deleted file mode 100755
--- a/modules/check-include-files
+++ /dev/null
@@ -1,232 +0,0 @@
-#!/usr/bin/perl -w
-# Read a module description file and derive the set of files
-# included directly by any .c or .h file listed in the `Files:' section.
-# Take the union of all such sets for any dependent modules.
-# Then, compare that set with the set derived from the names
-# listed in the various Files: sections.
-
-# This script makes no attempt to diagnose invalid or empty
-# module-description files.
-
-# Written by Jim Meyering
-
-use strict;
-use Getopt::Long;
-#use Coda;
-
-(my $VERSION = '$Revision: 1.3 $ ') =~ tr/[0-9].//cd;
-(my $ME = $0) =~ s|.*/||;
-
-use constant ST_INIT => 1;
-use constant ST_FILES => 2;
-use constant ST_DEPENDENTS => 3;
-
-# Parse a module file (returning list of Files: names and
-# list of dependent-modules.
-# my ($file, $dep) = parse_module_file $module_file;
-sub parse_module_file ($)
-{
-  my ($module_file) = @_;
-
-  open FH, '<', $module_file
-    or die "$ME: can't open `$module_file' for reading: $!\n";
-
-  my %file_set;
-  my %dep_set;
-
-  my $state = ST_INIT;
-  while (defined (my $line = <FH>))
-    {
-      if ($state eq ST_INIT)
-	{
-	  if ($line =~ /^Files:$/)
-	    {
-	      $state = ST_FILES;
-	    }
-	  elsif ($line =~ /^Depends-on:$/)
-	    {
-	      $state = ST_DEPENDENTS;
-	    }
-	}
-      else
-	{
-	  chomp $line;
-	  $line =~ s/^\s+//;
-	  $line =~ s/\s+$//;
-	  if ( ! $line)
-	    {
-	      $state = ST_INIT;
-	      next;
-	    }
-
-	  if ($state eq ST_FILES)
-	    {
-	      $file_set{$line} = 1;
-	    }
-	  elsif ($state eq ST_DEPENDENTS)
-	    {
-	      $dep_set{$line} = 1;
-	    }
-	}
-    }
-  close FH;
-
-  # my @t = sort keys %file_set;
-  # print "files: @t\n";
-  # my @u = sort keys %dep_set;
-  # print "dependents: @u\n";
-
-  return (\%file_set, \%dep_set);
-}
-
-# Extract the set of files required for this module, including
-# those required via dependent modules.
-
-# Files:
-# lib/stat.c
-# m4/stat.m4
-# lib/foo.h
-#
-# Depends-on:
-# some-other-module
-
-sub usage ($)
-{
-  my ($exit_code) = @_;
-  my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
-  if ($exit_code != 0)
-    {
-      print $STREAM "Try `$ME --help' for more information.\n";
-    }
-  else
-    {
-      print $STREAM <<EOF;
-Usage: $ME [OPTIONS] FILE...
-
-Read a module description file and derive the set of files
-included directly by any .c or .h file listed in the `Files:' section.
-Take the union of all such sets for any dependent modules.
-Then, compare that set with the set derived from the names
-listed in the various Files: sections.
-
-OPTIONS:
-
-   --help             display this help and exit
-   --version          output version information and exit
-
-EOF
-    }
-  exit $exit_code;
-}
-
-sub find_included_lib_files ($)
-{
-  my ($file) = @_;
-
-  # Special cases...
-  my %special_non_dup = ( 'fnmatch_loop.c' => 1, 'regex.c' => 1 );
-
-  my %inc;
-  open FH, '<', $file
-    or die "$ME: can't open `$file' for reading: $!\n";
-
-  while (defined (my $line = <FH>))
-    {
-      # Ignore test-driver code at end of file.
-      $line =~ m!^\#if(def)? TEST_!
-	and last;
-
-      $line =~ m!^\s*\#\s*include\s+"!
-	or next;
-      $line =~ s///;
-      chomp $line;
-      $line =~ s/".*//;
-      exists $inc{$line} && ! exists $special_non_dup{$line}
-	and warn "$ME: $file: duplicate inclusion of $line\n";
-
-      # Some known exceptions.
-      $file =~ /\bfull-write\.c$/ && $line eq 'full-read.h'
-	and next;
-      $file =~ /\bsafe-read.c$/ && $line eq 'safe-write.h'
-	and next;
-      $file =~ /\bhash\.c$/ && $line eq 'obstack.h'
-	and next;
-
-      $inc{$line} = 1;
-    }
-  close FH;
-
-  return \%inc;
-}
-
-{
-  GetOptions
-    (
-     help => sub { usage 0 },
-     version => sub { print "$ME version $VERSION\n"; exit },
-    ) or usage 1;
-
-  @ARGV < 1
-    and (warn "$ME: missing FILE argument\n"), usage 1;
-
-  my %file;
-  my %module_all_files;
-  my %dep;
-  my %seen_module;
-
-  my @m = $ARGV[0];
-
-  while (@m)
-    {
-      my $m = pop @m;
-      # warn "M: $m\n";
-      exists $seen_module{$m}
-	and next;
-      $seen_module{$m} = 1;
-      my ($file, $dep) = parse_module_file $m;
-      push @m, keys %$dep;
-      foreach my $f (keys %$file)
-	{
-	  $module_all_files{$f} = 1;
-	}
-    }
-
-  my %exempt_header =
-    (
-     # Exempt headers like unlocked-io.h that are `#include'd
-     # but not necessarily used.
-     'unlocked-io.h' => 1,
-
-     # Give gettext.h a free pass only when included from lib/error.c,
-     # since that we've made that exception solely to make the error
-     # module easier to use -- at RMS's request.
-     'lib/error.c:gettext.h' => 1,
-    );
-
-  my @t = sort keys %module_all_files;
-  # warn "ALL files: @t\n";
-
-  # Derive from %module_all_files (by parsing the .c and .h files therein),
-  # the list of all #include'd files that reside in lib/.
-  foreach my $f (keys %module_all_files)
-    {
-      $f =~ /\.[ch]$/
-	or next;
-      # FIXME: this is too naive
-      my $inc = find_included_lib_files "../$f";
-      foreach my $i (sort keys %$inc)
-	{
-	  my $lib_file = "lib/$i";
-	  exists $exempt_header{"$f:$i"}
-	    || exists $exempt_header{$i}
-	      and next;
-	  !exists $module_all_files{$lib_file} && -f "../lib/$i"
-	    and warn "$f: $i is `#include'd, but not "
-	      . "listed in module's Files: section\n";
-	}
-      #my @t = sort keys %$inc;
-      #print "** $f: @t\n";
-    }
-
-  exit 0;
-}