diff --git a/module_usb_aud_shared/iic/iic.xc b/module_usb_aud_shared/iic/iic.xc
index 5d6c1683..8b29a8eb 100755
--- a/module_usb_aud_shared/iic/iic.xc
+++ b/module_usb_aud_shared/iic/iic.xc
@@ -18,7 +18,6 @@
 #include <stdio.h>
 #include "print.h"
 #include "iic.h"
-#include "freqConst.h"
 
 #define EXPECT_ACK 0