diff --git a/src/framework/audio/devtools/audioenginedevtools.cpp b/src/framework/audio/devtools/audioenginedevtools.cpp
index 6c99ad35f729..1c75b36f60bf 100644
--- a/src/framework/audio/devtools/audioenginedevtools.cpp
+++ b/src/framework/audio/devtools/audioenginedevtools.cpp
@@ -163,14 +163,12 @@ void AudioEngineDevTools::stopSequencerMidi()
 void AudioEngineDevTools::playPlayerMidi()
 {
     makeArpeggio();
-    m_threadMIDIPlayer = sequencer()->instantlyPlayMidi(m_midiStream->initData);
+    sequencer()->instantlyPlayMidi(m_midiStream->initData);
 }
 
 void AudioEngineDevTools::stopPlayerMidi()
 {
-    if (auto player = m_threadMIDIPlayer.lock()) {
-        player->stop();
-    }
+    NOT_IMPLEMENTED;
 }
 
 void AudioEngineDevTools::play()
diff --git a/src/framework/audio/internal/rpc/rpcsequencer.cpp b/src/framework/audio/internal/rpc/rpcsequencer.cpp
index 389abc35d57b..82d2d61f9218 100644
--- a/src/framework/audio/internal/rpc/rpcsequencer.cpp
+++ b/src/framework/audio/internal/rpc/rpcsequencer.cpp
@@ -177,20 +177,11 @@ float RpcSequencer::playbackPosition() const
     return m_playbackPosition;
 }
 
-ISequencer::MidiTrack RpcSequencer::instantlyPlayMidi(const midi::MidiData& data)
+void RpcSequencer::instantlyPlayMidi(const midi::MidiData& data)
 {
     if (rpcChannel()->isSerialized()) {
         NOT_IMPLEMENTED;
     } else {
         rpcChannel()->send(Msg(m_target, "instantlyPlayMidi", Args::make_arg1<midi::MidiData>(data)));
     }
-
-    //! TODO It is necessary to remove the return of the pointer to the player object.
-    //! This is thread-unsafe code, see https://github.com/musescore/MuseScore/pull/6848#discussion_r558445611
-    //! If we need to control this playback, then we need to
-    //! add the generation of the ID,
-    //! transfer it to the real sequencer,
-    //! return this ID from the method,
-    //! and add methods for control by passing this ID to them.
-    return nullptr;
 }
diff --git a/src/framework/audio/internal/rpc/rpcsequencer.h b/src/framework/audio/internal/rpc/rpcsequencer.h
index 4b22fd52979c..e95363d578ed 100644
--- a/src/framework/audio/internal/rpc/rpcsequencer.h
+++ b/src/framework/audio/internal/rpc/rpcsequencer.h
@@ -55,7 +55,7 @@ class RpcSequencer : public ISequencer
     async::Notification positionChanged() const override;
     async::Channel<mu::midi::tick_t> midiTickPlayed(TrackID id) const override;
 
-    MidiTrack instantlyPlayMidi(const midi::MidiData& data) override;
+    void instantlyPlayMidi(const midi::MidiData& data) override;
 
 private:
     Target m_target;
diff --git a/src/framework/audio/internal/sequencer.cpp b/src/framework/audio/internal/sequencer.cpp
index fa22b4443a72..68fc74daed75 100644
--- a/src/framework/audio/internal/sequencer.cpp
+++ b/src/framework/audio/internal/sequencer.cpp
@@ -251,10 +251,10 @@ Sequencer::AudioTrack Sequencer::audioTrack(TrackID id) const
     return nullptr;
 }
 
-std::shared_ptr<IMIDIPlayer> Sequencer::instantlyPlayMidi(const midi::MidiData& data)
+void Sequencer::instantlyPlayMidi(const midi::MidiData& data)
 {
     if (!data.isValid()) {
-        return nullptr;
+        return;
     }
     auto player = std::make_shared<MIDIPlayer>();
     auto midiStream = std::make_shared<midi::MidiStream>();
@@ -266,5 +266,4 @@ std::shared_ptr<IMIDIPlayer> Sequencer::instantlyPlayMidi(const midi::MidiData&
     player->run();
 
     m_backgroudPlayers.push_back({ 0 /*ms*/, player });
-    return player;
 }
diff --git a/src/framework/audio/internal/sequencer.h b/src/framework/audio/internal/sequencer.h
index 04754bd048e6..bb6a8fd2715e 100644
--- a/src/framework/audio/internal/sequencer.h
+++ b/src/framework/audio/internal/sequencer.h
@@ -57,7 +57,7 @@ class Sequencer : public ISequencer, public async::Asyncable
     async::Notification positionChanged() const override;
     float playbackPosition() const override;
 
-    std::shared_ptr<IMIDIPlayer> instantlyPlayMidi(const midi::MidiData& data) override;
+    void instantlyPlayMidi(const midi::MidiData& data) override;
 
 private:
     void setStatus(Status status);
diff --git a/src/framework/audio/isequencer.h b/src/framework/audio/isequencer.h
index fa39ff99a21a..a6c0187222cc 100644
--- a/src/framework/audio/isequencer.h
+++ b/src/framework/audio/isequencer.h
@@ -65,7 +65,8 @@ class ISequencer : MODULE_EXPORT_INTERFACE
 
     //!return position in seconds
     virtual float playbackPosition() const = 0;
-    virtual MidiTrack instantlyPlayMidi(const midi::MidiData& data) = 0;
+
+    virtual void instantlyPlayMidi(const midi::MidiData& data) = 0;
 };
 
 using ISequencerPtr = std::shared_ptr<ISequencer>;
diff --git a/thirdparty/stb/stb_vorbis.c b/thirdparty/stb/stb_vorbis.c
index a8cbfa6c23aa..b0348bdfd74d 100644
--- a/thirdparty/stb/stb_vorbis.c
+++ b/thirdparty/stb/stb_vorbis.c
@@ -3055,7 +3055,7 @@ typedef int16 YTYPE;
 #else
 typedef int YTYPE;
 #endif
-static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 *step2_flag)
+static int do_floor(vorb *f, Mapping *map, int i, int n, float *target, YTYPE *finalY, uint8 */*step2_flag*/)
 {
    int n2 = n >> 1;
    int s = map->chan[i].mux, floor;
@@ -3162,7 +3162,7 @@ static int vorbis_decode_initial(vorb *f, int *p_left_start, int *p_left_end, in
    return TRUE;
 }
 
-static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int left_end, int right_start, int right_end, int *p_left)
+static int vorbis_decode_packet_rest(vorb *f, int *len, Mode *m, int left_start, int /*left_end*/, int right_start, int right_end, int *p_left)
 {
    Mapping *map;
    int i,j,k,n,n2;