diff --git a/configure b/configure
index 682b42dd9..06a39ff63 100755
--- a/configure
+++ b/configure
@@ -6973,38 +6973,6 @@ fi
 
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if sockaddr{} has sa_len member" >&5
-$as_echo_n "checking if sockaddr{} has sa_len member... " >&6; }
-if test "${ac_cv_sockaddr_has_sa_len+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-               #include <sys/types.h>
-               #include <sys/socket.h>
-int
-main ()
-{
-unsigned int i = sizeof(((struct sockaddr *)0)->sa_len)
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_sockaddr_has_sa_len=yes
-else
-  ac_cv_sockaddr_has_sa_len=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_has_sa_len" >&5
-$as_echo "$ac_cv_sockaddr_has_sa_len" >&6; }
-if test $ac_cv_sockaddr_has_sa_len = yes ; then
-        $as_echo "#define HAVE_SOCKADDR_SA_LEN 1" >>confdefs.h
-
-fi
-
 #dnl check endedness
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
diff --git a/configure.ac b/configure.ac
index f1e1c1d9e..82a079bd1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -706,22 +706,6 @@ AC_SUBST(LIBLINEAR_CLEAN)
 AC_SUBST(LIBLINEAR_DIST_CLEAN)
 
 
-dnl This test is from the configure.in of Unix Network Programming second
-dnl edition example code by W. Richard Stevens
-dnl ##################################################################
-dnl Check if sockaddr{} has sa_len member.
-dnl
-AC_CACHE_CHECK(if sockaddr{} has sa_len member, ac_cv_sockaddr_has_sa_len,
-        AC_TRY_COMPILE([
-               #include <sys/types.h>
-               #include <sys/socket.h>],
-                [unsigned int i = sizeof(((struct sockaddr *)0)->sa_len)],
-        ac_cv_sockaddr_has_sa_len=yes,
-        ac_cv_sockaddr_has_sa_len=no))
-if test $ac_cv_sockaddr_has_sa_len = yes ; then
-        AC_DEFINE(HAVE_SOCKADDR_SA_LEN)
-fi
-
 #dnl check endedness
 AC_C_BIGENDIAN
 
diff --git a/nmap_config.h.in b/nmap_config.h.in
index 55e9165c2..f7ee8ea10 100644
--- a/nmap_config.h.in
+++ b/nmap_config.h.in
@@ -150,8 +150,6 @@
 
 #undef IN_ADDR_DEEPSTRUCT
 
-#undef HAVE_SOCKADDR_SA_LEN
-
 #undef HAVE_NETINET_IF_ETHER_H
 
 #undef HAVE_OPENSSL