diff --git a/stepmania/src/RageSoundManager.cpp b/stepmania/src/RageSoundManager.cpp
index deb6112e41..f63a89a024 100644
--- a/stepmania/src/RageSoundManager.cpp
+++ b/stepmania/src/RageSoundManager.cpp
@@ -112,7 +112,7 @@ int64_t RageSoundManager::GetPosition( const RageSoundBase *pSound ) const
 	return m_pDriver->GetPosition( pSound );
 }
 
-void RageSoundManager::Update( float fDeltaTime )
+void RageSoundManager::Update()
 {
 	FlushPosMapQueue();
 
diff --git a/stepmania/src/RageSoundManager.h b/stepmania/src/RageSoundManager.h
index 8575e61b1d..4e42436de9 100644
--- a/stepmania/src/RageSoundManager.h
+++ b/stepmania/src/RageSoundManager.h
@@ -33,7 +33,7 @@ public:
 	bool GetPlayOnlyCriticalSounds() const { return m_bPlayOnlyCriticalSounds; }
 	void SetPlayOnlyCriticalSounds( bool bPlayOnlyCriticalSounds );
 
-	void Update( float fDeltaTime );
+	void Update();
 	void StartMixing( RageSoundBase *snd );	/* used by RageSound */
 	void StopMixing( RageSoundBase *snd );	/* used by RageSound */
 	bool Pause( RageSoundBase *snd, bool bPause );	/* used by RageSound */