diff --git a/src/RageTypes.h b/src/RageTypes.h
index 610b058329..a00d71a329 100644
--- a/src/RageTypes.h
+++ b/src/RageTypes.h
@@ -391,8 +391,6 @@ public:
 	float m[4][4];
 } SM_ALIGN(16);
 
-RageColor scale( float x, float l1, float h1, const RageColor &a, const RageColor &b );
-
 #endif
 
 /*