--- a/configure
+++ b/configure
@@ -24043,9 +24043,6 @@ $as_echo "$ac_try_echo") >&5
   { $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_RES_NINIT 1
-_ACEOF
 
 	{ $as_echo "$as_me:$LINENO: checking for library containing res_9_ndestroy" >&5
 $as_echo_n "checking for library containing res_9_ndestroy... " >&6; }