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

https://domgodwinson38.gumroad.com/p/what-is-private-chat-in-grok-and-does-it-save-history

To delete your Grok chat history, go to grok.com/app or X and clear chats directly from the conversation view. Remember, files and Imagine media don’t delete automatically—they require manual removal from their folders