HOW TO LEAVE FACEBOOK. A poster by Jeremy Deller. No, we are not trying to influence you. At all.
And if you can't leave for work reasons you might be interested in this option:
https://www.eff.org/deeplinks/2018/03/how-change-your-facebook-settings-opt-out-platform-api-sharing
( thanks Eduardo Cachucho (DAI, 2015) for sharing this link).