diff --git a/mes/module/nyacc/lang/c99/util.scm b/mes/module/nyacc/lang/c99/util.scm
deleted file mode 100644
index 0bec261b..00000000
--- a/mes/module/nyacc/lang/c99/util.scm
+++ /dev/null
@@ -1,29 +0,0 @@
-;;; -*-scheme-*-
-
-;;; GNU Mes --- Maxwell Equations of Software
-;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
-;;;
-;;; This file is part of GNU Mes.
-;;;
-;;; GNU Mes is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 3 of the License, or (at
-;;; your option) any later version.
-;;;
-;;; GNU Mes is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;; GNU General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; nyacc/lang/c99/util.scm was introduced in nyacc-0.93
-;; this stub enables mescc to run on nyacc-0.86
-;; it should be *after* nyacc in the load path
-
-;;; Code:
-
-(define nyacc/lang/c99/util.scm-stub #t)