diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h
index 31cd318369e900641af911ff0838cf21b43a6d50..8e4d946a130c54b54ea5389a020a2967aad85bbe 100644
--- a/sound/usb/line6/driver.h
+++ b/sound/usb/line6/driver.h
@@ -48,10 +48,6 @@
 
 #define LINE6_CHANNEL_MASK 0x0f
 
-#define MISSING_CASE	\
-	pr_err("line6usb driver bug: missing case in %s:%d\n", \
-		__FILE__, __LINE__)
-
 #define CHECK_RETURN(x)		\
 do {				\
 	err = x;		\
diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c
index 1e77d0d9da17f08ff527b66cd5a41599e53229ea..39034c7681dafd15416f45b920b912ac7e253434 100644
--- a/sound/usb/line6/pcm.c
+++ b/sound/usb/line6/pcm.c
@@ -488,9 +488,6 @@ int snd_line6_prepare(struct snd_pcm_substream *substream)
 			line6_unlink_wait_clear_audio_in_urbs(line6pcm);
 
 		break;
-
-	default:
-		MISSING_CASE;
 	}
 
 	if (!test_and_set_bit(LINE6_INDEX_PREPARED, &line6pcm->flags)) {