Deuteronomy 20:16-17

BBE(i) 16 But in the towns of these peoples whose land the Lord your God is giving you for your heritage, let no living thing be kept from death: 17 Give them up to the curse; the Hittite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, as the Lord your God has given you orders: