diff --git a/libavcodec/flvdec.c b/libavcodec/flvdec.c
index 87c5e923ea..09fefd3d1c 100644
--- a/libavcodec/flvdec.c
+++ b/libavcodec/flvdec.c
@@ -108,8 +108,6 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
                s->h263_flv - 1, s->qscale, s->picture_number);
     }
 
-    s->y_dc_scale_table = s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
-
     return 0;
 }
 
diff --git a/libavcodec/intelh263dec.c b/libavcodec/intelh263dec.c
index 453b93f16c..2c216b00a6 100644
--- a/libavcodec/intelh263dec.c
+++ b/libavcodec/intelh263dec.c
@@ -122,9 +122,6 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
         return AVERROR_INVALIDDATA;
     s->f_code = 1;
 
-    s->y_dc_scale_table=
-    s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
-
     ff_h263_show_pict_info(s);
 
     return 0;