manager.go

@@ -25,7 +25,6 @@ func NewManager(tun io.ReadWriter) *Manager {
 		accept:        make(chan *DataFrame, 1024),
 		newConnection: make(chan *Connection),
 		delConnection: make(chan *Connection),
-		closed:        make(chan bool),
 		logger:        DefaultLogger,
 	}
 }