diff --git a/sys/dev/sound/pcm/feeder.h b/sys/dev/sound/pcm/feeder.h
--- a/sys/dev/sound/pcm/feeder.h
+++ b/sys/dev/sound/pcm/feeder.h
@@ -30,7 +30,6 @@
 struct pcm_feederdesc {
 	u_int32_t type;
 	u_int32_t in, out;
-	u_int32_t flags;
 };
 
 struct feeder_class {
@@ -69,7 +68,7 @@
 	.name =		#feeder,					\
 	.methods =	feeder ## _methods,				\
 	.size =		sizeof(struct pcm_feeder),			\
-	.desc =		{ type, 0, 0, 0 },				\
+	.desc =		{ type, 0, 0 },					\
 	.data =		pdata,						\
 };									\
 SYSINIT(feeder, SI_SUB_DRIVERS, SI_ORDER_ANY, feeder_register,		\
diff --git a/sys/dev/sound/pcm/feeder.c b/sys/dev/sound/pcm/feeder.c
--- a/sys/dev/sound/pcm/feeder.c
+++ b/sys/dev/sound/pcm/feeder.c
@@ -97,8 +97,7 @@
 {
 	return ((n->type == m->type) &&
 		((n->in == 0) || (n->in == m->in)) &&
-		((n->out == 0) || (n->out == m->out)) &&
-		(n->flags == m->flags));
+		((n->out == 0) || (n->out == m->out)));
 }
 
 static void
@@ -130,7 +129,6 @@
 		f->desc->type = FEEDER_ROOT;
 		f->desc->in = 0;
 		f->desc->out = 0;
-		f->desc->flags = 0;
 	}
 
 	err = FEEDER_INIT(f);
diff --git a/sys/dev/sound/pcm/feeder_chain.c b/sys/dev/sound/pcm/feeder_chain.c
--- a/sys/dev/sound/pcm/feeder_chain.c
+++ b/sys/dev/sound/pcm/feeder_chain.c
@@ -147,7 +147,6 @@
 	desc->type = FEEDER_FORMAT;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {
@@ -220,7 +219,6 @@
 	desc->type = FEEDER_RATE;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {
@@ -298,7 +296,6 @@
 	desc->type = FEEDER_MATRIX;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {
@@ -355,7 +352,6 @@
 	desc->type = FEEDER_VOLUME;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {
@@ -423,7 +419,6 @@
 	desc->type = FEEDER_EQ;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {
@@ -503,7 +498,6 @@
 	desc->type = FEEDER_MIXER;
 	desc->in = 0;
 	desc->out = 0;
-	desc->flags = 0;
 
 	fc = feeder_getclass(desc);
 	if (fc == NULL) {