diff --git a/config.h b/config.h
index 9f24a187..487f9bde 100644
--- a/config.h
+++ b/config.h
@@ -15,8 +15,5 @@
 /* Define as 1 if you have the timegm function */
 #undef HAVE_TIMEGM
 
-/* Define as 1 if you have sys/wait.h */
-#undef HAVE_SYS_WAIT_H
-
 /* Define as 1 if you have unistd.h */
 #define HAVE_UNISTD_H 1