diff --git a/mes/module/mes/pretty-print.scm b/mes/module/ice-9/pretty-print.scm
similarity index 100%
rename from mes/module/mes/pretty-print.scm
rename to mes/module/ice-9/pretty-print.scm
diff --git a/mes/module/mes/pretty-print.mes b/mes/module/mes/pretty-print.mes
deleted file mode 100644
index 95ea8373..00000000
--- a/mes/module/mes/pretty-print.mes
+++ /dev/null
@@ -1,27 +0,0 @@
-;;; -*-scheme-*-
-
-;;; GNU Mes --- Maxwell Equations of Software
-;;; Copyright © 2016 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:
-
-;;; Code:
-
-(mes-use-module (mes guile))
-(mes-use-module (mes optargs))
-(include-from-path "mes/pretty-print.scm")