diff --git a/test_regress/t/t_dist_inctree.pl b/test_regress/t/t_dist_inctree.pl
deleted file mode 100755
index acbbaa079..000000000
--- a/test_regress/t/t_dist_inctree.pl
+++ /dev/null
@@ -1,86 +0,0 @@
-#!/usr/bin/env perl
-if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
-# DESCRIPTION: Verilator: Verilog Test driver/expect definition
-#
-# Copyright 2003 by Wilson Snyder. This program is free software; you
-# can redistribute it and/or modify it under the terms of either the GNU
-# Lesser General Public License Version 3 or the Perl Artistic License
-# Version 2.0.
-# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
-
-use IO::File;
-use strict;
-
-scenarios(dist => 1);
-
-my $root = "..";
-my $Debug;
-my %Files;
-
-if (!-r "$root/.git") {
-    skip("Not in a git repository");
-} else {
-    print "-Test is only for occasional cleanup, never completely clean\n";
-    #inctree();
-}
-
-ok(1);
-
-sub inctree {
-    # Note do not do test_regress, as VPI files need to compile without verilatedos.h
-    my $files = "src/*.c* src/*.h include/*.c* include/*.h";
-    my $cmd = "cd $root && grep -n -P '^(# *include)' $files | sort";
-    print "C $cmd\n";
-    my $grep = `$cmd`;
-    foreach my $line (split /\n/, $grep) {
-        if ($line =~ /^(\S+):(\d+):#\s*include\s*(\S+)/) {
-            my $filename = $1; my $line = $2 + 0; my $inc = $3;
-            (my $base = $filename) =~ s!.*/(.*?)!$1!;
-            $inc =~ s/[<>"]//g;
-            $Files{$base}{filename} = $filename;
-            $Files{$base}{incs}{$inc} = $line;
-            #print "I $fileline   $base  $inc\n";
-        } else {
-            warn "%Warning: Strange line: $line\n";
-        }
-    }
-    foreach my $base (keys %Files) {
-        _inctree_recurse($base);
-    }
-    #use Data::Dumper; print Dumper(\%Files);
-    foreach my $base (sort keys %Files) {
-        my $fileref = $Files{$base};
-        foreach my $subinc (sort keys %{$fileref->{incs}}) {
-            my $subline = $fileref->{incs}{$subinc};
-            if (my $subsubinfo = $fileref->{subincs}{$subinc}) {
-                if ($subsubinfo->{line} < $subline) {
-                    error("$fileref->{filename}:$subline: Include of $subinc is also included by earlier include ($subsubinfo->{name})");
-                }
-            }
-        }
-    }
-}
-
-sub _inctree_recurse {
-    my $basename = shift;
-    my $fileref = $Files{$basename};
-
-    return if $fileref->{subincs};
-    $fileref->{subincs} = {};
-    foreach my $subinc (keys %{$fileref->{incs}}) {
-        _inctree_recurse($subinc);
-    }
-    foreach my $subinc (keys %{$fileref->{incs}}) {
-        my $subline = $fileref->{incs}{$subinc};
-        foreach my $subsubinc (keys %{$Files{$subinc}{incs}}) {
-            if (!$fileref->{subincs}{$subsubinc}
-                || $fileref->{subincs}{$subsubinc}{line} < $subline) {
-                $fileref->{subincs}{$subsubinc}
-                = {line => $subline,
-                   name => $subinc, };
-            }
-        }
-    }
-}
-
-1;