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

https://www.slideserve.com/aaron_ward92/how-do-i-delete-grok-chat-history-on-grok-com

To delete your Grok chat history on grok.com/app and X, go into your chat settings and choose “Delete Conversation.” Remember, chat history deletion does not remove files or Imagine media—they need to be deleted separately