I don't see why not. It's probably only screwed into the floor and maybe the walls. The tricky part would be finding a couch that fits the hole and getting it in the door.
2016 Jayco Eagle HT 29.5BHDS (ordered 12/30/15, delivered 3/8/16)
2015 F-350 crew cab, short bed, 6.7L PSD, Pullrite Superglide 3300 hitch