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

https://victor-wiki.win/index.php/What%E2%80%99s_the_Difference_Between_Deleting_Grok_History_and_Deleting_the_Account%3F

To delete your Grok chat history on grok.com/app and on X, go to the chat settings and select 'Delete History.' Remember, deleting chat doesn’t remove files or Imagine media—they must be deleted separately in their sections