Joshua 23:7

23:7 or associate with these nations that remain near you. You must not invoke or make solemn declarations by the names of their gods! You must not worship or bow down to them!

Joshua 23:16

23:16 If you violate the covenantal laws of the Lord your God which he commanded you to keep, and follow, worship, and bow down to other gods, the Lord will be very angry with you and you will disappear quickly from the good land which he gave to you.”