To delete your Grok chat history, go to grok.com/app or X and remove the chats...

https://www.bookmark-help.win/to-delete-your-grok-chat-history-on-grok-com-app-and-x-go-to-your-chat-1

To delete your Grok chat history, go to grok.com/app or X and remove the chats directly. Remember, this won’t delete any files or Imagine media—you need to delete those separately