deleted file mode 100644
--- a/lib/ref-add.sed.in
+++ /dev/null
@@ -1,31 +0,0 @@
-# Add this package to a list of references stored in a text file.
-#
-#   Copyright (C) 2000 Free Software Foundation, Inc.
-#
-#   This program is free software; you can redistribute it and/or modify it
-#   under the terms of the GNU Library General Public License as published
-#   by the Free Software Foundation; either version 2, or (at your option)
-#   any later version.
-#
-#   This program 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
-#   Library General Public License for more details.
-#
-#   You should have received a copy of the GNU Library General Public
-#   License along with this program; if not, write to the Free Software
-#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-#   USA.
-#
-# Written by Bruno Haible <haible@clisp.cons.org>.
-#
-/^# Packages using this file: / {
-  s/# Packages using this file://
-  ta
-  :a
-  s/ @PACKAGE@ / @PACKAGE@ /
-  tb
-  s/ $/ @PACKAGE@ /
-  :b
-  s/^/# Packages using this file:/
-}