To destroy a building in Age of Empires II: Definitive Edition, simply select the chosen building and press the delete key on your keyboard. Hey presto! The building is no more. You will also see The only problem with Age of Empires 2: Definitive Edition is that you can already play the original Age of Empires 2. Oh and you can also already play Age of Empires 2 HD, which tidied up the AsDS.