diff --git a/configure.ac b/configure.ac
index cc81b79..addea63 100755
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,6 @@ dnl     to configure the system for the local environment.
 
 AC_INIT([fcgi], [2.4.7])
 AM_INIT_AUTOMAKE([1.11 foreign])
-AC_CONFIG_MACRO_DIR([m4])
 AM_CONFIG_HEADER(fcgi_config.h)
 
 LT_INIT([win32-dll])