diff --git a/include/vlc_filter.h b/include/vlc_filter.h
index 847dc766049eb3b13d93b8a090bc13c2a2e6c630..8c3763e8cb9e7a7f4364a24e9e7d2ba45dce56f1 100644
--- a/include/vlc_filter.h
+++ b/include/vlc_filter.h
@@ -36,8 +36,6 @@
  * Filter modules interface
  */
 
-typedef struct filter_owner_sys_t filter_owner_sys_t;
-
 struct filter_video_callbacks
 {
     picture_t *(*buffer_new)(filter_t *);