1 files changed, 0 insertions, 2 deletions
diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index bc78570d16..66a49a0cb7 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -668,8 +668,6 @@ void show_usage(void);
 void remove_avoptions(AVDictionary **a, AVDictionary *b);
 void assert_avoptions(AVDictionary *m);
 
-int guess_input_channel_layout(InputStream *ist);
-
 int configure_filtergraph(FilterGraph *fg);
 void check_filter_outputs(void);
 int filtergraph_is_simple(FilterGraph *fg);