diff --git a/spa/include/spa/graph/graph.h b/spa/include/spa/graph/graph.h
index 54367d97c..25b1d7405 100644
--- a/spa/include/spa/graph/graph.h
+++ b/spa/include/spa/graph/graph.h
@@ -110,7 +110,7 @@ struct spa_graph_node {
 	struct spa_list link;		/**< link in graph nodes list */
 	struct spa_graph *graph;	/**< owner graph */
 	struct spa_list ports[2];	/**< list of input and output ports */
-	struct spa_list links;		/**< list of links */
+	struct spa_list links;		/**< list of links to next nodes */
 	uint32_t flags;			/**< node flags */
 	struct spa_graph_state *state;	/**< state of the node */
 	struct spa_graph_link graph_link;	/**< link in graph */
diff --git a/src/examples/export-source.c b/src/examples/export-source.c
index eb2c4c370..788c0ff84 100644
--- a/src/examples/export-source.c
+++ b/src/examples/export-source.c
@@ -95,8 +95,6 @@ struct data {
 
 	struct spa_pod_double *ctrl_volume;
 
-	uint8_t buffer[1024];
-
 	struct spa_audio_info_raw format;
 
 	struct buffer buffers[32];
diff --git a/src/examples/video-play.c b/src/examples/video-play.c
index 6869a2df7..d8f24f213 100644
--- a/src/examples/video-play.c
+++ b/src/examples/video-play.c
@@ -135,6 +135,8 @@ on_stream_new_buffer(void *_data, uint32_t id)
 
 	buf = pw_stream_peek_buffer(stream, id);
 
+	pw_log_trace("new buffer %d", id);
+
 	pw_loop_invoke(pw_main_loop_get_loop(data->loop), do_render,
 		       SPA_ID_INVALID, &buf, sizeof(struct spa_buffer *),
 		       true, data);
diff --git a/src/pipewire/remote.c b/src/pipewire/remote.c
index d2b469f5c..3385acd31 100644
--- a/src/pipewire/remote.c
+++ b/src/pipewire/remote.c
@@ -772,20 +772,6 @@ static void client_node_event(void *object, const struct spa_event *event)
 	pw_log_warn("unhandled node event %d", SPA_EVENT_TYPE(event));
 }
 
-static void do_start(struct node_data *data)
-{
-	struct mix *mix;
-
-	spa_list_for_each(mix, &data->mix[SPA_DIRECTION_INPUT], link) {
-		mix->mix.port.io->status = SPA_STATUS_NEED_BUFFER;
-		mix->mix.port.io->buffer_id = SPA_ID_INVALID;
-	}
-	spa_list_for_each(mix, &data->mix[SPA_DIRECTION_OUTPUT], link) {
-		mix->mix.port.io->status = SPA_STATUS_NEED_BUFFER;
-		mix->mix.port.io->buffer_id = SPA_ID_INVALID;
-	}
-}
-
 static void client_node_command(void *object, uint32_t seq, const struct spa_command *command)
 {
 	struct pw_proxy *proxy = object;
@@ -815,8 +801,6 @@ static void client_node_command(void *object, uint32_t seq, const struct spa_com
 		if ((res = spa_node_send_command(data->node->node, command)) < 0)
 			pw_log_warn("node %p: start failed", proxy);
 
-		do_start(data);
-
 		pw_client_node_proxy_done(data->node_proxy, seq, res);
 	}
 	else if (SPA_COMMAND_TYPE(command) == remote->core->type.command_node.ClockUpdate) {