destroy(&sys->wait_space);
>>>          vlc_cond_destroy(&sys->wait_data);
>>> -        vlc_mutex_destroy(&sys->lock);
>>>          vlc_interrupt_destroy(sys->interrupt);
>>>          goto error;
>>>      }
>>> @@ -529,7 +528,6 @@ static void Close (vlc_object_t *obj)
>>>      vlc_interrupt_destroy(sys->interrupt);
>>>      vlc_cond_destroy(&sys->wait_space);
>>>      vlc_cond_destroy(&sys->wait_data);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>  
>>>      while(sys->controls)
>>>      {
>>> diff --git a/modules/stream_out/chromecast/cast.cpp 
>>> b/modules/stream_out/chromecast/cast.cpp
>>> index 9f909a9de1..97b6368295 100644
>>> --- a/modules/stream_out/chromecast/cast.cpp
>>> +++ b/modules/stream_out/chromecast/cast.cpp
>>> @@ -113,7 +113,6 @@ struct sout_stream_sys_t
>>>  
>>>      ~sout_stream_sys_t()
>>>      {
>>> -        vlc_mutex_destroy(&lock);
>>>      }
>>>  
>>>      bool canDecodeVideo( vlc_fourcc_t i_codec ) const;
>>> diff --git a/modules/stream_out/rtp.c b/modules/stream_out/rtp.c
>>> index 3c2363305a..b0d640436f 100644
>>> --- a/modules/stream_out/rtp.c
>>> +++ b/modules/stream_out/rtp.c
>>> @@ -553,9 +553,6 @@ static int Open( vlc_object_t *p_this )
>>>          {
>>>              msg_Err( p_stream, "unsupported muxer type for RTP (only TS/PS)" );
>>>              free( psz );
>>> -            vlc_mutex_destroy( &p_sys->lock_sdp );
>>> -            vlc_mutex_destroy( &p_sys->lock_ts );
>>> -            vlc_mutex_destroy( &p_sys->lock_es );
>>>              free( p_sys->psz_vod_session );
>>>              free( p_sys->psz_destination );
>>>              free( p_sys );
>>> @@ -570,9 +567,6 @@ static int Open( vlc_object_t *p_this )
>>>          {
>>>              msg_Err( p_stream, "cannot create muxer" );
>>>              sout_AccessOutDelete( p_sys->p_grab );
>>> -            vlc_mutex_destroy( &p_sys->lock_sdp );
>>> -            vlc_mutex_destroy( &p_sys->lock_ts );
>>> -            vlc_mutex_destroy( &p_sys->lock_es );
>>>              free( p_sys->psz_vod_session );
>>>              free( p_sys->psz_destination );
>>>              free( p_sys );
>>> @@ -662,10 +656,6 @@ static void Close( vlc_object_t * p_this )
>>>      if( p_sys->rtsp != NULL )
>>>          RtspUnsetup( p_sys->rtsp );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock_sdp );
>>> -    vlc_mutex_destroy( &p_sys->lock_ts );
>>> -    vlc_mutex_destroy( &p_sys->lock_es );
>>> -
>>>      if( p_sys->p_httpd_file )
>>>          httpd_FileDelete( p_sys->p_httpd_file );
>>>  
>>> @@ -1251,8 +1241,6 @@ static void Del( sout_stream_t *p_stream, void *_id )
>>>          srtp_destroy( id->srtp );
>>>  #endif
>>>  
>>> -    vlc_mutex_destroy( &id->lock_sink );
>>> -
>>>      /* Update SDP (sap/file) */
>>>      if( p_sys->b_export_sap ) SapSetup( p_stream );
>>>      if( p_sys->psz_sdp_file != NULL ) FileSetup( p_stream );
>>> diff --git a/modules/stream_out/rtsp.c b/modules/stream_out/rtsp.c
>>> index 6161f6a795..d62ccebccd 100644
>>> --- a/modules/stream_out/rtsp.c
>>> +++ b/modules/stream_out/rtsp.c
>>> @@ -151,8 +151,6 @@ void RtspUnsetup( rtsp_stream_t *rtsp )
>>>          vlc_timer_destroy(rtsp->timer);
>>>  
>>>      free( rtsp->psz_path );
>>> -    vlc_mutex_destroy( &rtsp->lock );
>>> -
>>>      free( rtsp );
>>>  }
>>>  
>>> diff --git a/modules/stream_out/sdi/DBMSDIOutput.cpp 
>>> b/modules/stream_out/sdi/DBMSDIOutput.cpp
>>> index 19de3288e1..9c56b8f02b 100644
>>> --- a/modules/stream_out/sdi/DBMSDIOutput.cpp
>>> +++ b/modules/stream_out/sdi/DBMSDIOutput.cpp
>>> @@ -92,7 +92,6 @@ DBMSDIOutput::~DBMSDIOutput()
>>>          p_card->Release();
>>>  
>>>      vlc_cond_destroy(&feeder.cond);
>>> -    vlc_mutex_destroy(&feeder.lock);
>>>  }
>>>  
>>>  AbstractStream *DBMSDIOutput::Add(const es_format_t *fmt)
>>> diff --git a/modules/stream_out/sdi/SDIStream.cpp 
>>> b/modules/stream_out/sdi/SDIStream.cpp
>>> index a196860c13..0e728c3adf 100644
>>> --- a/modules/stream_out/sdi/SDIStream.cpp
>>> +++ b/modules/stream_out/sdi/SDIStream.cpp
>>> @@ -237,7 +237,6 @@ AbstractDecodedStream::~AbstractDecodedStream()
>>>      deinit();
>>>      es_format_Clean(&requestedoutput);
>>>      vlc_cond_destroy(&inputWait);
>>> -    vlc_mutex_destroy(&inputLock);
>>>  }
>>>  
>>>  void AbstractDecodedStream::deinit()
>>> diff --git a/modules/stream_out/transcode/encoder/encoder.c 
>>> b/modules/stream_out/transcode/encoder/encoder.c
>>> index e8ffb346ac..2c89332663 100644
>>> --- a/modules/stream_out/transcode/encoder/encoder.c
>>> +++ b/modules/stream_out/transcode/encoder/encoder.c
>>> @@ -50,7 +50,6 @@ void transcode_encoder_delete( transcode_encoder_t 
>>> *p_enc )
>>>          {
>>>              block_ChainRelease( p_enc->p_buffers );
>>>              picture_fifo_Delete( p_enc->pp_pics );
>>> -            vlc_mutex_destroy( &p_enc->lock_out );
>>>          }
>>>          es_format_Clean( &p_enc->p_encoder->fmt_in );
>>>          es_format_Clean( &p_enc->p_encoder->fmt_out );
>>> diff --git a/modules/stream_out/transcode/transcode.c 
>>> b/modules/stream_out/transcode/transcode.c
>>> index c0303d1aba..fc842041dd 100644
>>> --- a/modules/stream_out/transcode/transcode.c
>>> +++ b/modules/stream_out/transcode/transcode.c
>>> @@ -494,18 +494,12 @@ static void Close( vlc_object_t * p_this )
>>>  
>>>      transcode_encoder_config_clean( &p_sys->senc_cfg );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      free( p_sys );
>>>  }
>>>  
>>>  static void DeleteSoutStreamID( sout_stream_id_sys_t *id )
>>>  {
>>> -    if( id )
>>> -    {
>>> -        vlc_mutex_destroy(&id->fifo.lock);
>>> -        free( id );
>>> -    }
>>> +    free( id );
>>>  }
>>>  
>>>  static void SendSpuToVideoCallback( void *cbdata, subpicture_t *p_subpicture )
>>> diff --git a/modules/video_filter/alphamask.c b/modules/video_filter/alphamask.c
>>> index 7268496010..001f37185c 100644
>>> --- a/modules/video_filter/alphamask.c
>>> +++ b/modules/video_filter/alphamask.c
>>> @@ -135,7 +135,6 @@ static void Destroy( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, CFG_PREFIX "mask", MaskCallback,
>>>                       p_filter );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->mask_lock );
>>>      if( p_sys->p_mask )
>>>          picture_Release( p_sys->p_mask );
>>>  
>>> diff --git a/modules/video_filter/ball.c b/modules/video_filter/ball.c
>>> index d4d8c26f55..563ff8bedc 100644
>>> --- a/modules/video_filter/ball.c
>>> +++ b/modules/video_filter/ball.c
>>> @@ -332,8 +332,6 @@ static void Destroy( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, FILTER_PREFIX "edge-visible",
>>>                       ballCallback, p_sys );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      image_HandlerDelete( p_sys->p_image );
>>>  
>>>      free( p_sys->p_smooth );
>>> diff --git a/modules/video_filter/bluescreen.c 
>>> b/modules/video_filter/bluescreen.c
>>> index 730af68da8..3fe83a1a5d 100644
>>> --- a/modules/video_filter/bluescreen.c
>>> +++ b/modules/video_filter/bluescreen.c
>>> @@ -159,7 +159,6 @@ static void Destroy( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, CFG_PREFIX "vt", BluescreenCallback, 
>>> p_sys );
>>>  
>>>      free( p_sys->p_at );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/modules/video_filter/erase.c b/modules/video_filter/erase.c
>>> index 91a6b7bf89..7e6683b14e 100644
>>> --- a/modules/video_filter/erase.c
>>> +++ b/modules/video_filter/erase.c
>>> @@ -196,7 +196,6 @@ static void Destroy( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, CFG_PREFIX "x", EraseCallback, p_sys );
>>>      var_DelCallback( p_filter, CFG_PREFIX "y", EraseCallback, p_sys );
>>>      var_DelCallback( p_filter, CFG_PREFIX "mask", EraseCallback, p_sys );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      free( p_filter->p_sys );
>>>  }
>>> diff --git a/modules/video_filter/extract.c b/modules/video_filter/extract.c
>>> index 9de5f80228..0e849642a9 100644
>>> --- a/modules/video_filter/extract.c
>>> +++ b/modules/video_filter/extract.c
>>> @@ -157,7 +157,6 @@ static void Destroy( vlc_object_t *p_this )
>>>  
>>>      var_DelCallback( p_filter, FILTER_PREFIX "component", ExtractCallback,
>>>                       p_sys );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys->projection_matrix );
>>>      free( p_sys );
>>>  }
>>> diff --git a/modules/video_filter/gradfun.c b/modules/video_filter/gradfun.c
>>> index b17808465a..093d207523 100644
>>> --- a/modules/video_filter/gradfun.c
>>> +++ b/modules/video_filter/gradfun.c
>>> @@ -169,7 +169,6 @@ static void Close(vlc_object_t *object)
>>>      var_DelCallback(filter, CFG_PREFIX "radius",   Callback, NULL);
>>>      var_DelCallback(filter, CFG_PREFIX "strength", Callback, NULL);
>>>      aligned_free(sys->cfg.buf);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      free(sys);
>>>  }
>>>  
>>> diff --git a/modules/video_filter/gradient.c b/modules/video_filter/gradient.c
>>> index 671334eb91..22675305f5 100644
>>> --- a/modules/video_filter/gradient.c
>>> +++ b/modules/video_filter/gradient.c
>>> @@ -223,7 +223,6 @@ static void Destroy( vlc_object_t *p_this )
>>>                       GradientCallback, p_sys );
>>>      var_DelCallback( p_filter, FILTER_PREFIX "cartoon",
>>>                       GradientCallback, p_sys );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>  
>>>      free( p_sys->p_buf32 );
>>>      free( p_sys->p_buf32_bis );
>>> diff --git a/modules/video_filter/grain.c b/modules/video_filter/grain.c
>>> index 34cb4ce4f1..174de0a822 100644
>>> --- a/modules/video_filter/grain.c
>>> +++ b/modules/video_filter/grain.c
>>> @@ -430,7 +430,6 @@ static void Close(vlc_object_t *object)
>>>      filter_sys_t *sys    = filter->p_sys;
>>>  
>>>      var_DelCallback(filter, CFG_PREFIX "variance", Callback, NULL);
>>> -    vlc_mutex_destroy(&sys->cfg.lock);
>>>      free(sys);
>>>  }
>>>  
>>> diff --git a/modules/video_filter/hqdn3d.c 
>>> b/modules/video_filter/hqdn3d.c
>>> index bd453759dc..beb57974d8 100644
>>> --- a/modules/video_filter/hqdn3d.c
>>> +++ b/modules/video_filter/hqdn3d.c
>>> @@ -179,8 +179,6 @@ static void Close(vlc_object_t *this)
>>>      var_DelCallback( filter, FILTER_PREFIX "luma-temp", 
>>> DenoiseCallback, sys );
>>>      var_DelCallback( filter, FILTER_PREFIX "chroma-temp", 
>>> DenoiseCallback, sys );
>>>  
>>> -    vlc_mutex_destroy( &sys->coefs_mutex );
>>> -
>>>      for (int i = 0; i < 3; ++i) {
>>>          free(cfg->Frame[i]);
>>>      }
>>> diff --git a/modules/video_filter/postproc.c b/modules/video_filter/postproc.c
>>> index e3fd252eaa..bf0192de2b 100644
>>> --- a/modules/video_filter/postproc.c
>>> +++ b/modules/video_filter/postproc.c
>>> @@ -272,7 +272,6 @@ static void ClosePostproc( vlc_object_t *p_this )
>>>      var_DelCallback( p_filter, FILTER_PREFIX "name", PPNameCallback, NULL );
>>>  
>>>      /* Destroy the resources */
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      pp_free_context( p_sys->pp_context );
>>>      pp_free_mode( p_sys->pp_mode );
>>>      free( p_sys );
>>> diff --git a/modules/video_filter/puzzle.c 
>>> b/modules/video_filter/puzzle.c
>>> index f85f6a10b2..35e0a090ce 100644
>>> --- a/modules/video_filter/puzzle.c
>>> +++ b/modules/video_filter/puzzle.c
>>> @@ -226,9 +226,6 @@ static void Close( vlc_object_t *p_this ) {
>>>      var_DelCallback( p_filter, CFG_PREFIX "rotation",      
>>> puzzle_Callback, p_sys );
>>>      var_DelCallback( p_filter, CFG_PREFIX "mode",          
>>> puzzle_Callback, p_sys );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -    vlc_mutex_destroy( &p_sys->pce_lock );
>>> -
>>>      /* Free allocated memory */
>>>      puzzle_free_ps_puzzle_array ( p_filter );
>>>      puzzle_free_ps_pieces_shapes ( p_filter);
>>> diff --git a/modules/video_output/decklink.cpp 
>>> b/modules/video_output/decklink.cpp
>>> index c166233363..3c7c85eb3d 100644
>>> --- a/modules/video_output/decklink.cpp
>>> +++ b/modules/video_output/decklink.cpp
>>> @@ -351,7 +351,6 @@ static void ReleaseDLSys(vlc_object_t *obj, int 
>>> i_cat)
>>>  
>>>      if (--sys->users == 0) {
>>>          msg_Dbg(obj, "Destroying decklink data");
>>> -        vlc_mutex_destroy(&sys->lock);
>>>          vlc_cond_destroy(&sys->cond);
>>>  
>>>          if (sys->p_output) {
>>> diff --git a/modules/video_output/ios.m b/modules/video_output/ios.m
>>> index 9a075194f2..5c273ded11 100644
>>> --- a/modules/video_output/ios.m
>>> +++ b/modules/video_output/ios.m
>>> @@ -507,7 +507,6 @@ static void GLESSwap(vlc_gl_t *gl)
>>>  
>>>  - (void)dealloc
>>>  {
>>> -    vlc_mutex_destroy(&_mutex);
>>>      vlc_cond_destroy(&_gl_attached_wait);
>>>      [super dealloc];
>>>  }
>>> diff --git a/modules/video_output/splitter.c b/modules/video_output/splitter.c
>>> index 43cccba061..71ceda4674 100644
>>> --- a/modules/video_output/splitter.c
>>> +++ b/modules/video_output/splitter.c
>>> @@ -131,7 +131,6 @@ static void vlc_vidsplit_Close(vout_display_t *vd)
>>>  
>>>      module_unneed(&sys->splitter, sys->splitter.p_module);
>>>      video_format_Clean(&sys->splitter.fmt);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      vlc_object_delete(&sys->splitter);
>>>  }
>>>  
>>> @@ -249,7 +248,6 @@ static int vlc_vidsplit_Open(vout_display_t *vd,
>>>      free(name);
>>>      if (splitter->p_module == NULL) {
>>>          video_format_Clean(&splitter->fmt);
>>> -        vlc_mutex_destroy(&sys->lock);
>>>          vlc_object_delete(splitter);
>>>          return VLC_EGENERIC;
>>>      }
>>> diff --git a/modules/video_output/wayland/xdg-shell.c 
>>> b/modules/video_output/wayland/xdg-shell.c
>>> index f6363c641c..765ffb2a2f 100644
>>> --- a/modules/video_output/wayland/xdg-shell.c
>>> +++ b/modules/video_output/wayland/xdg-shell.c
>>> @@ -752,7 +752,6 @@ static void Close(vout_window_t *wnd)
>>>      vlc_cancel(sys->thread);
>>>      vlc_join(sys->thread, NULL);
>>>  
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      seat_destroy_all(&sys->seats);
>>>      output_list_destroy(sys->outputs);
>>>  #ifdef XDG_SHELL
>>> diff --git a/modules/video_output/win32/events.c 
>>> b/modules/video_output/win32/events.c
>>> index 9e8df25be3..15da61dc26 100644
>>> --- a/modules/video_output/win32/events.c
>>> +++ b/modules/video_output/win32/events.c
>>> @@ -167,7 +167,6 @@ event_thread_t *EventThreadCreate( vlc_object_t 
>>> *obj, vout_window_t *parent_wind
>>>  void EventThreadDestroy( event_thread_t *p_event )
>>>  {
>>>      vlc_cond_destroy( &p_event->wait );
>>> -    vlc_mutex_destroy( &p_event->lock );
>>>      free( p_event );
>>>  }
>>>  
>>> diff --git a/modules/video_output/win32/inhibit.c 
>>> b/modules/video_output/win32/inhibit.c
>>> index 566b311189..c1d3199ccb 100644
>>> --- a/modules/video_output/win32/inhibit.c
>>> +++ b/modules/video_output/win32/inhibit.c
>>> @@ -89,7 +89,6 @@ static void CloseInhibit (vlc_object_t *obj)
>>>      vlc_cancel(sys->thread);
>>>      vlc_join(sys->thread, NULL);
>>>      vlc_cond_destroy(&sys->cond);
>>> -    vlc_mutex_destroy(&sys->mutex);
>>>  }
>>>  
>>>  static int OpenInhibit (vlc_object_t *obj)
>>> @@ -108,7 +107,6 @@ static int OpenInhibit (vlc_object_t *obj)
>>>      if (vlc_clone(&sys->thread, Run, ih, VLC_THREAD_PRIORITY_LOW))
>>>      {
>>>          vlc_cond_destroy(&sys->cond);
>>> -        vlc_mutex_destroy(&sys->mutex);
>>>          return VLC_EGENERIC;
>>>      }
>>>  
>>> diff --git a/modules/visualization/goom.c b/modules/visualization/goom.c
>>> index 3fa6203e1c..a9b225f2f9 100644
>>> --- a/modules/visualization/goom.c
>>> +++ b/modules/visualization/goom.c
>>> @@ -147,7 +147,6 @@ static int Open( vlc_object_t *p_this )
>>>                     Thread, p_thread, VLC_THREAD_PRIORITY_LOW ) )
>>>      {
>>>          msg_Err( p_filter, "cannot launch goom thread" );
>>> -        vlc_mutex_destroy( &p_thread->lock );
>>>          vlc_cond_destroy( &p_thread->wait );
>>>          vout_Close( p_thread->p_vout );
>>>          free( p_thread );
>>> @@ -353,7 +352,6 @@ static void Close( vlc_object_t *p_this )
>>>  
>>>      /* Free data */
>>>      vout_Close( p_thread->p_vout );
>>> -    vlc_mutex_destroy( &p_thread->lock );
>>>      vlc_cond_destroy( &p_thread->wait );
>>>  
>>>      while( p_thread->i_blocks-- )
>>> diff --git a/modules/visualization/projectm.cpp 
>>> b/modules/visualization/projectm.cpp
>>> index 219dfdac4e..f4b636fb23 100644
>>> --- a/modules/visualization/projectm.cpp
>>> +++ b/modules/visualization/projectm.cpp
>>> @@ -204,7 +204,6 @@ static int Open( vlc_object_t * p_this )
>>>      return VLC_SUCCESS;
>>>  
>>>  error:
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free (p_sys );
>>>      return VLC_EGENERIC;
>>>  }
>>> @@ -230,7 +229,6 @@ static void Close( vlc_object_t *p_this )
>>>  
>>>      /* Free the ressources */
>>>      vlc_gl_surface_Destroy( p_sys->gl );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys->p_buffer );
>>>      free( p_sys );
>>>  }
>>> diff --git a/modules/visualization/vsxu.cpp b/modules/visualization/vsxu.cpp
>>> index 30239177d9..dbbb061ecf 100644
>>> --- a/modules/visualization/vsxu.cpp
>>> +++ b/modules/visualization/vsxu.cpp
>>> @@ -146,8 +146,6 @@ static int Open( vlc_object_t * p_this )
>>>      return VLC_SUCCESS;
>>>  
>>>  error:
>>> -    vlc_mutex_destroy( &p_sys->cyclic_block_mutex );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>      return VLC_EGENERIC;
>>>  }
>>> @@ -169,8 +167,6 @@ static void Close( vlc_object_t *p_this )
>>>  
>>>      /* Free the ressources */
>>>      vlc_gl_surface_Destroy( p_sys->gl );
>>> -    vlc_mutex_destroy( &p_sys->cyclic_block_mutex );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      delete p_sys->vsxu_cyclic_buffer;
>>>      free( p_sys );
>>>  }
>>> diff --git a/src/android/thread.c b/src/android/thread.c
>>> index 24eea70ae9..69ec70c25d 100644
>>> --- a/src/android/thread.c
>>> +++ b/src/android/thread.c
>>> @@ -108,7 +108,6 @@ static void clean_detached_thread(void *data)
>>>      struct vlc_thread *th = data;
>>>  
>>>      /* release thread handle */
>>> -    vlc_mutex_destroy(&th->wait.lock);
>>>      free(th);
>>>  }
>>>  
>>> diff --git a/src/audio_output/output.c b/src/audio_output/output.c
>>> index 526489e5f6..d7d013c81d 100644
>>> --- a/src/audio_output/output.c
>>> +++ b/src/audio_output/output.c
>>> @@ -385,7 +385,6 @@ void aout_Release(audio_output_t *aout)
>>>  
>>>      atomic_thread_fence(memory_order_acquire);
>>>  
>>> -    vlc_mutex_destroy (&owner->dev.lock);
>>>      for (aout_dev_t *dev = owner->dev.list, *next; dev != NULL; dev = next)
>>>      {
>>>          next = dev->next;
>>> @@ -393,8 +392,6 @@ void aout_Release(audio_output_t *aout)
>>>          free (dev);
>>>      }
>>>  
>>> -    vlc_mutex_destroy (&owner->vp.lock);
>>> -    vlc_mutex_destroy (&owner->lock);
>>>      vlc_object_delete(VLC_OBJECT(aout));
>>>  }
>>>  
>>> diff --git a/src/clock/clock.c b/src/clock/clock.c
>>> index 43c44bed6e..8637d827e4 100644
>>> --- a/src/clock/clock.c
>>> +++ b/src/clock/clock.c
>>> @@ -469,7 +469,6 @@ void vlc_clock_main_ChangePause(vlc_clock_main_t 
>>> *main_clock, vlc_tick_t now,
>>>  
>>>  void vlc_clock_main_Delete(vlc_clock_main_t *main_clock)
>>>  {
>>> -    vlc_mutex_destroy(&main_clock->lock);
>>>      vlc_cond_destroy(&main_clock->cond);
>>>      assert(main_clock->rc == 1);
>>>      free(main_clock);
>>> diff --git a/src/clock/input_clock.c b/src/clock/input_clock.c
>>> index c7724625c4..ac891d8cb9 100644
>>> --- a/src/clock/input_clock.c
>>> +++ b/src/clock/input_clock.c
>>> @@ -189,7 +189,6 @@ input_clock_t *input_clock_New( float rate )
>>>  void input_clock_Delete( input_clock_t *cl )
>>>  {
>>>      AvgClean( &cl->drift );
>>> -    vlc_mutex_destroy( &cl->lock );
>>>      free( cl );
>>>  }
>>>  
>>> diff --git a/src/input/decoder.c b/src/input/decoder.c
>>> index d7f85243d3..fd2e6aa03b 100644
>>> --- a/src/input/decoder.c
>>> +++ b/src/input/decoder.c
>>> @@ -2043,9 +2043,6 @@ static void DeleteDecoder( decoder_t * p_dec )
>>>      vlc_cond_destroy( &p_owner->wait_fifo );
>>>      vlc_cond_destroy( &p_owner->wait_acknowledge );
>>>      vlc_cond_destroy( &p_owner->wait_request );
>>> -    vlc_mutex_destroy( &p_owner->lock );
>>> -    vlc_mutex_destroy( &p_owner->mouse_lock );
>>> -
>>>      decoder_Destroy( &p_owner->dec );
>>>  }
>>>  
>>> diff --git a/src/input/demux_chained.c b/src/input/demux_chained.c
>>> index f2123fd0f7..c8c436daec 100644
>>> --- a/src/input/demux_chained.c
>>> +++ b/src/input/demux_chained.c
>>> @@ -124,7 +124,6 @@ vlc_demux_chained_t 
>>> *vlc_demux_chained_New(vlc_object_t *parent,
>>>      {
>>>          vlc_stream_Delete(dc->reader);
>>>          vlc_stream_fifo_Close(dc->writer);
>>> -        vlc_mutex_destroy(&dc->lock);
>>>          free(dc);
>>>          dc = NULL;
>>>      }
>>> @@ -165,6 +164,5 @@ void vlc_demux_chained_Delete(vlc_demux_chained_t 
>>> *dc)
>>>  {
>>>      vlc_stream_fifo_Close(dc->writer);
>>>      vlc_join(dc->thread, NULL);
>>> -    vlc_mutex_destroy(&dc->lock);
>>>      free(dc);
>>>  }
>>> diff --git a/src/input/es_out.c b/src/input/es_out.c
>>> index 7671dc3948..6955192dc0 100644
>>> --- a/src/input/es_out.c
>>> +++ b/src/input/es_out.c
>>> @@ -598,8 +598,6 @@ static void EsOutDelete( es_out_t *out )
>>>      EsOutPropsCleanup( &p_sys->audio );
>>>      EsOutPropsCleanup( &p_sys->sub );
>>>  
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>> -
>>>      free( p_sys );
>>>  }
>>>  
>>> diff --git a/src/input/es_out_timeshift.c b/src/input/es_out_timeshift.c
>>> index ed79000f65..bfdb930981 100644
>>> --- a/src/input/es_out_timeshift.c
>>> +++ b/src/input/es_out_timeshift.c
>>> @@ -405,7 +405,6 @@ static void Destroy( es_out_t *p_out )
>>>      TAB_CLEAN( p_sys->i_es, p_sys->pp_es  );
>>>  
>>>      free( p_sys->psz_tmp_path );
>>> -    vlc_mutex_destroy( &p_sys->lock );
>>>      free( p_sys );
>>>  }
>>>  
>>> @@ -784,7 +783,6 @@ static const struct es_out_callbacks es_out_timeshift_cbs =
>>>  static void TsDestroy( ts_thread_t *p_ts )
>>>  {
>>>      vlc_cond_destroy( &p_ts->wait );
>>> -    vlc_mutex_destroy( &p_ts->lock );
>>>      free( p_ts );
>>>  }
>>>  static int TsStart( es_out_t *p_out )
>>> diff --git a/src/input/input.c b/src/input/input.c
>>> index 2dd0bf0982..bb57eb4705 100644
>>> --- a/src/input/input.c
>>> +++ b/src/input/input.c
>>> @@ -439,7 +439,6 @@ static void Destroy(input_thread_t *input)
>>>      }
>>>  
>>>      vlc_cond_destroy(&priv->wait_control);
>>> -    vlc_mutex_destroy(&priv->lock_control);
>>>      vlc_object_delete(VLC_OBJECT(input));
>>>  }
>>>  
>>> diff --git a/src/input/item.c b/src/input/item.c
>>> index 1a8a2bdb3f..1c03af739b 100644
>>> --- a/src/input/item.c
>>> +++ b/src/input/item.c
>>> @@ -519,7 +519,6 @@ void input_item_Release( input_item_t *p_item )
>>>          input_item_slave_Delete( p_item->pp_slaves[i] );
>>>      TAB_CLEAN( p_item->i_slaves, p_item->pp_slaves );
>>>  
>>> -    vlc_mutex_destroy( &p_item->lock );
>>>      free( owner );
>>>  }
>>>  
>>> diff --git a/src/input/resource.c b/src/input/resource.c
>>> index 0d192f2beb..65906da287 100644
>>> --- a/src/input/resource.c
>>> +++ b/src/input/resource.c
>>> @@ -299,8 +299,6 @@ void input_resource_Release( input_resource_t *p_resource )
>>>      if( p_resource->p_aout != NULL )
>>>          aout_Destroy( p_resource->p_aout );
>>>  
>>> -    vlc_mutex_destroy( &p_resource->lock_hold );
>>> -    vlc_mutex_destroy( &p_resource->lock );
>>>      vout_Release( p_resource->p_vout_dummy );
>>>      free( p_resource );
>>>  }
>>> diff --git a/src/input/stats.c b/src/input/stats.c
>>> index 4a79ddc840..b294a59e98 100644
>>> --- a/src/input/stats.c
>>> +++ b/src/input/stats.c
>>> @@ -72,8 +72,6 @@ struct input_stats *input_stats_Create(void)
>>>  
>>>  void input_stats_Destroy(struct input_stats *stats)
>>>  {
>>> -    vlc_mutex_destroy(&stats->demux_bitrate.lock);
>>> -    vlc_mutex_destroy(&stats->input_bitrate.lock);
>>>      free(stats);
>>>  }
>>>  
>>> diff --git a/src/input/thumbnailer.c b/src/input/thumbnailer.c
>>> index dbf23b5115..783eb2886b 100644
>>> --- a/src/input/thumbnailer.c
>>> +++ b/src/input/thumbnailer.c
>>> @@ -117,7 +117,6 @@ static void thumbnailer_request_Release( void* data )
>>>          input_Close( request->input_thread );
>>>  
>>>      input_item_Release( request->params.input_item );
>>> -    vlc_mutex_destroy( &request->lock );
>>>      free( request );
>>>  }
>>>  
>>> diff --git a/src/input/vlm.c b/src/input/vlm.c
>>> index c63217c295..d33b9a917a 100644
>>> --- a/src/input/vlm.c
>>> +++ b/src/input/vlm.c
>>> @@ -179,8 +179,6 @@ vlm_t *vlm_New( libvlc_int_t *libvlc, const char 
>>> *psz_vlmconf )
>>>      if( vlc_clone( &p_vlm->thread, Manage, p_vlm, 
>>> VLC_THREAD_PRIORITY_LOW ) )
>>>      {
>>>          vlc_cond_destroy( &p_vlm->wait_manage );
>>> -        vlc_mutex_destroy( &p_vlm->lock );
>>> -        vlc_mutex_destroy( &p_vlm->lock_manage );
>>>          vlc_object_delete(p_vlm);
>>>          vlc_mutex_unlock( &vlm_mutex );
>>>          return NULL;
>>> @@ -257,8 +255,6 @@ void vlm_Delete( vlm_t *p_vlm )
>>>      vlc_join( p_vlm->thread, NULL );
>>>  
>>>      vlc_cond_destroy( &p_vlm->wait_manage );
>>> -    vlc_mutex_destroy( &p_vlm->lock );
>>> -    vlc_mutex_destroy( &p_vlm->lock_manage );
>>>      vlc_object_delete(p_vlm);
>>>  }
>>>  
>>> diff --git a/src/interface/dialog.c b/src/interface/dialog.c
>>> index 4205d88be4..c761bd0c4d 100644
>>> --- a/src/interface/dialog.c
>>> +++ b/src/interface/dialog.c
>>> @@ -140,7 +140,6 @@ dialog_id_release(vlc_dialog_id *p_id)
>>>          free(p_id->answer.u.login.psz_password);
>>>      }
>>>      free(p_id->psz_progress_text);
>>> -    vlc_mutex_destroy(&p_id->lock);
>>>      vlc_cond_destroy(&p_id->wait);
>>>      free(p_id);
>>>  }
>>> @@ -245,7 +244,6 @@ libvlc_InternalDialogClean(libvlc_int_t *p_libvlc)
>>>      dialog_clear_all_locked(p_provider);
>>>      vlc_mutex_unlock(&p_provider->lock);
>>>  
>>> -    vlc_mutex_destroy(&p_provider->lock);
>>>      free(p_provider);
>>>      libvlc_priv(p_libvlc)->p_dialog_provider = NULL;
>>>  }
>>> diff --git a/src/libvlc.c b/src/libvlc.c
>>> index 2d370deab8..c40fa19ba3 100644
>>> --- a/src/libvlc.c
>>> +++ b/src/libvlc.c
>>> @@ -456,11 +456,6 @@ void libvlc_InternalCleanup( libvlc_int_t *p_libvlc )
>>>   */
>>>  void libvlc_InternalDestroy( libvlc_int_t *p_libvlc )
>>>  {
>>> -    libvlc_priv_t *priv = libvlc_priv( p_libvlc );
>>> -
>>> -    vlc_ExitDestroy( &priv->exit );
>>> -
>>> -    vlc_mutex_destroy(&priv->lock);
>>>      vlc_object_delete(p_libvlc);
>>>  }
>>>  
>>> diff --git a/src/libvlc.h b/src/libvlc.h
>>> index e91587f947..d2d112aa56 100644
>>> --- a/src/libvlc.h
>>> +++ b/src/libvlc.h
>>> @@ -73,7 +73,6 @@ typedef struct vlc_exit
>>>  } vlc_exit_t;
>>>  
>>>  void vlc_ExitInit( vlc_exit_t * );
>>> -void vlc_ExitDestroy( vlc_exit_t * );
>>>  
>>>  /*
>>>   * LibVLC objects stuff
>>> diff --git a/src/libvlccore.sym b/src/libvlccore.sym
>>> index a0efbecb78..1a7d4805c9 100644
>>> --- a/src/libvlccore.sym
>>> +++ b/src/libvlccore.sym
>>> @@ -613,7 +613,6 @@ vlc_meta_Set
>>>  vlc_meta_SetStatus
>>>  vlc_meta_TypeToLocalizedString
>>>  vlc_mime_Ext2Mime
>>> -vlc_mutex_destroy
>>>  vlc_mutex_init
>>>  vlc_mutex_init_recursive
>>>  vlc_mutex_lock
>>> diff --git a/src/media_source/media_source.c b/src/media_source/media_source.c
>>> index f6ac776ae2..71b37d41ac 100644
>>> --- a/src/media_source/media_source.c
>>> +++ b/src/media_source/media_source.c
>>> @@ -243,7 +243,6 @@ vlc_media_source_provider_New(vlc_object_t *parent)
>>>  void
>>>  vlc_media_source_provider_Delete(vlc_media_source_provider_t *provider)
>>>  {
>>> -    vlc_mutex_destroy(&provider->lock);
>>>      ReleaseObject(provider);
>>>  }
>>>  
>>> diff --git a/src/media_source/media_tree.c b/src/media_source/media_tree.c
>>> index 017325719f..5774b294ff 100644
>>> --- a/src/media_source/media_tree.c
>>> +++ b/src/media_source/media_tree.c
>>> @@ -204,7 +204,6 @@ vlc_media_tree_Delete(vlc_media_tree_t *tree)
>>>          free(listener);
>>>      vlc_list_init(&priv->listeners); /* reset */
>>>      vlc_media_tree_DestroyRootNode(tree);
>>> -    vlc_mutex_destroy(&priv->lock);
>>>      free(tree);
>>>  }
>>>  
>>> diff --git a/src/misc/addons.c b/src/misc/addons.c
>>> index 1e19943037..a7a3414ddf 100644
>>> --- a/src/misc/addons.c
>>> +++ b/src/misc/addons.c
>>> @@ -124,7 +124,6 @@ void addon_entry_Release( addon_entry_t * p_entry )
>>>      }
>>>      ARRAY_RESET( p_entry->files );
>>>  
>>> -    vlc_mutex_destroy( &p_entry->lock );
>>>      free( owner );
>>>  }
>>>  
>>> @@ -199,7 +198,6 @@ void addons_manager_Delete( addons_manager_t *p_manager )
>>>      ARRAY_FOREACH( p_entry, p_manager->p_priv->name.entries )\
>>>          addon_entry_Release( p_entry );\
>>>      ARRAY_RESET( p_manager->p_priv->name.entries );\
>>> -    vlc_mutex_destroy( &p_manager->p_priv->name.lock );\
>>>      vlc_cond_destroy( &p_manager->p_priv->name.waitcond );\
>>>      vlc_interrupt_destroy( p_manager->p_priv->name.p_interrupt );
>>>  
>>> diff --git a/src/misc/background_worker.c b/src/misc/background_worker.c
>>> index 04014354e9..4bba9e0ff3 100644
>>> --- a/src/misc/background_worker.c
>>> +++ b/src/misc/background_worker.c
>>> @@ -171,7 +171,6 @@ static struct background_worker 
>>> *background_worker_Create(void *owner,
>>>  static void background_worker_Destroy(struct background_worker *worker)
>>>  {
>>>      vlc_cond_destroy(&worker->queue_wait);
>>> -    vlc_mutex_destroy(&worker->lock);
>>>      free(worker);
>>>  }
>>>  
>>> diff --git a/src/misc/events.c b/src/misc/events.c
>>> index 150f7272bc..e5472773ed 100644
>>> --- a/src/misc/events.c
>>> +++ b/src/misc/events.c
>>> @@ -80,8 +80,6 @@ void vlc_event_manager_fini( vlc_event_manager_t * p_em )
>>>  {
>>>      struct vlc_event_listener_t * listener;
>>>  
>>> -    vlc_mutex_destroy( &p_em->lock );
>>> -
>>>      for( size_t i = 0; i < ARRAY_SIZE(p_em->events); i++ )
>>>      {
>>>          struct vlc_event_listeners_group_t *slot = p_em->events + i;
>>> diff --git a/src/misc/exit.c b/src/misc/exit.c
>>> index 27985a4afb..d6cb0ad407 100644
>>> --- a/src/misc/exit.c
>>> +++ b/src/misc/exit.c
>>> @@ -34,12 +34,6 @@ void vlc_ExitInit( vlc_exit_t *exit )
>>>      exit->opaque = NULL;
>>>  }
>>>  
>>> -void vlc_ExitDestroy( vlc_exit_t *exit )
>>> -{
>>> -    vlc_mutex_destroy( &exit->lock );
>>> -}
>>> -
>>> -
>>>  /**
>>>   * Registers a callback for the LibVLC exit event.
>>>   */
>>> diff --git a/src/misc/fifo.c b/src/misc/fifo.c
>>> index e11aebdb87..836f29d90b 100644
>>> --- a/src/misc/fifo.c
>>> +++ b/src/misc/fifo.c
>>> @@ -162,7 +162,6 @@ void block_FifoRelease( block_fifo_t *p_fifo )
>>>  {
>>>      block_ChainRelease( p_fifo->p_first );
>>>      vlc_cond_destroy( &p_fifo->wait );
>>> -    vlc_mutex_destroy( &p_fifo->lock );
>>>      free( p_fifo );
>>>  }
>>>  
>>> diff --git a/src/misc/httpcookies.c b/src/misc/httpcookies.c
>>> index f4c9682a9e..2049b1b62c 100644
>>> --- a/src/misc/httpcookies.c
>>> +++ b/src/misc/httpcookies.c
>>> @@ -289,7 +289,6 @@ void vlc_http_cookies_destroy( 
>>> vlc_http_cookie_jar_t * p_jar )
>>>          cookie_destroy( vlc_array_item_at_index( &p_jar->cookies, i ) 
>>> );
>>>  
>>>      vlc_array_clear( &p_jar->cookies );
>>> -    vlc_mutex_destroy( &p_jar->lock );
>>>  
>>>      free( p_jar );
>>>  }
>>> diff --git a/src/misc/interrupt.c b/src/misc/interrupt.c
>>> index d2a04a72b3..f272b6ebca 100644
>>> --- a/src/misc/interrupt.c
>>> +++ b/src/misc/interrupt.c
>>> @@ -71,7 +71,6 @@ vlc_interrupt_t *vlc_interrupt_create(void)
>>>  void vlc_interrupt_deinit(vlc_interrupt_t *ctx)
>>>  {
>>>      assert(ctx->callback == NULL);
>>> -    vlc_mutex_destroy(&ctx->lock);
>>>  }
>>>  
>>>  void vlc_interrupt_destroy(vlc_interrupt_t *ctx)
>>> diff --git a/src/misc/medialibrary.c b/src/misc/medialibrary.c
>>> index b1ce7907f3..10013c7f20 100644
>>> --- a/src/misc/medialibrary.c
>>> +++ b/src/misc/medialibrary.c
>>> @@ -111,7 +111,6 @@ vlc_medialibrary_t* libvlc_MlCreate( libvlc_int_t* 
>>> p_libvlc  )
>>>      p_ml->m.p_module = module_need( &p_ml->m, "medialibrary", NULL, 
>>> false );
>>>      if ( p_ml->m.p_module == NULL )
>>>      {
>>> -        vlc_mutex_destroy( &p_ml->lock );
>>>          vlc_object_delete(&p_ml->m);
>>>          return NULL;
>>>      }
>>> @@ -123,7 +122,6 @@ void libvlc_MlRelease( vlc_medialibrary_t* p_ml )
>>>      assert( p_ml != NULL );
>>>      module_unneed( &p_ml->m, p_ml->m.p_module );
>>>      assert( vlc_list_is_empty( &p_ml->cbs ) );
>>> -    vlc_mutex_destroy( &p_ml->lock );
>>>      vlc_object_delete(&p_ml->m);
>>>  }
>>>  
>>> diff --git a/src/misc/messages.c b/src/misc/messages.c
>>> index 0872511389..898e4be56f 100644
>>> --- a/src/misc/messages.c
>>> +++ b/src/misc/messages.c
>>> @@ -257,7 +257,6 @@ static void vlc_LogEarlyClose(void *d)
>>>          free(log);
>>>      }
>>>  
>>> -    vlc_mutex_destroy(&early->lock);
>>>      free(early);
>>>  }
>>>  
>>> diff --git a/src/misc/objects.c b/src/misc/objects.c
>>> index f87edd9827..f7e68c4dc4 100644
>>> --- a/src/misc/objects.c
>>> +++ b/src/misc/objects.c
>>> @@ -129,7 +129,6 @@ void vlc_object_deinit(vlc_object_t *obj)
>>>      vlc_restorecancel(canc);
>>>  
>>>      vlc_cond_destroy(&priv->var_wait);
>>> -    vlc_mutex_destroy(&priv->var_lock);
>>>      free(priv);
>>>  }
>>>  
>>> diff --git a/src/misc/picture_fifo.c b/src/misc/picture_fifo.c
>>> index 72ad2f622f..bda20f5d8f 100644
>>> --- a/src/misc/picture_fifo.c
>>> +++ b/src/misc/picture_fifo.c
>>> @@ -142,7 +142,6 @@ void picture_fifo_OffsetDate(picture_fifo_t *fifo, 
>>> vlc_tick_t delta)
>>>  void picture_fifo_Delete(picture_fifo_t *fifo)
>>>  {
>>>      picture_fifo_Flush(fifo, VLC_TICK_INVALID, true);
>>> -    vlc_mutex_destroy(&fifo->lock);
>>>      free(fifo);
>>>  }
>>>  
>>> diff --git a/src/misc/picture_pool.c b/src/misc/picture_pool.c
>>> index 0eb53516ad..9190af91c4 100644
>>> --- a/src/misc/picture_pool.c
>>> +++ b/src/misc/picture_pool.c
>>> @@ -56,7 +56,6 @@ static void picture_pool_Destroy(picture_pool_t *pool)
>>>  
>>>      atomic_thread_fence(memory_order_acquire);
>>>      vlc_cond_destroy(&pool->wait);
>>> -    vlc_mutex_destroy(&pool->lock);
>>>      aligned_free(pool);
>>>  }
>>>  
>>> diff --git a/src/misc/threads.c b/src/misc/threads.c
>>> index c4fd617882..8fb553b440 100644
>>> --- a/src/misc/threads.c
>>> +++ b/src/misc/threads.c
>>> @@ -125,14 +125,6 @@ void vlc_mutex_init_recursive(vlc_mutex_t *mtx)
>>>      vlc_mutex_init_common(mtx, true);
>>>  }
>>>  
>>> -void vlc_mutex_destroy(vlc_mutex_t *mtx)
>>> -{
>>> -    assert(atomic_load_explicit(&mtx->value, memory_order_relaxed) == 0);
>>> -    assert(atomic_load_explicit(&mtx->recursion, memory_order_relaxed) <= 1);
>>> -    assert(atomic_load_explicit(&mtx->owner, memory_order_relaxed) == NULL);
>>> -    (void) mtx;
>>> -}
>>> -
>>>  static _Thread_local char thread_self[1];
>>>  #define THREAD_SELF ((const void *)thread_self)
>>>  
>>> @@ -239,7 +231,6 @@ void vlc_cond_init_daytime(vlc_cond_t *cond)
>>>  void vlc_cond_destroy(vlc_cond_t *cond)
>>>  {
>>>      assert(cond->head == NULL);
>>> -    vlc_mutex_destroy(&cond->lock);
>>>  }
>>>  
>>>  struct vlc_cond_waiter {
>>> @@ -421,7 +412,6 @@ void vlc_rwlock_init (vlc_rwlock_t *lock)
>>>  void vlc_rwlock_destroy (vlc_rwlock_t *lock)
>>>  {
>>>      vlc_cond_destroy (&lock->wait);
>>> -    vlc_mutex_destroy (&lock->mutex);
>>>  }
>>>  
>>>  void vlc_rwlock_rdlock (vlc_rwlock_t *lock)
>>> diff --git a/src/misc/update.c b/src/misc/update.c
>>> index f5d6dc4ebe..44a446d8d6 100644
>>> --- a/src/misc/update.c
>>> +++ b/src/misc/update.c
>>> @@ -147,8 +147,6 @@ void update_Delete( update_t *p_update )
>>>          vlc_object_delete(p_update->p_download);
>>>      }
>>>  
>>> -    vlc_mutex_destroy( &p_update->lock );
>>> -
>>>      free( p_update->release.psz_url );
>>>      free( p_update->release.psz_desc );
>>>      free( p_update->p_pkey );
>>> diff --git a/src/network/httpd.c b/src/network/httpd.c
>>> index 2b56c178a1..177abcc710 100644
>>> --- a/src/network/httpd.c
>>> +++ b/src/network/httpd.c
>>> @@ -866,7 +866,6 @@ void httpd_StreamDelete(httpd_stream_t *stream)
>>>          free(stream->p_http_headers[i].value);
>>>      }
>>>      free(stream->p_http_headers);
>>> -    vlc_mutex_destroy(&stream->lock);
>>>      free(stream->psz_mime);
>>>      free(stream->p_header);
>>>      free(stream->p_buffer);
>>> @@ -993,7 +992,6 @@ error:
>>>      if (host) {
>>>          net_ListenClose(host->fds);
>>>          vlc_cond_destroy(&host->wait);
>>> -        vlc_mutex_destroy(&host->lock);
>>>          vlc_object_delete(host);
>>>      }
>>>  
>>> @@ -1030,7 +1028,6 @@ void httpd_HostDelete(httpd_host_t *host)
>>>      vlc_tls_ServerDelete(host->p_tls);
>>>      net_ListenClose(host->fds);
>>>      vlc_cond_destroy(&host->wait);
>>> -    vlc_mutex_destroy(&host->lock);
>>>      vlc_object_delete(host);
>>>      vlc_mutex_unlock(&httpd.mutex);
>>>  }
>>> @@ -1117,7 +1114,6 @@ void httpd_UrlDelete(httpd_url_t *url)
>>>      vlc_mutex_lock(&host->lock);
>>>      vlc_list_remove(&url->node);
>>>  
>>> -    vlc_mutex_destroy(&url->lock);
>>>      free(url->psz_url);
>>>      free(url->psz_user);
>>>      free(url->psz_password);
>>> diff --git a/src/os2/thread.c b/src/os2/thread.c
>>> index c30cdad210..d7d07f6a17 100644
>>> --- a/src/os2/thread.c
>>> +++ b/src/os2/thread.c
>>> @@ -160,7 +160,6 @@ unsigned long _System _DLL_InitTerm(unsigned long 
>>> hmod, unsigned long flag)
>>>              vlc_rwlock_destroy (&config_lock);
>>>              vlc_threadvar_delete (&thread_key);
>>>              vlc_cond_destroy (&super_variable);
>>> -            vlc_mutex_destroy (&super_mutex);
>>>  
>>>              _CRT_term();
>>>  
>>> diff --git a/src/player/player.c b/src/player/player.c
>>> index 48c03905a4..6eedc71925 100644
>>> --- a/src/player/player.c
>>> +++ b/src/player/player.c
>>> @@ -1843,9 +1843,6 @@ vlc_player_InitLocks(vlc_player_t *player, enum 
>>> vlc_player_lock_type lock_type)
>>>  static void
>>>  vlc_player_DestroyLocks(vlc_player_t *player)
>>>  {
>>> -    vlc_mutex_destroy(&player->lock);
>>> -    vlc_mutex_destroy(&player->vout_listeners_lock);
>>> -    vlc_mutex_destroy(&player->aout_listeners_lock);
>>>      vlc_cond_destroy(&player->start_delay_cond);
>>>      vlc_cond_destroy(&player->destructor.wait);
>>>  }
>>> diff --git a/src/player/timer.c b/src/player/timer.c
>>> index 56bbdc0ae7..1be28b22f0 100644
>>> --- a/src/player/timer.c
>>> +++ b/src/player/timer.c
>>> @@ -537,5 +537,4 @@ vlc_player_DestroyTimer(vlc_player_t *player)
>>>  {
>>>      for (size_t i = 0; i < VLC_PLAYER_TIMER_TYPE_COUNT; ++i)
>>>          assert(vlc_list_is_empty(&player->timer.sources[i].listeners));
>>> -    vlc_mutex_destroy(&player->timer.lock);
>>>  }
>>> diff --git a/src/posix/timer.c b/src/posix/timer.c
>>> index 713a9133f5..f84f17cb9d 100644
>>> --- a/src/posix/timer.c
>>> +++ b/src/posix/timer.c
>>> @@ -122,7 +122,6 @@ int vlc_timer_create (vlc_timer_t *id, void (*func) 
>>> (void *), void *data)
>>>                     VLC_THREAD_PRIORITY_INPUT))
>>>      {
>>>          vlc_cond_destroy (&timer->reschedule);
>>> -        vlc_mutex_destroy (&timer->lock);
>>>          free (timer);
>>>          return ENOMEM;
>>>      }
>>> @@ -140,7 +139,6 @@ void vlc_timer_destroy (vlc_timer_t timer)
>>>  
>>>      vlc_join (timer->thread, NULL);
>>>      vlc_cond_destroy (&timer->reschedule);
>>> -    vlc_mutex_destroy (&timer->lock);
>>>      free (timer);
>>>  }
>>>  
>>> diff --git a/src/preparser/fetcher.c b/src/preparser/fetcher.c
>>> index ac5c3eba21..5bb4aa1cef 100644
>>> --- a/src/preparser/fetcher.c
>>> +++ b/src/preparser/fetcher.c
>>> @@ -481,7 +481,5 @@ void input_fetcher_Delete( input_fetcher_t* fetcher )
>>>      background_worker_Delete( fetcher->downloader );
>>>  
>>>      vlc_dictionary_clear( &fetcher->album_cache, FreeCacheEntry, NULL 
>>> );
>>> -    vlc_mutex_destroy( &fetcher->lock );
>>> -
>>>      free( fetcher );
>>>  }
>>> diff --git a/src/stream_output/stream_output.c 
>>> b/src/stream_output/stream_output.c
>>> index 80daa2ae0e..239a81936d 100644
>>> --- a/src/stream_output/stream_output.c
>>> +++ b/src/stream_output/stream_output.c
>>> @@ -131,7 +131,6 @@ sout_instance_t *sout_NewInstance( vlc_object_t 
>>> *p_parent, const char *psz_dest
>>>  
>>>      FREENULL( p_sout->psz_sout );
>>>  
>>> -    vlc_mutex_destroy( &p_sout->lock );
>>>      vlc_object_delete(p_sout);
>>>      return NULL;
>>>  }
>>> @@ -147,8 +146,6 @@ void sout_DeleteInstance( sout_instance_t * p_sout )
>>>      /* *** free all string *** */
>>>      FREENULL( p_sout->psz_sout );
>>>  
>>> -    vlc_mutex_destroy( &p_sout->lock );
>>> -
>>>      /* *** free structure *** */
>>>      vlc_object_delete(p_sout);
>>>  }
>>> diff --git a/src/test/timer.c b/src/test/timer.c
>>> index 1162305fe2..6b40c30c47 100644
>>> --- a/src/test/timer.c
>>> +++ b/src/test/timer.c
>>> @@ -108,7 +108,5 @@ int main (void)
>>>  
>>>      vlc_timer_destroy (data.timer);
>>>      vlc_cond_destroy (&data.wait);
>>> -    vlc_mutex_destroy (&data.lock);
>>> -
>>>      return 0;
>>>  }
>>> diff --git a/src/video_output/control.c b/src/video_output/control.c
>>> index 616ea566cf..c14931070b 100644
>>> --- a/src/video_output/control.c
>>> +++ b/src/video_output/control.c
>>> @@ -69,7 +69,6 @@ void vout_control_Clean(vout_control_t *ctrl)
>>>      }
>>>      ARRAY_RESET(ctrl->cmd);
>>>  
>>> -    vlc_mutex_destroy(&ctrl->lock);
>>>      vlc_cond_destroy(&ctrl->wait_request);
>>>      vlc_cond_destroy(&ctrl->wait_available);
>>>  }
>>> diff --git a/src/video_output/opengl.c b/src/video_output/opengl.c
>>> index 9d207ac709..99ba7b29e7 100644
>>> --- a/src/video_output/opengl.c
>>> +++ b/src/video_output/opengl.c
>>> @@ -187,7 +187,6 @@ vlc_gl_t *vlc_gl_surface_Create(vlc_object_t *obj,
>>>      return gl;
>>>  
>>>  error:
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      free(sys);
>>>      return NULL;
>>>  }
>>> @@ -230,6 +229,5 @@ void vlc_gl_surface_Destroy(vlc_gl_t *gl)
>>>      vlc_gl_Release(gl);
>>>      vout_window_Disable(surface);
>>>      vout_window_Delete(surface);
>>> -    vlc_mutex_destroy(&sys->lock);
>>>      free(sys);
>>>  }
>>> diff --git a/src/video_output/snapshot.c b/src/video_output/snapshot.c
>>> index 92b5886dc8..b18297cb1b 100644
>>> --- a/src/video_output/snapshot.c
>>> +++ b/src/video_output/snapshot.c
>>> @@ -78,7 +78,6 @@ void vout_snapshot_Destroy(vout_snapshot_t *snap)
>>>      }
>>>  
>>>      vlc_cond_destroy(&snap->wait);
>>> -    vlc_mutex_destroy(&snap->lock);
>>>      free(snap);
>>>  }
>>>  
>>> diff --git a/src/video_output/video_output.c b/src/video_output/video_output.c
>>> index edda78d731..229b010a96 100644
>>> --- a/src/video_output/video_output.c
>>> +++ b/src/video_output/video_output.c
>>> @@ -1845,10 +1845,6 @@ void vout_Release(vout_thread_t *vout)
>>>  
>>>      free(sys->splitter_name);
>>>  
>>> -    /* Destroy the locks */
>>> -    vlc_mutex_destroy(&sys->window_lock);
>>> -    vlc_mutex_destroy(&sys->filter.lock);
>>> -
>>>      if (sys->dec_device)
>>>          vlc_decoder_device_Release(sys->dec_device);
>>>  
>>> @@ -1856,7 +1852,6 @@ void vout_Release(vout_thread_t *vout)
>>>      vout_display_window_Delete(sys->display_cfg.window);
>>>  
>>>      vout_control_Clean(&sys->control);
>>> -    vlc_mutex_destroy(&sys->display_lock);
>>>  
>>>      /* */
>>>      vout_statistic_Clean(&sys->statistic);
>>> diff --git a/src/video_output/vout_subpictures.c 
>>> b/src/video_output/vout_subpictures.c
>>> index 3efd76ff1d..2a4a79ad91 100644
>>> --- a/src/video_output/vout_subpictures.c
>>> +++ b/src/video_output/vout_subpictures.c
>>> @@ -1582,7 +1582,6 @@ static void spu_Cleanup(spu_t *spu)
>>>  
>>>      if (sys->text)
>>>          FilterRelease(sys->text);
>>> -    vlc_mutex_destroy(&sys->textlock);
>>>  
>>>      if (sys->scale_yuvp)
>>>          FilterRelease(sys->scale_yuvp);
>>> @@ -1601,7 +1600,6 @@ static void spu_Cleanup(spu_t *spu)
>>>                               SubFilterDelProxyCallbacks, sys->vout);
>>>      filter_chain_Delete(sys->filter_chain);
>>>      free(sys->filter_chain_current);
>>> -    vlc_mutex_destroy(&sys->filter_chain_lock);
>>>      free(sys->source_chain_update);
>>>      free(sys->filter_chain_update);
>>>  
>>> @@ -1611,9 +1609,6 @@ static void spu_Cleanup(spu_t *spu)
>>>  
>>>      vlc_vector_destroy(&sys->channels);
>>>  
>>> -    vlc_mutex_destroy(&sys->lock);
>>> -
>>> -    vlc_mutex_destroy(&sys->prerender.lock);
>>>      vlc_cond_destroy(&sys->prerender.cond);
>>>      vlc_cond_destroy(&sys->prerender.output_cond);
>>>      vlc_vector_clear(&sys->prerender.vector);
>>> diff --git a/src/video_output/window.c b/src/video_output/window.c
>>> index 16ebf9ef5a..9c2df5c1e6 100644
>>> --- a/src/video_output/window.c
>>> +++ b/src/video_output/window.c
>>> @@ -82,7 +82,6 @@ vout_window_t *vout_window_New(vlc_object_t *obj, 
>>> const char *module,
>>>      w->module = vlc_module_load(window, "vout window", module, false,
>>>                                  vout_window_start, window);
>>>      if (!w->module) {
>>> -        vlc_mutex_destroy(&w->lock);
>>>          vlc_object_delete(window);
>>>          return NULL;
>>>      }
>>> @@ -141,7 +140,6 @@ void vout_window_Delete(vout_window_t *window)
>>>          window->ops->destroy(window);
>>>  
>>>      vlc_objres_clear(VLC_OBJECT(window));
>>> -    vlc_mutex_destroy(&w->lock);
>>>      vlc_object_delete(window);
>>>  }
>>>  
>>> -- 
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> _______________________________________________
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