From b746757209bad0a8a1800e8a768ce1a22a22414b Mon Sep 17 00:00:00 2001
From: Mura Li <typeless@users.noreply.github.com>
Date: Tue, 4 Apr 2017 16:54:02 +0800
Subject: [PATCH] Remove unused mutex field (#1440)

---
 modules/log/log.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/modules/log/log.go b/modules/log/log.go
index 24ac3f652f..36038d3d0c 100644
--- a/modules/log/log.go
+++ b/modules/log/log.go
@@ -11,7 +11,6 @@ import (
 	"path/filepath"
 	"runtime"
 	"strings"
-	"sync"
 
 	"golang.org/x/sync/syncmap"
 )
@@ -177,7 +176,6 @@ type logMsg struct {
 // it can contain several providers and log message into all providers.
 type Logger struct {
 	adapter string
-	lock    sync.Mutex
 	level   int
 	msg     chan *logMsg
 	outputs syncmap.Map