diff --git a/Source/Core/AudioCommon/AlsaSoundStream.cpp b/Source/Core/AudioCommon/AlsaSoundStream.cpp
index 8008e1bd00..c45d7bee1c 100644
--- a/Source/Core/AudioCommon/AlsaSoundStream.cpp
+++ b/Source/Core/AudioCommon/AlsaSoundStream.cpp
@@ -41,11 +41,6 @@ bool AlsaSound::Init()
   return true;
 }
 
-void AlsaSound::Update()
-{
-  // don't need to do anything here.
-}
-
 // Called on audio thread.
 void AlsaSound::SoundLoop()
 {
diff --git a/Source/Core/AudioCommon/AlsaSoundStream.h b/Source/Core/AudioCommon/AlsaSoundStream.h
index d4f7d02150..8926cb34a6 100644
--- a/Source/Core/AudioCommon/AlsaSoundStream.h
+++ b/Source/Core/AudioCommon/AlsaSoundStream.h
@@ -24,7 +24,6 @@ public:
 
   bool Init() override;
   void SoundLoop() override;
-  void Update() override;
   bool SetRunning(bool running) override;
 
   static bool isValid() { return true; }
diff --git a/Source/Core/AudioCommon/AudioCommon.cpp b/Source/Core/AudioCommon/AudioCommon.cpp
index 6623b5ad8b..4b1b812f94 100644
--- a/Source/Core/AudioCommon/AudioCommon.cpp
+++ b/Source/Core/AudioCommon/AudioCommon.cpp
@@ -197,8 +197,6 @@ void SendAIBuffer(const short* samples, unsigned int num_samples)
   {
     pMixer->PushSamples(samples, num_samples);
   }
-
-  g_sound_stream->Update();
 }
 
 void StartAudioDump()
diff --git a/Source/Core/AudioCommon/NullSoundStream.cpp b/Source/Core/AudioCommon/NullSoundStream.cpp
index 0918e8bb35..fb97f23667 100644
--- a/Source/Core/AudioCommon/NullSoundStream.cpp
+++ b/Source/Core/AudioCommon/NullSoundStream.cpp
@@ -20,7 +20,3 @@ bool NullSound::SetRunning(bool running)
 void NullSound::SetVolume(int volume)
 {
 }
-
-void NullSound::Update()
-{
-}
diff --git a/Source/Core/AudioCommon/NullSoundStream.h b/Source/Core/AudioCommon/NullSoundStream.h
index 0a39250c99..91cf113e7d 100644
--- a/Source/Core/AudioCommon/NullSoundStream.h
+++ b/Source/Core/AudioCommon/NullSoundStream.h
@@ -12,7 +12,6 @@ public:
   void SoundLoop() override;
   bool SetRunning(bool running) override;
   void SetVolume(int volume) override;
-  void Update() override;
 
   static bool isValid() { return true; }
 };
diff --git a/Source/Core/AudioCommon/OpenALStream.cpp b/Source/Core/AudioCommon/OpenALStream.cpp
index 96b2a5d628..b2e61dae98 100644
--- a/Source/Core/AudioCommon/OpenALStream.cpp
+++ b/Source/Core/AudioCommon/OpenALStream.cpp
@@ -126,9 +126,6 @@ bool OpenALStream::Init()
 OpenALStream::~OpenALStream()
 {
   m_run_thread.Clear();
-  // kick the thread if it's waiting
-  m_sound_sync_event.Set();
-
   m_thread.join();
 
   palSourceStop(m_source);
@@ -155,11 +152,6 @@ void OpenALStream::SetVolume(int volume)
     palSourcef(m_source, AL_GAIN, m_volume);
 }
 
-void OpenALStream::Update()
-{
-  m_sound_sync_event.Set();
-}
-
 bool OpenALStream::SetRunning(bool running)
 {
   if (running)
diff --git a/Source/Core/AudioCommon/OpenALStream.h b/Source/Core/AudioCommon/OpenALStream.h
index 962e7a2ac4..4fb858069b 100644
--- a/Source/Core/AudioCommon/OpenALStream.h
+++ b/Source/Core/AudioCommon/OpenALStream.h
@@ -59,7 +59,6 @@ public:
   void SoundLoop() override;
   void SetVolume(int volume) override;
   bool SetRunning(bool running) override;
-  void Update() override;
 
   static bool isValid();
 
@@ -67,8 +66,6 @@ private:
   std::thread m_thread;
   Common::Flag m_run_thread;
 
-  Common::Event m_sound_sync_event;
-
   std::vector<short> m_realtime_buffer;
   std::array<ALuint, OAL_BUFFERS> m_buffers;
   ALuint m_source;
diff --git a/Source/Core/AudioCommon/SoundStream.h b/Source/Core/AudioCommon/SoundStream.h
index 1b3300ae97..dd6deecf9b 100644
--- a/Source/Core/AudioCommon/SoundStream.h
+++ b/Source/Core/AudioCommon/SoundStream.h
@@ -21,7 +21,6 @@ public:
   virtual bool Init() { return false; }
   virtual void SetVolume(int) {}
   virtual void SoundLoop() {}
-  virtual void Update() {}
   // Returns true if successful.
   virtual bool SetRunning(bool running) { return false; }
 };