diff --git a/libavcodec/mss2.c b/libavcodec/mss2.c
index d255dd4337..1e24568128 100644
--- a/libavcodec/mss2.c
+++ b/libavcodec/mss2.c
@@ -482,9 +482,6 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     Rectangle wmv9rects[MAX_WMV9_RECTANGLES], *r;
     int used_rects = 0, i, implicit_rect = 0, av_uninit(wmv9_mask);
 
-    av_assert0(AV_INPUT_BUFFER_PADDING_SIZE >=
-               ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);
-
     if ((ret = init_get_bits8(&gb, buf, buf_size)) < 0)
         return ret;