diff --git a/module_usb_audio/main.xc b/module_usb_audio/main.xc
index 93cef778..28ddd626 100755
--- a/module_usb_audio/main.xc
+++ b/module_usb_audio/main.xc
@@ -47,8 +47,6 @@
 #include "pcm_pdm_mic.h"
 #endif
 
-void genclock();
-
 [[distributable]]
 void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd);