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

https://quebeck-wiki.win/index.php/What_Does_Grok_Delete_on_X_When_I_Hit_%22Delete_Conversation_History%22%3F

To delete your Grok chat history on grok.com/app and X, go to your chat settings and choose delete history. Remember, this does not remove files or Imagine media—they need to be deleted separately