From 1c176c173d5dce30ce7fe24f72572077b5dd6ade Mon Sep 17 00:00:00 2001
From: Dmitriy Ryajov <dryajov@gmail.com>
Date: Wed, 8 Jan 2020 19:32:53 -0600
Subject: [PATCH] fix: restore `removeCallback`

---
 chronos/asyncloop.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chronos/asyncloop.nim b/chronos/asyncloop.nim
index d48f9dc..b72553e 100644
--- a/chronos/asyncloop.nim
+++ b/chronos/asyncloop.nim
@@ -823,7 +823,7 @@ proc withTimeout*[T](fut: Future[T], timeout: Duration): Future[bool] =
     if not(retFuture.finished()):
       if isNil(udata):
         # Timer exceeded first.
-        clearTimer(timer)
+        fut.removeCallback(continuation)
         fut.cancel()
         retFuture.complete(false)
       else: