Exodus 23:29
I will not drive them out from before thee in one year: lest the land become desolate, and the beast of the field multiply against thee.
Deuteronomy 7:22
And Jehovah thy God will cast out those nations from before thee by little and little; thou shalt not be able to make an end of them at once, lest the beasts of the field increase upon thee.
Joshua 15:63
But as for the Jebusites, the inhabitants of Jerusalem, the children of Judah could not dispossess them; and the Jebusites dwell with the children of Judah at Jerusalem to this day.
Joshua 16:10
But they did not dispossess the Canaanites that dwelt at Gezer; and the Canaanites dwell in the midst of Ephraim to this day, and serve under tribute.
Joshua 17:12-13
But the children of Manasseh could not dispossess the inhabitants of those cities; and the Canaanites would dwell in that land.
Judges 3:1-4
Now these are the nations which the LORD left, to test Israel by them, that is, all in Israel who had no experience of any war in Canaan;