diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 97b37fc15..dbba87a29 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -35821,8 +35821,8 @@ void MessagesManager::get_channel_difference_delayed(DialogId dialog_id, int32 p
     get_channel_difference(dialog_id,pts, force, "on_get_channel_difference");
   } else {
     auto channel_difference_id = ++last_pending_channel_difference_;
-    PendingChannelDifference pendingChannelDifference = {dialog_id, pts, force};
-    pending_channel_difference_[channel_difference_id] = pendingChannelDifference;
+    PendingChannelDifference pending_channel_difference = {dialog_id, pts, force};
+    pending_channel_difference_[channel_difference_id] = pending_channel_difference;
     send_closure(G()->td(), &Td::send_update,
                  make_tl_object<td_api::updateNewChannelDifferencePart>(channel_difference_id));
   }
diff --git a/td/telegram/MessagesManager.h b/td/telegram/MessagesManager.h
index 784a4574d..3efa4b0b5 100644
--- a/td/telegram/MessagesManager.h
+++ b/td/telegram/MessagesManager.h
@@ -3137,11 +3137,6 @@ class MessagesManager : public Actor {
     DialogId dialog_id;
     int32 pts;
     bool force;
-
-    PendingChannelDifference(DialogId dialog_id, int32 pts, bool force)
-        : dialog_id(dialog_id), pts(pts), force(force) {
-
-    }
   };
   std::unordered_map<int64, PendingChannelDifference> pending_channel_difference_;
   int64 last_pending_channel_difference_ = 0;