diff --git a/libweston/fifo.c b/libweston/fifo.c
index 6117c0d29..d9e8b2f2c 100644
--- a/libweston/fifo.c
+++ b/libweston/fifo.c
@@ -36,7 +36,6 @@
 struct weston_fifo {
 	struct weston_surface *surface;
 	struct wl_listener surface_destroy_listener;
-	uint64_t flow_id;
 };
 
 static void