Goku, Elder Kai and others in “Unfinished Business”

Lets see. I guess we could keep Buu indoors and away from everyone for the first six months. Then we could use the Dragon Balls to wish the Earthling's memory of Buu away. See, it's that simple.

Yeah, sure. Just wish it away. Great. Eh...

Well, then. It's all settled, right?

Vegeta

Yes, that's a brilliant idea... if you don't have a brain!