From ed793e492cde8017b0a7f4e8da51b293a5caad11 Mon Sep 17 00:00:00 2001
From: Qiang Huang <h.huangqiang@huawei.com>
Date: Mon, 3 Aug 2015 09:14:52 +0800
Subject: [PATCH] Remove unused variable

Introduced by #15209 unintentionally.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Upstream-commit: f5557f4f43ba89a448131fbca8094f9cf8ddb097
Component: engine
---
 components/engine/daemon/logger/logger.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/components/engine/daemon/logger/logger.go b/components/engine/daemon/logger/logger.go
index 8a2acccf6e..5fc821e710 100644
--- a/components/engine/daemon/logger/logger.go
+++ b/components/engine/daemon/logger/logger.go
@@ -9,7 +9,6 @@ package logger
 
 import (
 	"errors"
-	"sync"
 	"time"
 
 	"github.com/docker/docker/pkg/timeutils"
@@ -59,7 +58,6 @@ type LogWatcher struct {
 	// For sending error messages that occur while while reading logs.
 	Err           chan error
 	closeNotifier chan struct{}
-	closeOnce     sync.Once
 }
 
 // NewLogWatcher returns a new LogWatcher.