diff --git a/pkg/net/metadata/key.go b/pkg/net/metadata/key.go
index a4823cced..420e13ec2 100644
--- a/pkg/net/metadata/key.go
+++ b/pkg/net/metadata/key.go
@@ -31,9 +31,6 @@ const (
 	// Mid 外网账户用户id
 	Mid = "mid" // NOTE: ！！！业务可重新修改key名！！！
 
-	// Username LDAP平台的username
-	Username = "username"
-
 	// Device 客户端信息
 	Device = "device"