diff --git a/ncat/aclocal.m4 b/ncat/aclocal.m4
deleted file mode 100644
index 0f808a9ae..000000000
--- a/ncat/aclocal.m4
+++ /dev/null
@@ -1,24 +0,0 @@
-# generated automatically by aclocal 1.10.1 -*- Autoconf -*-
-
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008  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.
-
-# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
-# 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.
-
-# serial 8
-
-# AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
-AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
diff --git a/ncat/configure.ac b/ncat/configure.ac
index c46afd0bd..1a1116c99 100644
--- a/ncat/configure.ac
+++ b/ncat/configure.ac
@@ -4,7 +4,7 @@
 AC_PREREQ(2.59)
 AC_INIT(ncat_main.c)
 
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADER(config.h)
 
 m4_include([../acinclude.m4])