diff --git a/src/config.in b/src/config.in
index 1a20a1ae4e0..1f88bdd54d9 100644
--- a/src/config.in
+++ b/src/config.in
@@ -143,6 +143,8 @@ and this notice must be preserved on all copies.  */
 #undef HAVE_SETSID
 #undef HAVE_FPATHCONF
 #undef HAVE_SELECT
+#undef HAVE_MKTIME
+#undef HAVE_EACCESS
 
 #undef HAVE_INET_SOCKETS