diff --git a/RoboidControl/Participants/ParticipantUDP.py b/RoboidControl/Participants/ParticipantUDP.py
index 3919e28..d9c1403 100644
--- a/RoboidControl/Participants/ParticipantUDP.py
+++ b/RoboidControl/Participants/ParticipantUDP.py
@@ -115,25 +115,11 @@ class ParticipantUDP(Participant):
 
     def UpdateMyThings(self, currentTimeMs: int):
         for thing in self.things:
-            # if thing.hierarchyChanged and not (self.isIsolated or self.network_id == ):
-            #     thingMsg = ThingMsg(self.network_id, thing)
-            #     self.Send(self.remote_site, thingMsg)
-            # if thing.owner is not None:
-            #     poseMsg = PoseMsg(thing.owner.network_id, thing)
-            #     if self.remote_site is not None:
-            #         self.remote_site.Send(poseMsg)
-
             thing.Update(False)
             if not(self.is_isolated or self.network_id == 0):
                 if thing.terminate:
                     destroyMsg = DestroyMsg.Create(self.network_id, thing)
                     self.remote_site.Send(destroyMsg)
-                # else:
-                    # this is very inefficient
-                    # if self.remote_site is not None and thing.owner is not None:
-                    #     # Send to remote site
-                    #     self.Send(self.remote_site, PoseMsg(thing.owner.network_id, thing))
-                    #     self.Send(self.remote_site, BinaryMsg(thing.owner.network_id, thing))
             if thing.terminate:
                 self.Remove(thing)
 
@@ -159,14 +145,9 @@ class ParticipantUDP(Participant):
         self.Publish(PoseMsg(self.network_id, thing))
         self.Publish(BinaryMsg(self.network_id, thing))
 
-    # def Send(self, owner: Participant, msg: IMessage):
-    #     buffer_size = msg.Serialize([self.buffer])
-    #     if buffer_size <= 0:
-    #         return True
-        
-    #     # print(f'{self.name} send {self.buffer[0]} to {owner.ip_address} {owner.port}')
-    #     self.udp_socket.sendto(self.buffer[:buffer_size], (owner.ip_address, owner.port))
-    #     return True
+    def Send(self, msg):
+        if self.remote_site is not None:
+            self.remote_site.Send(msg)
 
     def Publish(self, msg: IMessage):
         buffer_size = msg.Serialize([self.buffer])