diff --git a/Source/Core/Core/Movie.h b/Source/Core/Core/Movie.h
index ee9f79539a..279e0aadab 100644
--- a/Source/Core/Core/Movie.h
+++ b/Source/Core/Core/Movie.h
@@ -137,7 +137,6 @@ bool IsConfigSaved();
 bool IsDualCore();
 bool IsProgressive();
 bool IsPAL60();
-bool IsSkipIdle();
 bool IsDSPHLE();
 bool IsFastDiscSpeed();
 int GetCPUMode();