diff --git a/doc/examples/filtering_audio.c b/doc/examples/filtering_audio.c
index 1568f60b29..2ceee6af1e 100644
--- a/doc/examples/filtering_audio.c
+++ b/doc/examples/filtering_audio.c
@@ -210,7 +210,6 @@ int main(int argc, char **argv)
         exit(1);
     }
 
-    avcodec_register_all();
     av_register_all();
     avfilter_register_all();
 
diff --git a/doc/examples/filtering_video.c b/doc/examples/filtering_video.c
index 0ac1cd479b..67c8a8bc10 100644
--- a/doc/examples/filtering_video.c
+++ b/doc/examples/filtering_video.c
@@ -200,7 +200,6 @@ int main(int argc, char **argv)
         exit(1);
     }
 
-    avcodec_register_all();
     av_register_all();
     avfilter_register_all();