deleted file mode 100644
--- a/lib/group_member.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/* group-member.c -- determine whether group id is in calling user's group list
-   Copyright (C) 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdio.h>
-#include <sys/types.h>
-
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#include "group-member.h"
-
-char *xmalloc ();
-char *xrealloc ();
-
-struct group_info
-  {
-    int n_groups;
-    GETGROUPS_T *group;
-  };
-
-#ifdef HAVE_GETGROUPS
-
-static void
-free_group_info (g)
-     struct group_info *g;
-{
-  free (g->group);
-  free (g);
-}
-
-static struct group_info *
-get_group_info ()
-{
-  int n_groups;
-  int n_group_slots;
-  struct group_info *gi;
-  GETGROUPS_T *group;
-
-  /* getgroups () returns the number of elements that it was able to
-     place into the array.  We simply continue to call getgroups ()
-     until the number of elements placed into the array is smaller than
-     the physical size of the array. */
-
-  group = NULL;
-  n_groups = 0;
-  n_group_slots = 0;
-  while (n_groups == n_group_slots)
-    {
-      n_group_slots += 64;
-      group = (GETGROUPS_T *) xrealloc (group,
-					n_group_slots * sizeof (GETGROUPS_T));
-      n_groups = getgroups (n_group_slots, group);
-    }
-
-  /* In case of error, the user loses. */
-  if (n_groups < 0)
-    {
-      free (group);
-      return NULL;
-    }
-
-  gi = (struct group_info *) xmalloc (sizeof (*gi));
-  gi->n_groups = n_groups;
-  gi->group = group;
-
-  return gi;
-}
-
-#endif /* not HAVE_GETGROUPS */
-
-/* Return non-zero if GID is one that we have in our groups list.
-   If there is no getgroups function, return non-zero if GID matches
-   either of the current or effective group IDs.  */
-
-int
-group_member (gid)
-     gid_t gid;
-{
-#ifndef HAVE_GETGROUPS
-  return ((gid == getgid ()) || (gid == getegid ()));
-#else
-  int i;
-  int found;
-  struct group_info *gi;
-
-  gi = get_group_info ();
-  if (gi == NULL)
-    return 0;
-
-  /* Search through the list looking for GID. */
-  found = 0;
-  for (i = 0; i < gi->n_groups; i++)
-    {
-      if (gid == gi->group[i])
-	{
-	  found = 1;
-	  break;
-	}
-    }
-  
-  free_group_info (gi);
-
-  return found;
-#endif /* HAVE_GETGROUPS */
-}
-
-#ifdef TEST
-
-char *program_name;
-
-int
-main (int argc, char** argv)
-{
-  int i;
-
-  program_name = argv[0];
-
-  for (i=1; i<argc; i++)
-    {
-      gid_t gid;
-
-      gid = atoi (argv[i]);
-      printf ("%d: %s\n", gid, group_member (gid) ? "yes" : "no");
-    }
-  exit (0);
-}
-
-#endif /* TEST */