diff --git a/td/telegram/ForumTopic.cpp b/td/telegram/ForumTopic.cpp
index d1b96d93d..79e44cf84 100644
--- a/td/telegram/ForumTopic.cpp
+++ b/td/telegram/ForumTopic.cpp
@@ -7,6 +7,7 @@
 #include "td/telegram/ForumTopic.h"
 
 #include "td/telegram/DraftMessage.h"
+#include "td/telegram/ForumTopicInfo.h"
 #include "td/telegram/ServerMessageId.h"
 #include "td/telegram/Td.h"
 
@@ -20,7 +21,6 @@ ForumTopic::ForumTopic(Td *td, tl_object_ptr<telegram_api::ForumTopic> &&forum_t
     LOG(INFO) << "Receive " << to_string(forum_topic_ptr);
     return;
   }
-  info_ = ForumTopicInfo(forum_topic_ptr);
   auto *forum_topic = static_cast<telegram_api::forumTopic *>(forum_topic_ptr.get());
   is_short_ = forum_topic->short_;
   if (is_short_) {
@@ -40,8 +40,8 @@ ForumTopic::ForumTopic(Td *td, tl_object_ptr<telegram_api::ForumTopic> &&forum_t
   draft_message_ = get_draft_message(td->contacts_manager_.get(), std::move(forum_topic->draft_));
 }
 
-td_api::object_ptr<td_api::forumTopic> ForumTopic::get_forum_topic_object(Td *td) const {
-  if (is_empty()) {
+td_api::object_ptr<td_api::forumTopic> ForumTopic::get_forum_topic_object(Td *td, const ForumTopicInfo &info) const {
+  if (info.is_empty()) {
     return nullptr;
   }
 
@@ -49,7 +49,7 @@ td_api::object_ptr<td_api::forumTopic> ForumTopic::get_forum_topic_object(Td *td
   // TODO last_message
   auto draft_message = get_draft_message_object(draft_message_);
   return td_api::make_object<td_api::forumTopic>(
-      info_.get_forum_topic_info_object(td), nullptr, is_pinned_, unread_count_, last_read_inbox_message_id_.get(),
+      info.get_forum_topic_info_object(td), nullptr, is_pinned_, unread_count_, last_read_inbox_message_id_.get(),
       last_read_outbox_message_id_.get(), unread_mention_count_, unread_reaction_count_,
       get_chat_notification_settings_object(&notification_settings_), std::move(draft_message));
 }
diff --git a/td/telegram/ForumTopic.h b/td/telegram/ForumTopic.h
index 3d42dcdfe..601251313 100644
--- a/td/telegram/ForumTopic.h
+++ b/td/telegram/ForumTopic.h
@@ -7,7 +7,6 @@
 #pragma once
 
 #include "td/telegram/DialogNotificationSettings.h"
-#include "td/telegram/ForumTopicInfo.h"
 #include "td/telegram/MessageId.h"
 #include "td/telegram/td_api.h"
 #include "td/telegram/telegram_api.h"
@@ -17,10 +16,10 @@
 namespace td {
 
 class DraftMessage;
+class ForumTopicInfo;
 class Td;
 
 class ForumTopic {
-  ForumTopicInfo info_;
   bool is_short_ = false;
   bool is_pinned_ = false;
   bool is_hidden_ = false;
@@ -38,15 +37,11 @@ class ForumTopic {
 
   ForumTopic(Td *td, tl_object_ptr<telegram_api::ForumTopic> &&forum_topic_ptr);
 
-  bool is_empty() const {
-    return info_.is_empty();
+  bool is_short() const {
+    return is_short_;
   }
 
-  MessageId get_top_thread_message_id() const {
-    return info_.get_top_thread_message_id();
-  }
-
-  td_api::object_ptr<td_api::forumTopic> get_forum_topic_object(Td *td) const;
+  td_api::object_ptr<td_api::forumTopic> get_forum_topic_object(Td *td, const ForumTopicInfo &info) const;
 };
 
 }  // namespace td