diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 080a45c3a..96c01aad3 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -3444,9 +3444,6 @@ deleteLanguagePack language_pack_id:string = Ok;
 //@description Registers the currently used device for receiving push notifications. Returns a globally unique identifier of the push notification subscription @device_token Device token @other_user_ids List of at most 100 user identifiers of other users currently using the client
 registerDevice device_token:DeviceToken other_user_ids:vector<int32> = PushReceiverId;
 
-//@description Handles a DC_UPDATE push notification. Can be called before authorization @dc Value of the "dc" parameter of the push notification @addr Value of the "addr" parameter of the push notification
-processDcUpdate dc:string addr:string = Ok;
-
 //@description Handles a push notification. Can be called before authorization @payload JSON-encoded push notification payload
 processPushNotification payload:string = Ok;
 
diff --git a/td/generate/scheme/td_api.tlo b/td/generate/scheme/td_api.tlo
index f76fa13d4..36b44511f 100644
Binary files a/td/generate/scheme/td_api.tlo and b/td/generate/scheme/td_api.tlo differ
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index e88f19e82..4058f2b69 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -3187,7 +3187,6 @@ bool Td::is_preauthentication_request(int32 id) {
     case td_api::editCustomLanguagePackInfo::ID:
     case td_api::setCustomLanguagePackString::ID:
     case td_api::deleteLanguagePack::ID:
-    case td_api::processDcUpdate::ID:
     case td_api::processPushNotification::ID:
     case td_api::getOption::ID:
     case td_api::setOption::ID:
@@ -4032,7 +4031,6 @@ Status Td::init(DbKey key) {
 
     complete_pending_preauthentication_requests([](int32 id) {
       switch (id) {
-        case td_api::processDcUpdate::ID:
         case td_api::processPushNotification::ID:
         case td_api::setNetworkType::ID:
         case td_api::getNetworkStatistics::ID:
@@ -4748,18 +4746,6 @@ void Td::on_request(uint64 id, td_api::createTemporaryPassword &request) {
                request.valid_for_, std::move(promise));
 }
 
-void Td::on_request(uint64 id, td_api::processDcUpdate &request) {
-  CLEAN_INPUT_STRING(request.dc_);
-  CLEAN_INPUT_STRING(request.addr_);
-  CREATE_OK_REQUEST_PROMISE();
-  auto dc_id_raw = to_integer<int32>(request.dc_);
-  if (!DcId::is_valid(dc_id_raw)) {
-    return promise.set_error(Status::Error("Invalid dc id"));
-  }
-  send_closure(G()->connection_creator(), &ConnectionCreator::on_dc_update, DcId::internal(dc_id_raw), request.addr_,
-               std::move(promise));
-}
-
 void Td::on_request(uint64 id, td_api::processPushNotification &request) {
   CLEAN_INPUT_STRING(request.payload_);
   CREATE_OK_REQUEST_PROMISE();
diff --git a/td/telegram/Td.h b/td/telegram/Td.h
index 30e35c9c7..04da9d297 100644
--- a/td/telegram/Td.h
+++ b/td/telegram/Td.h
@@ -397,8 +397,6 @@ class Td final : public NetQueryCallback {
 
   void on_request(uint64 id, td_api::createTemporaryPassword &request);
 
-  void on_request(uint64 id, td_api::processDcUpdate &request);
-
   void on_request(uint64 id, td_api::processPushNotification &request);
 
   void on_request(uint64 id, td_api::registerDevice &request);
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index 5312631dc..5b16b016a 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -1420,11 +1420,6 @@ class CliClient final : public Actor {
     } else if (op == "dpe") {
       string passport_element_type = args;
       send_request(td_api::make_object<td_api::deletePassportElement>(as_passport_element_type(passport_element_type)));
-    } else if (op == "pdu" || op == "processDcUpdate") {
-      string dc_id;
-      string ip_port;
-      std::tie(dc_id, ip_port) = split(args);
-      send_request(td_api::make_object<td_api::processDcUpdate>(dc_id, ip_port));
     } else if (op == "ppn") {
       send_request(td_api::make_object<td_api::processPushNotification>(args));
     } else if (op == "gpri") {