deleted file mode 100644
--- a/lib/concatpath.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* Construct a full pathname from a directory and a filename.
-   Copyright (C) 2001-2004, 2006, 2007 Free Software Foundation, Inc.
-
-   This program 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 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 General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-   USA.  */
-
-/* Written by Bruno Haible <haible@clisp.cons.org>.  */
-
-#include <config.h>
-
-/* Specification.  */
-#include "pathname.h"
-
-#include <string.h>
-
-#include "xalloc.h"
-
-/* Concatenate a directory pathname, a relative pathname and an optional
-   suffix.  The directory may end with the directory separator.  The second
-   argument may not start with the directory separator (it is relative).
-   Return a freshly allocated pathname.  */
-char *
-concatenated_pathname (const char *directory, const char *filename,
-		       const char *suffix)
-{
-  char *result;
-  char *p;
-
-  if (strcmp (directory, ".") == 0)
-    {
-      /* No need to prepend the directory.  */
-      result = XNMALLOC (strlen (filename)
-			 + (suffix != NULL ? strlen (suffix) : 0)
-			 + 1,
-			 char);
-      p = result;
-    }
-  else
-    {
-      size_t directory_len = strlen (directory);
-      int need_slash =
-	(directory_len > FILE_SYSTEM_PREFIX_LEN (directory)
-	 && !ISSLASH (directory[directory_len - 1]));
-      result = XNMALLOC (directory_len + need_slash
-			 + strlen (filename)
-			 + (suffix != NULL ? strlen (suffix) : 0)
-			 + 1,
-			 char);
-      memcpy (result, directory, directory_len);
-      p = result + directory_len;
-      if (need_slash)
-	*p++ = '/';
-    }
-  p = stpcpy (p, filename);
-  if (suffix != NULL)
-    stpcpy (p, suffix);
-  return result;
-}