It's important to note that there's a difference between deleting your Facebook account and deactivating it. Deactivating your Facebook account temporarily freezes it... But that does nothing to prevent the company from tracking your online activity. 1. Delete the Facebook app from your phone and tablet ... To fully separate from Facebook, deleting your account is the only answer. Deleting it also severs ties to Facebook Messenger, the platform's chat app. (If you want to also get rid of Instagram and WhatsApp, which are Facebook properties, you'll have to do that separately.) 3. Disconnect your Facebook account from other apps...