How do you politely ask your biyenan to move out of your house?

Well, I've done this before, my wife and I talked to my mom-in-law if she can "have a vacation" in our province because there are lots of things that we can't talk over when she's around. But we promise to visit her every other weekend. She understood the situation. But I believe there are other in-laws who will take that negatively. But again, it should be you and your spouse not only just you or her.