diff --git a/configure.ac b/configure.ac
index 2c4953f3..1de852d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,12 +167,6 @@ if test x"$SUN" = xyes; then
 	AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
 fi
 
-AC_CHECK_TYPE(socklen_t, ,
-[AC_DEFINE([socklen_t], [unsigned int],
-[If we don't have a real socklen_t, unsigned int is good enough.])],
-[#include <sys/types.h>
-#include <sys/socket.h>])
-
 AC_ARG_ENABLE(ipv6,
 AC_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),[ipv6=$enableval],[ipv6=no])