diff --git a/sys/dev/sound/midi/mpu401.c b/sys/dev/sound/midi/mpu401.c
--- a/sys/dev/sound/midi/mpu401.c
+++ b/sys/dev/sound/midi/mpu401.c
@@ -88,8 +88,6 @@
 static int mpu401_moutqsize(struct snd_midi *, void *);
 static void mpu401_mcallback(struct snd_midi *, void *, int);
 static void mpu401_mcallbackp(struct snd_midi *, void *, int);
-static const char *mpu401_mdescr(struct snd_midi *, void *, int);
-static const char *mpu401_mprovider(struct snd_midi *, void *);
 
 static kobj_method_t mpu401_methods[] = {
 	KOBJMETHOD(mpu_init, mpu401_minit),
@@ -98,8 +96,6 @@
 	KOBJMETHOD(mpu_outqsize, mpu401_moutqsize),
 	KOBJMETHOD(mpu_callback, mpu401_mcallback),
 	KOBJMETHOD(mpu_callbackp, mpu401_mcallbackp),
-	KOBJMETHOD(mpu_descr, mpu401_mdescr),
-	KOBJMETHOD(mpu_provider, mpu401_mprovider),
 	KOBJMETHOD_END
 };
 
@@ -281,16 +277,3 @@
 /*	printf("mpu401_callbackp\n"); */
 	mpu401_mcallback(sm, arg, flags);
 }
-
-static const char *
-mpu401_mdescr(struct snd_midi *sm, void *arg, int verbosity)
-{
-
-	return "descr mpu401";
-}
-
-static const char *
-mpu401_mprovider(struct snd_midi *m, void *arg)
-{
-	return "provider mpu401";
-}
diff --git a/sys/dev/sound/midi/mpu_if.m b/sys/dev/sound/midi/mpu_if.m
--- a/sys/dev/sound/midi/mpu_if.m
+++ b/sys/dev/sound/midi/mpu_if.m
@@ -56,17 +56,6 @@
 	int	_flags;
 };
 
-METHOD const char * provider {
-	struct snd_midi *_kobj;
-	void   *_cookie;
-};
-
-METHOD const char * descr {
-	struct snd_midi *_kobj;
-	void   *_cookie;
-	int	_verbosity;
-};
-
 METHOD int uninit {
 	struct snd_midi *_kobj;
 	void   *_cookie;