diff --git a/tunnel/link.go b/tunnel/link.go
index 38c80825..b360e826 100644
--- a/tunnel/link.go
+++ b/tunnel/link.go
@@ -89,9 +89,6 @@ func (l *link) Id() string {
 }
 
 func (l *link) Close() error {
-	l.Lock()
-	defer l.Unlock()
-
 	select {
 	case <-l.closed:
 		return nil