diff --git a/doc/examples/output.c b/doc/examples/output.c
index 0985659509..883d55f0e2 100644
--- a/doc/examples/output.c
+++ b/doc/examples/output.c
@@ -457,7 +457,6 @@ int main(int argc, char **argv)
     AVFormatContext *oc;
     int have_video = 0, have_audio = 0;
     int encode_video = 0, encode_audio = 0;
-    int i;
 
     /* Initialize libavcodec, and register all codecs and formats. */
     av_register_all();