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

https://www.bookmarkingvictor.win/to-delete-your-grok-chat-history-go-to-grok-com-app-or-use-the-x-app-and-clear

To delete your Grok chat history on grok.com/app and X, go to your chat settings and clear the conversation. Remember, deleting chat doesn’t remove files or Imagine media—they need to be deleted separately