diff --git a/core/kernel/kernel.factor b/core/kernel/kernel.factor
index 52529892f4..56f19595cb 100644
--- a/core/kernel/kernel.factor
+++ b/core/kernel/kernel.factor
@@ -1,7 +1,6 @@
 ! Copyright (C) 2004, 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel.private slots.private math.private
-classes.tuple.private ;
+USING: kernel.private slots.private math.private ;
 IN: kernel
 
 DEFER: dip