diff --git a/network/mhfpacket/msg_mhf_opr_member.go b/network/mhfpacket/msg_mhf_opr_member.go
index b0dceaba5..186ccc44d 100644
--- a/network/mhfpacket/msg_mhf_opr_member.go
+++ b/network/mhfpacket/msg_mhf_opr_member.go
@@ -13,7 +13,6 @@ type MsgMhfOprMember struct {
 	AckHandle uint32
 	Blacklist bool
 	Operation bool
-	Unk       uint16
 	CharIDs   []uint32
 }