diff --git a/server/gameserver/roomob.cc b/server/gameserver/roomob.cc
index 420a5ce1..daaeed5d 100644
--- a/server/gameserver/roomob.cc
+++ b/server/gameserver/roomob.cc
@@ -35,11 +35,6 @@ void RoomOb::AddOb(Player* hum)
     id_hash_[hum->account_id] = hum;
 }
 
-void RoomOb::SendViewerUiMemberUpdate(std::vector<int> member_ids)
-{
-
-}
-
 void RoomOb::TraverseOb(std::function<bool (Player*)> cb)
 {
     for (auto& pair : id_hash_) {
diff --git a/server/gameserver/roomob.h b/server/gameserver/roomob.h
index 0df4298a..a492b050 100644
--- a/server/gameserver/roomob.h
+++ b/server/gameserver/roomob.h
@@ -14,7 +14,6 @@ class RoomOb : public std::enable_shared_from_this<RoomOb>
 
     Player* GetByAccountId(const std::string& account_id);
     void AddOb(Player* hum);
-    void SendViewerUiMemberUpdate(std::vector<int> member_ids);
     void TraverseOb(std::function<bool (Player*)> cb);
 
 private: