Borderlands 2 - Still getting xp (i'm at level 80)

For some reason, i’m at level 80 and i can’t do op levels. I kill something and i still get xp and the bar goes up, any help?

To get OP levels available, I think you need to finish The Raid on Digistruct Peak at max level. As far as the XP bar still going up, not sure on that one. I know at max level, it still shows how much XP you get for a kill but it shouldn’t increase your XP bar.