diff --git a/sys/dev/sound/pcm/channel.h b/sys/dev/sound/pcm/channel.h
--- a/sys/dev/sound/pcm/channel.h
+++ b/sys/dev/sound/pcm/channel.h
@@ -307,11 +307,7 @@
 int chn_syncdestroy(struct pcm_channel *c);
 
 #define CHN_SETVOLUME(...)		chn_setvolume_matrix(__VA_ARGS__)
-#if defined(SND_DIAGNOSTIC) || defined(INVARIANTS)
 #define CHN_GETVOLUME(...)		chn_getvolume_matrix(__VA_ARGS__)
-#else
-#define CHN_GETVOLUME(x, y, z)		((x)->volume[y][z])
-#endif
 
 #define CHN_GETMUTE(x, y, z)		((x)->muted[y][z])