How to clear specific keybinds?

I have a NES-style gamepad with two face buttons (one less than in the embedded image), a D-pad, 'select' and 'start'. The issue with Shovel Knight is that the game allows duplicate keybinds seemingly without limitations and I can't for instance avoid sharing the 'pause' function with some other action due to how the defaults are set.
The easiest way I know to sidestep the issue is to access the inventory using keyboard instead of the controller.
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How do I clear Keybinds?
Normal minecraft allows you to unbind by pressing escape as a selection, but in badlion it gets set to button 100, which is the esc key and that bothers me so much. Positions: - Client Mod. - Retired Staff.How do you clear a Keybind in Minecraft?
To change them you just have to change the shortcut text and save it. For example, if you want to change the key binding to open the search box to Ctrl+shift+s instead of the default ctrl+shift+f, just replace the shortcut text with your shortcut.How do I change my default Keybinds?
This is very frustrating and unintuitive, but to add on to Tiara's comment:Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Jess Loiterton, Engin Akyurt, Jess Loiterton, Engin Akyurt