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

https://sierra-wiki.win/index.php/My_Grok_Imagine_Upload_Won%E2%80%99t_Delete_-_What_Are_My_Options%3F

To delete your Grok chat history, go to grok.com/app or your X messages and remove conversations there. Remember, deleting chats doesn’t erase files or Imagine media—those need to be deleted separately