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

https://lukasnpyy234.cavandoragh.org/how-do-i-find-my-grok-history-list-quickly-on-the-web

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