diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
index d3ae8bacf8..5585831cf6 100644
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -828,9 +828,6 @@ static int cbs_h264_read_nal_unit(CodedBitstreamContext *ctx,
         }
         break;
 
-    case H264_NAL_END_SEQUENCE:
-        return 0;
-
     default:
         return AVERROR(ENOSYS);
     }