diff --git a/lib/getdate.y b/lib/getdate.y
index 12b348d86..32749db59 100644
--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -8,18 +8,14 @@
 **  This code is in the public domain and has no copyright.
 */
 
+#include "setup.h"
+
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 # ifdef HAVE_ALLOCA_H
 #  include <alloca.h>
 # endif
 
-# ifdef NEED_REENTRANT
-# define _REENTRANT /* Necessary to use in Solaris, since the silly guys at
-                       Sun made the localtime_r() prototype dependent on it
-                       (or _POSIX_C_SOURCE or _POSIX_PTHREAD_SEMANTICS) */
-# endif
-
 # ifdef HAVE_TIME_H
 #  include <time.h>
 # endif