To delete your Grok chat history, go to grok.com/app and clear your...

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 and clear your conversations directly. On X, remove any Grok chats from your messages. Remember, deleting chats won’t erase files or Imagine media—they need separate deletion