diff --git a/module_usb_audio/commands.h b/module_usb_audio/commands.h
index c9c5160e..c0339859 100644
--- a/module_usb_audio/commands.h
+++ b/module_usb_audio/commands.h
@@ -22,11 +22,9 @@
 #define SET_SMUX                7
 
 /* c_audioControl */
+//TODO should be an enum
 #define SET_SAMPLE_FREQ         4
-#define SET_CHAN_COUNT_IN       5
-#define SET_CHAN_COUNT_OUT      6
 #define SET_DSD_MODE            7
-
 #define SET_STREAM_FORMAT_OUT   8
 #define SET_STREAM_FORMAT_IN    9