diff --git a/projects/sample/autoconf/aclocal.m4 b/projects/sample/autoconf/aclocal.m4
deleted file mode 100644
index 132af76a6cc..00000000000
--- a/projects/sample/autoconf/aclocal.m4
+++ /dev/null
@@ -1,21 +0,0 @@
-# generated automatically by aclocal 1.9.2 -*- Autoconf -*-
-
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-# Free Software Foundation, Inc.
-# This file is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-#
-# Configure a Makefile without clobbering it if it exists and is not out of
-# date.  This macro is unique to LLVM.
-#
-AC_DEFUN([AC_CONFIG_MAKEFILE],
-[AC_CONFIG_COMMANDS($1,${SHELL} ${srcdir}/autoconf/install-sh -c ${srcdir}/$1 $1,${srcdir}/autoconf/mkinstalldirs `dirname $1`)
-])
-