Signed up for Google Alerts a while back and want to cancel one of my alerts because I'm not actually tracking that news any more. What's the. You can change the frequency or cancel your alerts at any time. your request is to type the e-mail address where you want your Google Alerts delivered. Also, each e-mail you receive contains a link to delete the alert, so you can cancel any time you want. Figure Manage Google Alerts From Your E-mail.