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

https://source-wiki.win/index.php/Where_is_the_Delete_All_Conversations_Button_in_Grok_Settings%3F

To delete your Grok chat history, go to grok.com/app or your X account and remove the conversations there. Remember, deleting chat doesn’t erase files or Imagine media—that needs deleting separately