diff --git a/stepmania/src/RageSoundManager.cpp b/stepmania/src/RageSoundManager.cpp
index cc563148df..c15f36d69c 100644
--- a/stepmania/src/RageSoundManager.cpp
+++ b/stepmania/src/RageSoundManager.cpp
@@ -144,20 +144,6 @@ int RageSoundManager::GetUniqueID()
 	return ++iID;
 }
 
-void RageSoundManager::RegisterPlayingSound( RageSound *p )
-{
-	g_SoundManMutex.Lock(); /* lock for access to playing_sounds */
-	SOUNDMAN->playing_sounds.insert( p );
-	g_SoundManMutex.Unlock(); /* finished with playing_sounds */
-}
-
-void RageSoundManager::UnregisterPlayingSound( RageSound *p )
-{
-	g_SoundManMutex.Lock(); /* lock for access to playing_sounds */
-	SOUNDMAN->playing_sounds.erase( p );
-	g_SoundManMutex.Unlock(); /* finished with playing_sounds */
-}
-
 void RageSoundManager::CommitPlayingPosition( int ID, int64_t frameno, int pos, int got_frames )
 {
 	/* This can be called from realtime threads; don't lock any mutexes. */
diff --git a/stepmania/src/RageSoundManager.h b/stepmania/src/RageSoundManager.h
index dabb9aaff8..0997ac3573 100644
--- a/stepmania/src/RageSoundManager.h
+++ b/stepmania/src/RageSoundManager.h
@@ -47,8 +47,6 @@ public:
 	void RegisterSound( RageSound *p );		/* used by RageSound */
 	void UnregisterSound( RageSound *p );	/* used by RageSound */
 	int GetUniqueID();						/* used by RageSound */
-	void RegisterPlayingSound( RageSound *p );	/* used by RageSound */
-	void UnregisterPlayingSound( RageSound *p );	/* used by RageSound */
 	void CommitPlayingPosition( int ID, int64_t frameno, int pos, int got_bytes );	/* used by drivers */
 	float GetPlayLatency() const;
 	int GetDriverSampleRate( int rate ) const;