Exodus 23:32
You shall make no covenant with them, nor with their gods.
Torrey's Topical Textbook—AKJV

Deuteronomy 7:2
And when the LORD your God shall deliver them before you; you shall smite them, and utterly destroy them; you shall make no covenant with them, nor show mercy to them:
Torrey's Topical Textbook—AKJV