You must utterly destroy the evil spirits just like the Children of Israel had to utterly destroy the nations they encountered.
Utterly Destroy Evil Spirits
Bishop M.L. Maughmer, Jr.
Deuteronomy 7:1-2 " When the LORD thy God shall bring thee into the land whither thou goest to possess it, and hath cast out many nations before thee, the Hittites, and the Girgashites, and the Amorites, and the Canaanites, and