Exodus 23:29 in the King James Version
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.
Context
28 I will send the hornet before you, which will drive out the Hivite, the Canaanite, and the Hittite, from before you.
29 I will not drive them out from before you in one year, lest the land become desolate, and the animals of the field multiply against you.
30 Little by little I will drive them out from before you, until you have increased and inherit the land.