diff --git a/libavfilter/formats.c b/libavfilter/formats.c
index de4315369d..bcc539bb38 100644
--- a/libavfilter/formats.c
+++ b/libavfilter/formats.c
@@ -289,17 +289,6 @@ AVFilterFormats *ff_make_format_list(const int *fmts)
     return formats;
 }
 
-AVFilterChannelLayouts *ff_make_formatu64_list(const uint64_t *fmts)
-{
-    MAKE_FORMAT_LIST(AVFilterChannelLayouts,
-                     channel_layouts, nb_channel_layouts);
-    if (count)
-        memcpy(formats->channel_layouts, fmts,
-               sizeof(*formats->channel_layouts) * count);
-
-    return formats;
-}
-
 AVFilterChannelLayouts *avfilter_make_format64_list(const int64_t *fmts)
 {
     MAKE_FORMAT_LIST(AVFilterChannelLayouts,
diff --git a/libavfilter/formats.h b/libavfilter/formats.h
index cc588f30d8..708bee3ee8 100644
--- a/libavfilter/formats.h
+++ b/libavfilter/formats.h
@@ -141,9 +141,6 @@ AVFilterChannelLayouts *ff_all_channel_counts(void);
 av_warn_unused_result
 AVFilterChannelLayouts *avfilter_make_format64_list(const int64_t *fmts);
 
-av_warn_unused_result
-AVFilterChannelLayouts *ff_make_formatu64_list(const uint64_t *fmts);
-
 
 /**
  * A helper for query_formats() which sets all links to the same list of channel