Does scaling environment geometry negatively affect performance?

I’m working on a game with a miniature character in a real world environment. However, my player character is actually human-sized (for animation reasons). So I’m scaling my static environment geometry by 10x.

My question: should I scale the environment in my art package (Maya) prior to export, or is it “safe" to scale it in Unity? I want to avoid potential performance issues if my Unity scene is full of static geometry that’s been scaled 10x. And it’s also easier to model at real world scale in Maya.