https://addons.mozilla.org/en-US/firefox/addon/reddit-ad-remover/ https://addons.mozilla.org/en-US/firefox/addon/reddit-ad-rem... Works on firefox mobile too,

https://addons.mozilla.org/en-US/firefox/addon/reddit-ad-remover/ https://addons.mozilla.org/en-US/firefox/addon/reddit-ad-rem... Works on firefox mobile too, just have to go to extensions for all firefox (as opposed to the default mobile firefox extensions page), and add it from there.