diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 724a1eb673..029b08c0b0 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -8038,6 +8038,7 @@ static int mov_check_bitstream(AVFormatContext *s, AVStream *st,
     return ret;
 }
 
+#if CONFIG_AVIF_MUXER
 static int avif_write_trailer(AVFormatContext *s)
 {
     AVIOContext *pb = s->pb;
@@ -8093,6 +8094,7 @@ static int avif_write_trailer(AVFormatContext *s)
 
     return 0;
 }
+#endif
 
 #if CONFIG_TGP_MUXER || CONFIG_TG2_MUXER
 static const AVCodecTag codec_3gp_tags[] = {