diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 9f2a2923b2..7eb0bea004 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -19,10 +19,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <string.h>
-#include <stddef.h>
-
-#include "avstring.h"
 #include "avfilter.h"
 #include "avfiltergraph.h"