This caution is based upon the notion generally entertained in the ancient pagan world, that each country had its own tutelary deities whom it would be perilous to neglect; compare 1 Kings 20:23; 2 Kings 17:26. Israel was to shun such superstitions as unworthy of the elect people of God.
Related Commentaries of Deuteronomy 12:30
Deuteronomy 12:30
30 Take heed to thyself that thou be not snared by following them, after that they be destroyed from before thee; and that thou enquire not after their gods, saying, How did these nations serve their gods? even so will I do likewise.