diff --git a/config/.Sanitize b/config/.Sanitize
index ebeba683bc7..7ebce073531 100644
--- a/config/.Sanitize
+++ b/config/.Sanitize
@@ -42,7 +42,6 @@ mh-sun
 mh-sun3
 mh-sysv
 mh-sysv4
-mh-unixware
 mh-vaxult2
 mt-hppa