diff --git a/configure.ac b/configure.ac
index 2cc396e5504..e9f8a2f988c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -323,8 +323,6 @@ case "$host" in
 		AC_DEFINE([TARGET_DARWIN], [1], [Are we running on Mac OS X?])
 		AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["M"], [Target prefix])
 		have_tap_header="yes"
-		dnl some Mac OS X tendering (we use vararg macros...)
-		CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
 		ac_cv_type_struct_in_pktinfo=no
 		;;
 	*-mingw*)