diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index 08fe976b15..401cfe52d5 100644
--- a/libavformat/webmdashenc.c
+++ b/libavformat/webmdashenc.c
@@ -31,7 +31,6 @@
 #include <string.h>
 
 #include "avformat.h"
-#include "avio_internal.h"
 #include "matroska.h"
 
 #include "libavutil/avstring.h"