Sign out of all of your Google accounts. Make sure that you are not logged in with any of your accounts on any Google website. This is especially important if you are trying to delete just one of multiple accounts.Log in to your Google account that you want to delete. Click the arrow next to your name to double-check that you are not signed in with multiple accounts.Open your account details. Click Data tools at the top.tar, click the small downward-pointing arrow to pull up your card, and click Account.In the Data tools box. Scroll down to Account Management and click Delete account and data.