From 94e9563a15e4fdc65ccc7d58a1e42559ed3006a2 Mon Sep 17 00:00:00 2001
From: John Benediktsson <mrjbq7@gmail.com>
Date: Sun, 20 Apr 2014 19:22:56 -0700
Subject: [PATCH] calendar.threads: simplify.

---
 basis/calendar/threads/threads.factor | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/basis/calendar/threads/threads.factor b/basis/calendar/threads/threads.factor
index efdbb6923d..0501d4180a 100644
--- a/basis/calendar/threads/threads.factor
+++ b/basis/calendar/threads/threads.factor
@@ -1,7 +1,6 @@
 ! Copyright (C) 2011 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: calendar math system threads ;
+USING: calendar threads ;
 IN: calendar.threads
 
-M: duration sleep
-    duration>nanoseconds >integer nano-count + sleep-until ;
+M: duration sleep duration>nanoseconds sleep ;