Use this method for any phone or tablet that runs Android. If you use the YouTube mobile website instead of the app, download the app or log in on a computer to get access to all history clearing functions. 1  On the mobile website, you can remove individual videos from your history, but not all of them at once.f you want to delete your entire watch history, click the Clear all watch history button at the top of the page. 5. Remove just one video from your history. To remove one video at a time from your history, mouse over the video, and look for three gray dots that appear on the far right of the screen.