You will need to install a user script manager extension to install this script.
This userscript completely removes the "Trending" button from the sidemenu since nobody on earth is gonna watch those videos anyways.
This script works with both the old and new YouTube design.
If you want to submit a bug or a feature request, please use the greasyfork rating system or contact me on Discord.
Also please maybe take a look at my profile for a few other useful userscripts you might enjoy. Thanks :)