diff --git a/stepmania/src/RageSoundReader_Chain.cpp b/stepmania/src/RageSoundReader_Chain.cpp
index fde49bfe1f..e7780b5be8 100644
--- a/stepmania/src/RageSoundReader_Chain.cpp
+++ b/stepmania/src/RageSoundReader_Chain.cpp
@@ -301,27 +301,6 @@ float RageSoundReader_Chain::GetStreamToSourceRatio() const
 	return iRate;
 }
 
-/* Find the next sound we'll need to start, if any.  m_aSounds is sorted by time. */
-unsigned RageSoundReader_Chain::GetNextSoundIndex() const
-{
-	unsigned iNextSound = 0;
-	while( iNextSound < m_aSounds.size() )
-	{
-		if( m_iCurrentFrame <= m_aSounds[iNextSound].GetOffsetFrame(m_iActualSampleRate) ||
-			m_aSounds[iNextSound].pSound == NULL )
-			break;
-		if( m_aSounds[iNextSound].pSound )
-		++iNextSound;
-	}
-
-	while( iNextSound < m_aSounds.size() &&
-		m_iCurrentFrame > m_aSounds[iNextSound].GetOffsetFrame(m_iActualSampleRate) &&
-		m_aSounds[iNextSound].pSound
-		)
-		++iNextSound;
-	return iNextSound;
-}
-
 /* As we iterate through the sound tree, we'll find that we need data from different
  * sounds; a sound may be needed by more than one other sound. */
 int RageSoundReader_Chain::ReadBlock( int16_t *pBuffer, int iFrames )
diff --git a/stepmania/src/RageSoundReader_Chain.h b/stepmania/src/RageSoundReader_Chain.h
index dd81dbe49d..f7d95f230e 100644
--- a/stepmania/src/RageSoundReader_Chain.h
+++ b/stepmania/src/RageSoundReader_Chain.h
@@ -64,7 +64,6 @@ private:
 		bool operator<( const Sound &rhs ) const { return iOffsetMS < rhs.iOffsetMS; }
 	};
 	vector<Sound> m_aSounds;
-	unsigned GetNextSoundIndex() const;
 
 	/* Read state: */
 	int m_iCurrentFrame;