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

https://lukaszaph075.almoheet-travel.com/why-did-a-deleted-grok-chat-reappear-on-my-other-device

To delete your Grok chat history, go to grok.com/app and remove conversations manually. On X, clear your chat threads there too. Remember, files and Imagine media don’t delete automatically—they need to be removed separately