diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h
index 5eae8e3406e6..1b12973fc1db 100644
--- a/sys/dev/sound/pcm/sound.h
+++ b/sys/dev/sound/pcm/sound.h
@@ -196,7 +196,6 @@ extern devclass_t pcm_devclass;
  * DDB/DEB to enable/disable debugging stuff
  * BVDDB   to enable debugging when bootverbose
  */
-#define DDB(x)	x	/* XXX */
 #define BVDDB(x) if (bootverbose) x
 
 #ifndef DEB