diff --git a/spa/plugins/audiomixer/audiomixer.c b/spa/plugins/audiomixer/audiomixer.c
index 90e8c1a0a..f6b81322b 100644
--- a/spa/plugins/audiomixer/audiomixer.c
+++ b/spa/plugins/audiomixer/audiomixer.c
@@ -246,8 +246,7 @@ static int impl_node_add_port(void *object, enum spa_direction direction, uint32
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS |
-			   SPA_PORT_FLAG_REMOVABLE |
+	port->info.flags = SPA_PORT_FLAG_REMOVABLE |
 			   SPA_PORT_FLAG_OPTIONAL |
 			   SPA_PORT_FLAG_IN_PLACE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
@@ -552,6 +551,7 @@ static int
 impl_node_port_use_buffers(void *object,
 			   enum spa_direction direction,
 			   uint32_t port_id,
+			   uint32_t flags,
 			   struct spa_buffer **buffers,
 			   uint32_t n_buffers)
 {
@@ -599,18 +599,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction, uint32_t port_id,
@@ -857,7 +845,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -936,8 +923,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->id = 0;
 	port->info = SPA_PORT_INFO_INIT();
 	port->info.change_mask |= SPA_PORT_CHANGE_MASK_FLAGS;
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS |
-			   SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
 	port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
diff --git a/spa/plugins/audiotestsrc/audiotestsrc.c b/spa/plugins/audiotestsrc/audiotestsrc.c
index acddf3d7b..2b21a7c71 100644
--- a/spa/plugins/audiotestsrc/audiotestsrc.c
+++ b/spa/plugins/audiotestsrc/audiotestsrc.c
@@ -751,6 +751,7 @@ static int
 impl_node_port_use_buffers(void *object,
 			   enum spa_direction direction,
 			   uint32_t port_id,
+			   uint32_t flags,
 			   struct spa_buffer **buffers,
 			   uint32_t n_buffers)
 {
@@ -793,30 +794,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	struct impl *this = object;
-	struct port *port;
-
-	spa_return_val_if_fail(this != NULL, -EINVAL);
-
-	spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
-
-	port = &this->port;
-
-	if (!port->have_format)
-		return -EIO;
-
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction,
@@ -941,7 +918,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -1056,7 +1032,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS | SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	if (this->props.live)
 		this->info.flags |= SPA_PORT_FLAG_LIVE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
diff --git a/spa/plugins/ffmpeg/ffmpeg-dec.c b/spa/plugins/ffmpeg/ffmpeg-dec.c
index 01c84f1c7..e2d9f7d14 100644
--- a/spa/plugins/ffmpeg/ffmpeg-dec.c
+++ b/spa/plugins/ffmpeg/ffmpeg-dec.c
@@ -342,6 +342,7 @@ static int
 impl_node_port_use_buffers(void *object,
 				     enum spa_direction direction,
 				     uint32_t port_id,
+				     uint32_t flags,
 				     struct spa_buffer **buffers,
 				     uint32_t n_buffers)
 {
@@ -354,18 +355,6 @@ impl_node_port_use_buffers(void *object,
 	return -ENOTSUP;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-				       enum spa_direction direction,
-				       uint32_t port_id,
-				       struct spa_pod **params,
-				       uint32_t n_params,
-				       struct spa_buffer **buffers,
-				       uint32_t *n_buffers)
-{
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 				enum spa_direction direction,
@@ -440,7 +429,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
diff --git a/spa/plugins/ffmpeg/ffmpeg-enc.c b/spa/plugins/ffmpeg/ffmpeg-enc.c
index 04f7046d2..b96f8a1ac 100644
--- a/spa/plugins/ffmpeg/ffmpeg-enc.c
+++ b/spa/plugins/ffmpeg/ffmpeg-enc.c
@@ -322,6 +322,7 @@ static int
 impl_node_port_use_buffers(void *object,
 				     enum spa_direction direction,
 				     uint32_t port_id,
+				     uint32_t flags,
 				     struct spa_buffer **buffers, uint32_t n_buffers)
 {
 	if (object == NULL)
@@ -333,18 +334,6 @@ impl_node_port_use_buffers(void *object,
 	return -ENOTSUP;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-				       enum spa_direction direction,
-				       uint32_t port_id,
-				       struct spa_pod **params,
-				       uint32_t n_params,
-				       struct spa_buffer **buffers,
-				       uint32_t *n_buffers)
-{
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 				enum spa_direction direction,
@@ -419,7 +408,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
diff --git a/spa/plugins/test/fakesink.c b/spa/plugins/test/fakesink.c
index 669d33b62..20c024392 100644
--- a/spa/plugins/test/fakesink.c
+++ b/spa/plugins/test/fakesink.c
@@ -557,6 +557,7 @@ static int
 impl_node_port_use_buffers(void *object,
 			   enum spa_direction direction,
 			   uint32_t port_id,
+			   uint32_t flags,
 			   struct spa_buffer **buffers,
 			   uint32_t n_buffers)
 {
@@ -595,28 +596,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	struct impl *this = object;
-	struct port *port;
-
-	spa_return_val_if_fail(this != NULL, -EINVAL);
-	spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
-	port = &this->port;
-
-	if (!port->have_format)
-		return -EIO;
-
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction,
@@ -694,7 +673,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -800,7 +778,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS | SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	if (this->props.live)
 		port->info.flags |= SPA_PORT_FLAG_LIVE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
diff --git a/spa/plugins/test/fakesrc.c b/spa/plugins/test/fakesrc.c
index e0cf865f0..0b4ae8959 100644
--- a/spa/plugins/test/fakesrc.c
+++ b/spa/plugins/test/fakesrc.c
@@ -572,10 +572,9 @@ impl_node_port_set_param(void *object,
 
 static int
 impl_node_port_use_buffers(void *object,
-			   enum spa_direction direction,
-			   uint32_t port_id,
-			   struct spa_buffer **buffers,
-			   uint32_t n_buffers)
+		enum spa_direction direction, uint32_t flags,
+		uint32_t port_id,
+		struct spa_buffer **buffers, uint32_t n_buffers)
 {
 	struct impl *this = object;
 	struct port *port;
@@ -614,28 +613,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	struct impl *this = object;
-	struct port *port;
-
-	spa_return_val_if_fail(this != NULL, -EINVAL);
-	spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
-	port = &this->port;
-
-	if (!port->have_format)
-		return -EIO;
-
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction,
@@ -730,7 +707,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -835,7 +811,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS | SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	if (this->props.live)
 		port->info.flags |= SPA_PORT_FLAG_LIVE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
diff --git a/spa/plugins/videotestsrc/videotestsrc.c b/spa/plugins/videotestsrc/videotestsrc.c
index 92caed857..529c1d754 100644
--- a/spa/plugins/videotestsrc/videotestsrc.c
+++ b/spa/plugins/videotestsrc/videotestsrc.c
@@ -672,6 +672,7 @@ static int
 impl_node_port_use_buffers(void *object,
 			   enum spa_direction direction,
 			   uint32_t port_id,
+			   uint32_t flags,
 			   struct spa_buffer **buffers,
 			   uint32_t n_buffers)
 {
@@ -712,28 +713,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	struct impl *this = object;
-	struct port *port;
-
-	spa_return_val_if_fail(this != NULL, -EINVAL);
-	spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
-	port = &this->port;
-
-	if (!port->have_format)
-		return -EIO;
-
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction,
@@ -824,7 +803,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -931,7 +909,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_PORT_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS | SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	if (this->props.live)
 		this->info.flags |= SPA_PORT_FLAG_LIVE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
diff --git a/spa/plugins/volume/volume.c b/spa/plugins/volume/volume.c
index b08ed7c75..3ca4921fe 100644
--- a/spa/plugins/volume/volume.c
+++ b/spa/plugins/volume/volume.c
@@ -502,6 +502,7 @@ static int
 impl_node_port_use_buffers(void *object,
 			   enum spa_direction direction,
 			   uint32_t port_id,
+			   uint32_t flags,
 			   struct spa_buffer **buffers,
 			   uint32_t n_buffers)
 {
@@ -547,18 +548,6 @@ impl_node_port_use_buffers(void *object,
 	return 0;
 }
 
-static int
-impl_node_port_alloc_buffers(void *object,
-			     enum spa_direction direction,
-			     uint32_t port_id,
-			     struct spa_pod **params,
-			     uint32_t n_params,
-			     struct spa_buffer **buffers,
-			     uint32_t *n_buffers)
-{
-	return -ENOTSUP;
-}
-
 static int
 impl_node_port_set_io(void *object,
 		      enum spa_direction direction,
@@ -743,7 +732,6 @@ static const struct spa_node_methods impl_node = {
 	.port_enum_params = impl_node_port_enum_params,
 	.port_set_param = impl_node_port_set_param,
 	.port_use_buffers = impl_node_port_use_buffers,
-	.port_alloc_buffers = impl_node_port_alloc_buffers,
 	.port_set_io = impl_node_port_set_io,
 	.port_reuse_buffer = impl_node_port_reuse_buffer,
 	.process = impl_node_process,
@@ -826,8 +814,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_NODE_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS |
-	    SPA_PORT_FLAG_IN_PLACE;
+	port->info.flags = SPA_PORT_FLAG_IN_PLACE;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
 	port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
 	port->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
@@ -843,8 +830,7 @@ impl_init(const struct spa_handle_factory *factory,
 	port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
 			SPA_NODE_CHANGE_MASK_PARAMS;
 	port->info = SPA_PORT_INFO_INIT();
-	port->info.flags = SPA_PORT_FLAG_CAN_USE_BUFFERS |
-	    SPA_PORT_FLAG_NO_REF;
+	port->info.flags = SPA_PORT_FLAG_NO_REF;
 	port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
 	port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
 	port->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);