diff --git a/libavformat/mov.c b/libavformat/mov.c
index 24fe60722a..2e70498651 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1442,8 +1442,8 @@ static int mov_read_tkhd(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
     url_fskip(pb, 36); /* display matrix */
 
     /* those are fixed-point */
-    st->codec.width = get_be32(pb) >> 16; /* track width */
-    st->codec.height = get_be32(pb) >> 16; /* track height */
+    /*st->codec.width =*/ get_be32(pb) >> 16; /* track width */
+    /*st->codec.height =*/ get_be32(pb) >> 16; /* track height */
 
     return 0;
 }