diff --git a/v4l.c b/v4l.c
index d04d2463..022417d0 100644
--- a/v4l.c
+++ b/v4l.c
@@ -33,8 +33,6 @@
 #include <ffmpeg/avio.h>
 #include <ffmpeg/avformat.h>
 
-extern AVInputFormat mpegps_demuxer;
-
 #define __user
 #include <linux/videodev2.h>