Yes you have to hide your power level actively. I do exactly what is stipulated in my contract and do not go over it ever unless ordered.
Discussion
I just refuse to do it mayne. I'm not gonna work at some shitheel pace. I have to be constantly stimulated or I get bored. I just expect to be compensated in accordance with it. If the company can't keep up with how fuckin good I am at what I do, I'll find someone who can.