diff --git a/td/telegram/net/DcAuthManager.cpp b/td/telegram/net/DcAuthManager.cpp
index a4355c663..ad99e72ae 100644
--- a/td/telegram/net/DcAuthManager.cpp
+++ b/td/telegram/net/DcAuthManager.cpp
@@ -96,8 +96,9 @@ DcAuthManager::DcInfo *DcAuthManager::find_dc(int32 dc_id) {
 void DcAuthManager::update_auth_key_state() {
   auto dc_id = narrow_cast<int32>(get_link_token());
   auto &dc = get_dc(dc_id);
+  auto old_auth_key_state = dc.auth_key_state;
   dc.auth_key_state = get_auth_key_state(dc.shared_auth_data->get_auth_key());
-  VLOG(dc) << "Update " << dc_id << " auth key state from " << dc.auth_key_state << " to " << dc.auth_key_state;
+  VLOG(dc) << "Update DcId{" << dc_id << "} auth key state from " << old_auth_key_state << " to " << dc.auth_key_state;
 
   loop();
 }
diff --git a/tdutils/td/utils/ConcurrentHashTable.h b/tdutils/td/utils/ConcurrentHashTable.h
index 51b2a71b7..5bc94c4db 100644
--- a/tdutils/td/utils/ConcurrentHashTable.h
+++ b/tdutils/td/utils/ConcurrentHashTable.h
@@ -308,7 +308,6 @@ class ConcurrentHashMap {
         continue;
       }
       auto node_key = node.key.load(std::memory_order_relaxed);
-      //LOG(ERROR) << node_key << " " << node_key;
       auto ok = migrate_to_hash_map_->with_value(
           node_key, true, [&](auto &node_value) { node_value.store(old_value, std::memory_order_relaxed); });
       LOG_CHECK(ok) << "Migration overflow";