diff --git a/xbmc/cores/AudioEngine/Sinks/AESinkDARWINIOS.cpp b/xbmc/cores/AudioEngine/Sinks/AESinkDARWINIOS.cpp
index fa49cba2fb90f..0043934b441df 100644
--- a/xbmc/cores/AudioEngine/Sinks/AESinkDARWINIOS.cpp
+++ b/xbmc/cores/AudioEngine/Sinks/AESinkDARWINIOS.cpp
@@ -252,7 +252,6 @@ unsigned int CAAudioUnitSink::write(uint8_t *data, unsigned int frames)
 
 void CAAudioUnitSink::drain()
 {
-  CCriticalSection mutex;
   unsigned int bytes = m_buffer->GetReadSize();
   while (bytes)
   {
diff --git a/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp b/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp
index ad914d8856d7e..a9e123dbb13bf 100644
--- a/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp
+++ b/xbmc/cores/AudioEngine/Sinks/AESinkDARWINOSX.cpp
@@ -576,7 +576,6 @@ unsigned int CAESinkDARWINOSX::AddPackets(uint8_t *data, unsigned int frames, bo
 
 void CAESinkDARWINOSX::Drain()
 {
-  CCriticalSection mutex;
   int bytes = m_buffer->GetReadSize();
   while (bytes)
   {