diff --git a/basis/calendar/calendar.factor b/basis/calendar/calendar.factor
index 8a27a46aa2..719f0f6e9f 100644
--- a/basis/calendar/calendar.factor
+++ b/basis/calendar/calendar.factor
@@ -2,8 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: arrays kernel math math.functions namespaces sequences
 strings system vocabs.loader threads accessors combinators
-locals classes.tuple math.order summary structs
-combinators.short-circuit ;
+locals classes.tuple math.order summary combinators.short-circuit ;
 IN: calendar
 
 HOOK: gmt-offset os ( -- hours minutes seconds )