diff --git a/revisions.pl.in b/revisions.pl.in
deleted file mode 100644
index c91246ea..00000000
--- a/revisions.pl.in
+++ /dev/null
@@ -1,86 +0,0 @@
-#!/usr/bin/perl
-
-use strict;
-use warnings;
-use File::stat;
-use Time::localtime;
-
-my $llvm_src = `perl @LLVM_CONFIG@ --src-root`;
-
-my $svn_info = `LC_ALL=C svn info $llvm_src 2>/dev/null`;
-
-my $extra_includes = "";
-my $llvm_rev_str;
-my $llvm_rev_nr;
-my $llvm_date = "";
-
-if ($svn_info =~ /^URL:.*\/trunk\s*$/m && $svn_info =~ /^Last Changed Rev:\s*(\d+)\s*/m) {
-    $llvm_rev_str = qq!"LLVM trunk rev. $1"!;
-    $llvm_rev_nr = $1;
-} else {
-    # Either non-trunk or 'svn info' didn't report "Last Changed Rev".
-    $extra_includes = qq!#include "llvm/Config/config.h"!;
-    $llvm_rev_str = "PACKAGE_STRING";
-    # Assume latest release, so < any version we should be testing for.
-    $llvm_rev_nr = 0;
-}
-
-# Use SVN date even if non-trunk:
-if ($svn_info =~ /^Last Changed Date: ([^(]*?)\s*(\(|$)/m) {
-    $llvm_date = qq!" ($1)"!;
-} else {
-    # Otherwise, try to get it from the libdir
-    my $llvm_lib = `perl @LLVM_CONFIG@ --libdir`;
-    $llvm_lib =~ s/\s+$//;
-    if (-d $llvm_lib) {
-        my $mod_time = ctime(stat($llvm_lib)->mtime);
-        $llvm_date = qq!" ($mod_time)"!;
-    }
-}
-
-my $ldc_rev = `hg -R@PROJECT_SOURCE_DIR@ log -r qparent --template '{rev}:{node|short} ({date|isodate})' 2>/dev/null || hg -R@PROJECT_SOURCE_DIR@ tip --template '{rev}:{node|short} ({date|isodate})'`;
-
-my $out = qq!#ifndef LDC_VERSIONS_H
-#define LDC_VERSIONS_H
-$extra_includes
-
-// LLVM version string, for use in -version output
-#define LLVM_REV_STR $llvm_rev_str$llvm_date
-// LDC version string, for use in -version output
-#define LDC_REV "rev. $ldc_rev"
-
-#endif // LDC_VERSIONS_H\n!;
-
-my $revh;
-my $old = "";
-open $revh, "revisions.h" and $old = join "", <$revh>;
-
-if ($old ne $out) {
-	open $revh, ">revisions.h" or die "cannot create revisions.h: $!";
-	print $revh $out;
-	close $revh;
-}
-
-# Allow the user to manually define it on the command line...
-$out = qq@#ifndef LLVM_REV
-
-// LLVM svn revision number, used to adapt to changes in LLVM
-// (Is 0 if LLVM is not an SVN trunk version)
-#define LLVM_REV $llvm_rev_nr
-
-#endif // LLVM_REV
-
-#if !LLVM_REV
-#error "You need to add '-DLLVM_REV=<your-llvm-rev>' to CMAKE_CXX_FLAGS in the cmake configuration"
-#elif LLVM_REV < 67588
-#error "Please update to a more recent LLVM version"
-#endif\n@;
-
-$old = "";
-open $revh, "llvm-version.h" and $old = join "", <$revh>;
-
-if ($old ne $out) {
-	open $revh, ">llvm-version.h" or die "cannot create llvm-version.h: $!";
-	print $revh $out;
-	close $revh;
-}