diff --git a/configure b/configure
index fea91290c827336f412ae73f1eb1ea01133ececf..3eef836e0024fc65c19585025dd5ddf60a185fcc 100755
--- a/configure
+++ b/configure
@@ -267,7 +267,6 @@ HAVE_LIST="
 "
 EXPERIMENT_LIST="
     multiple_arf
-    non420
     alpha
 "
 CONFIG_LIST="