diff --git a/td/telegram/TopDialogManager.cpp b/td/telegram/TopDialogManager.cpp
index 5f9b2ccd0..e1c8ff2e0 100644
--- a/td/telegram/TopDialogManager.cpp
+++ b/td/telegram/TopDialogManager.cpp
@@ -197,7 +197,8 @@ void TopDialogManager::on_toggle_top_peers(bool is_enabled, Result<Unit> &&resul
 }
 
 void TopDialogManager::on_dialog_used(TopDialogCategory category, DialogId dialog_id, int32 date) {
-  if (!is_active_ || !is_enabled_) {
+  CHECK(!td_->auth_manager_->is_bot());
+  if (!is_enabled_) {
     return;
   }
   auto pos = static_cast<size_t>(category);
@@ -240,7 +241,8 @@ void TopDialogManager::remove_dialog(TopDialogCategory category, DialogId dialog
   if (!td_->messages_manager_->have_dialog_force(dialog_id, "remove_dialog")) {
     return promise.set_error(Status::Error(400, "Chat not found"));
   }
-  if (!is_active_ || !is_enabled_) {
+  CHECK(!td_->auth_manager_->is_bot());
+  if (!is_enabled_) {
     return promise.set_value(Unit());
   }
 
@@ -293,9 +295,7 @@ int TopDialogManager::is_top_dialog(TopDialogCategory category, size_t limit, Di
   CHECK(category != TopDialogCategory::Size);
   CHECK(category != TopDialogCategory::ForwardUsers);
   CHECK(limit > 0);
-  if (!is_active_) {
-    return -1;
-  }
+  CHECK(!td_->auth_manager_->is_bot());
   if (!is_enabled_) {
     return 0;
   }
@@ -313,7 +313,7 @@ int TopDialogManager::is_top_dialog(TopDialogCategory category, size_t limit, Di
 }
 
 void TopDialogManager::update_rating_e_decay() {
-  if (!is_active_) {
+  if (td_->auth_manager_->is_bot()) {
     return;
   }
   rating_e_decay_ = narrow_cast<int32>(G()->get_option_integer("rating_e_decay", rating_e_decay_));
@@ -554,7 +554,6 @@ void TopDialogManager::init() {
     return;
   }
 
-  is_active_ = !td_->auth_manager_->is_bot();
   is_enabled_ = !G()->get_option_boolean("disable_top_chats");
   update_rating_e_decay();
 
@@ -573,12 +572,12 @@ void TopDialogManager::try_start() {
   server_sync_state_ = SyncState::None;
   last_server_sync_ = Timestamp();
 
-  LOG(DEBUG) << "Init is enabled: " << is_enabled_;
-  if (!is_active_) {
-    G()->td_db()->get_binlog_pmc()->erase_by_prefix("top_dialogs");
+  if (td_->auth_manager_->is_bot()) {
     return;
   }
 
+  LOG(DEBUG) << "Init is enabled: " << is_enabled_;
+
   auto di_top_dialogs_ts = G()->td_db()->get_binlog_pmc()->get("top_dialogs_ts");
   if (!di_top_dialogs_ts.empty()) {
     last_server_sync_ = Timestamp::in(to_integer<uint32>(di_top_dialogs_ts) - Clocks::system());
@@ -616,15 +615,11 @@ void TopDialogManager::try_start() {
 
 void TopDialogManager::on_first_sync() {
   was_first_sync_ = true;
-  if (!G()->close_flag() && td_->auth_manager_->is_bot()) {
-    is_active_ = false;
-    try_start();
-  }
   loop();
 }
 
 void TopDialogManager::loop() {
-  if (!is_active_ || G()->close_flag()) {
+  if (td_->auth_manager_->is_bot() || G()->close_flag()) {
     return;
   }
 
diff --git a/td/telegram/TopDialogManager.h b/td/telegram/TopDialogManager.h
index b9513ee28..51a7b16eb 100644
--- a/td/telegram/TopDialogManager.h
+++ b/td/telegram/TopDialogManager.h
@@ -52,7 +52,6 @@ class TopDialogManager final : public Actor {
   Td *td_;
   ActorShared<> parent_;
 
-  bool is_active_ = false;
   bool is_enabled_ = true;
   bool is_synchronized_ = false;
   int32 rating_e_decay_ = 241920;