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

https://elliottkykp923.yousher.com/how-do-i-handle-a-stubborn-grok-file-that-won-t-delete

To delete your Grok chat history, go to grok.com/app or X and remove messages directly. Remember, files and Imagine media don’t delete automatically and need to be cleared separately