To delete your Grok chat history, go to grok.com/app or use the X platform,...

https://stateofseo.com/how-do-i-handle-a-stubborn-grok-file-that-wont-delete/

To delete your Grok chat history, go to grok.com/app or use the X platform, open your chats, and select delete for each conversation. Remember, deleting chats doesn’t remove files or media from Imagine—they need to be deleted separately