To delete your Grok chat history on grok.com/app and X, go to 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 to your chat settings and choose “Delete Chat.” Remember, this only removes text conversations. If you have files or Imagine media, delete those separately in their folders