diff --git a/lib/stream-provider.h b/lib/stream-provider.h
index 0708c72e4..9e91d6151 100644
--- a/lib/stream-provider.h
+++ b/lib/stream-provider.h
@@ -40,7 +40,6 @@ struct stream {
 void stream_init(struct stream *, const struct stream_class *,
                  int connect_status, const char *name);
 void stream_set_remote_ip(struct stream *, ovs_be32 remote_ip);
-void stream_set_dscp(struct stream *, uint8_t dscp);
 void stream_set_remote_port(struct stream *, ovs_be16 remote_port);
 void stream_set_local_ip(struct stream *, ovs_be32 local_ip);
 void stream_set_local_port(struct stream *, ovs_be16 local_port);