diff --git a/daemon/logger/logger.go b/daemon/logger/logger.go
index 8a2acccf6eb040f2e836670182b7350d257f38e9..5fc821e71065d4424e192772e1bf3376c491670d 100644
--- a/daemon/logger/logger.go
+++ b/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.