Early in my career, I made the mistake of revealing to my employers that I'm competent at my job. More and more work flowed onto my plate and before long, I was assigned tasks that were supposed to go to seniors. So, the seniors received almost double my salary while they enjoyed more open schedules since I was doing my work + some of theirs.
It's simply not worth it to go above and beyond at work, unless it's your own business.
if you can dig a hole the fastest someone eventually is going to hand you a bigger shovel
-an uncle of mine multiple occasions.
I do have to mention that he was one of the laziest people I have ever known and died in his mid-40s due to his weight and zero exercise. So while he was technically correct you might be better off being wrong in this one case.