We're sorry to see you go! To request that your account be deleted, first log in to your Lagunita account. Then click the Support tab on the top left of the page and submit a help ticket. We will delete your account within a few days. You can also submit a help ticket from the Help Center – just make sure to include your account email address and username.
If you just want to opt out of email from your courses, you can go to your Dashboard page at lagunita.stanford.edu/dashboard, then click the gear icon to the right of the course title and select "Email Settings". Deselect the checkbox and save your preferences.