diff --git a/stepmania/src/Actor.h b/stepmania/src/Actor.h
index 9c01c1ec80..e747e5e94e 100644
--- a/stepmania/src/Actor.h
+++ b/stepmania/src/Actor.h
@@ -93,15 +93,11 @@ public:
 	void CopyTweening( const Actor &from );
 
 
-	CString m_sName, m_sID;
+	CString m_sName;
 
-	/* m_sName is the name actors use to look up internal metrics for themselves, and for
-	 * filenames.  m_sID is the name parents use to look up their own metrics for an actor
-	 * (usually via ActorUtil).  (This is experimental; see DifficultyMeter.cpp for more
-	 * information.) */
 	const CString &GetName() const		{ return m_sName; }
-	const CString &GetID() const		{ return m_sID.empty() ? m_sName : m_sID; }
-	virtual void SetName( const CString &sName, const CString &sID = "" ) { m_sName = sName; m_sID = sID; }
+	const CString &GetID() const		{ return m_sName; }
+	virtual void SetName( const CString &sName ) { m_sName = sName; }
 
 
 
diff --git a/stepmania/src/DifficultyList.cpp b/stepmania/src/DifficultyList.cpp
index df1e7da2b9..859f52a055 100644
--- a/stepmania/src/DifficultyList.cpp
+++ b/stepmania/src/DifficultyList.cpp
@@ -25,9 +25,9 @@ DifficultyList::~DifficultyList()
 {
 }
 
-void DifficultyList::SetName( const CString &sName, const CString &sID )
+void DifficultyList::SetName( const CString &sName )
 {
-	ActorFrame::SetName( sName, sID );
+	ActorFrame::SetName( sName );
 
 	ITEMS_SPACING_Y.Load( m_sName, "ItemsSpacingY" );
 	NUM_SHOWN_ITEMS.Load( m_sName, "NumShownItems" );
diff --git a/stepmania/src/DifficultyList.h b/stepmania/src/DifficultyList.h
index 39004ddddb..72309d1f54 100644
--- a/stepmania/src/DifficultyList.h
+++ b/stepmania/src/DifficultyList.h
@@ -16,7 +16,7 @@ class DifficultyList: public ActorFrame
 public:
 	DifficultyList();
 	virtual ~DifficultyList();
-	virtual void SetName( const CString &sName, const CString &sID = "" );
+	virtual void SetName( const CString &sName );
 
 	void Load();
 	void SetFromGameState();
diff --git a/stepmania/src/HelpDisplay.cpp b/stepmania/src/HelpDisplay.cpp
index 85fc6ed634..e131252ac6 100644
--- a/stepmania/src/HelpDisplay.cpp
+++ b/stepmania/src/HelpDisplay.cpp
@@ -30,9 +30,9 @@ void HelpDisplay::LoadFromNode( const CString& sDir, const XNode* pNode )
 	BitmapText::LoadFromNode( sDir, pNode );
 }
 
-void HelpDisplay::SetName( const CString &sName, const CString &sID )
+void HelpDisplay::SetName( const CString &sName )
 {
-	BitmapText::SetName( sName, sID );
+	BitmapText::SetName( sName );
 }
 
 void HelpDisplay::SetTips( const CStringArray &arrayTips, const CStringArray &arrayTipsAlt )
diff --git a/stepmania/src/HelpDisplay.h b/stepmania/src/HelpDisplay.h
index 5531a59063..7e14ac899b 100644
--- a/stepmania/src/HelpDisplay.h
+++ b/stepmania/src/HelpDisplay.h
@@ -22,7 +22,7 @@ public:
 	void GetTips( CStringArray &arrayTipsOut, CStringArray &arrayTipsAltOut ) const { arrayTipsOut = m_arrayTips; arrayTipsAltOut = m_arrayTipsAlt; }
 
 	virtual void Update( float fDeltaTime );
-	virtual void SetName( const CString &sName, const CString &sID = "" );
+	virtual void SetName( const CString &sName );
 
 	// Lua
 	virtual void PushSelf( lua_State *L );