diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 100183f56c..d43b866599 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -587,11 +587,6 @@ struct AVFilterLink {
      */
     int channels;
 
-    /**
-     * Link processing flags.
-     */
-    unsigned flags;
-
     /**
      * Number of past frames sent through the link.
      */