diff --git a/stepmania/src/GameSoundManager.h b/stepmania/src/GameSoundManager.h
index 2049548d91..eec6f193fb 100644
--- a/stepmania/src/GameSoundManager.h
+++ b/stepmania/src/GameSoundManager.h
@@ -7,7 +7,6 @@
 
 class TimingData;
 class RageSound;
-struct RageSoundParams;
 struct lua_State;
 
 class GameSoundManager