diff --git a/stepmania/src/Actor.cpp b/stepmania/src/Actor.cpp
index a6e52919e9..95dc988db3 100644
--- a/stepmania/src/Actor.cpp
+++ b/stepmania/src/Actor.cpp
@@ -297,19 +297,6 @@ void Actor::LoadFromNode( const XNode* pNode )
 	PlayCommand( "Init" );
 }
 
-/* Like RTTI: return true if this actor is an sType (or derived from sType).
- * This uses the Lua binding check, so only works on bound types. */
-bool Actor::IsType( const RString &sType )
-{
-	Lua *L = LUA->Get();
-	this->PushSelf( L );
-	bool bRet = LuaBinding::CheckLuaObjectType( L, lua_gettop(L), sType, false );
-	lua_pop( L, 1 );
-	LUA->Release( L );
-
-	return bRet;
-}
-
 void Actor::Draw()
 {
 	if( !m_bVisible )
diff --git a/stepmania/src/Actor.h b/stepmania/src/Actor.h
index 6c9ddcf462..c6b6db5de7 100644
--- a/stepmania/src/Actor.h
+++ b/stepmania/src/Actor.h
@@ -59,7 +59,6 @@ public:
 	virtual Actor *Copy() const;
 	virtual void InitState();
 	virtual void LoadFromNode( const XNode* pNode );
-	bool IsType( const RString &sType );
 
 	static void SetBGMTime( float fTime, float fBeat );
 	static void SetBGMLight( int iLightNumber, float fCabinetLights );