I use uBlock/adBlock, so right click on the Leaderboard, create a custom filter and that's it, bye. Other features of Duolingo (the streak, the daily goal, etc

I use uBlock/adBlock, so right click on the Leaderboard, create a custom filter and that's it, bye. Other features of Duolingo (the streak, the daily goal, etc.) play really well with my own intrinsic motivation, FWIW.