diff --git a/libs/hbb_common/protos/rendezvous.proto b/libs/hbb_common/protos/rendezvous.proto
index 49d737c69..2fc0d9040 100644
--- a/libs/hbb_common/protos/rendezvous.proto
+++ b/libs/hbb_common/protos/rendezvous.proto
@@ -28,7 +28,6 @@ message PunchHole {
   bytes socket_addr = 1;
   string relay_server = 2;
   NatType nat_type = 3;
-  string request_region = 4;
 }
 
 message TestNatRequest {
@@ -53,7 +52,6 @@ message PunchHoleSent {
   string relay_server = 3;
   NatType nat_type = 4;
   string version = 5;
-  string request_region = 6;
 }
 
 message RegisterPk {
@@ -63,10 +61,6 @@ message RegisterPk {
   string old_id = 4;
 }
 
-message HealthCheck {
-  string token = 1;
-}
-
 message RegisterPkResponse {
   enum Result {
     OK = 0;
@@ -114,7 +108,6 @@ message RequestRelay {
   string licence_key = 6;
   ConnType conn_type = 7;
   string token = 8;
-  string request_region = 9;
 }
 
 message RelayResponse {
@@ -127,7 +120,6 @@ message RelayResponse {
   }
   string refuse_reason = 6;
   string version = 7;
-  string request_region = 8;
   int32 feedback = 9;
 }
 
@@ -140,7 +132,6 @@ message SoftwareUpdate { string url = 1; }
 message FetchLocalAddr { 
   bytes socket_addr = 1; 
   string relay_server = 2;
-  string request_region = 3;
 }
 
 message LocalAddr {
@@ -149,7 +140,6 @@ message LocalAddr {
   string relay_server = 3;
   string id = 4;
   string version = 5;
-  string request_region = 6;
 }
 
 message PeerDiscovery {
@@ -175,6 +165,10 @@ message KeyExchange {
   repeated bytes keys = 1; 
 }
 
+message HealthCheck {
+  string token = 1;
+}
+
 message RendezvousMessage {
   oneof union {
     RegisterPeer register_peer = 6;