diff --git a/src/synth/vco.h b/src/synth/vco.h
index d447869..5bbbcf3 100644
--- a/src/synth/vco.h
+++ b/src/synth/vco.h
@@ -4,7 +4,6 @@
 #define	_VCO_H_
 
 #include "synth_types.h"
-#include "noise.h"
 #include "sine.h"
 #include "blit.h"
 #include "wavetable.h"