diff --git a/broker/sesson.go b/broker/sesson.go
index dc1e307..59d5c11 100644
--- a/broker/sesson.go
+++ b/broker/sesson.go
@@ -1,5 +1,3 @@
-/* Copyright (c) 2018, joy.zhou <chowyu08@gmail.com>
- */
 package broker
 
 import "github.com/eclipse/paho.mqtt.golang/packets"