diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 7b5bee374..e9cb7694c 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -3610,9 +3610,6 @@ updateAuthorizationState authorization_state:AuthorizationState = Update;
 //@description A new message was received; can also be an outgoing message @message The new message
 updateNewMessage message:message = Update;
 
-//@description A new channel difference part was received @channel_difference_id The channel difference id
-updateNewChannelDifferencePart channel_difference_id:int64 = Update;
-
 //@description A request to send a message has reached the Telegram server. This doesn't mean that the message will be sent successfully or even that the send message request will be processed. This update will be sent only if the option "use_quick_ack" is set to true. This update may be sent multiple times for the same message
 //@chat_id The chat identifier of the sent message @message_id A temporary message identifier
 updateMessageSendAcknowledged chat_id:int53 message_id:int53 = Update;