The Great Suspender is a wonderful extension which suspends unused tabs to save on CPU and memory usage. Unfortunately, it creates some not-so-wonderful gsScrollPos-X cookies which completely break certain websites like YouTube and Google Maps.
This is a simple userscript that kills any cookie that it makes. Use it with Tampermonkey (Chrome) or Greasemonkey (Firefox, untested).
That's fair. Check the cookiekiller.user.js file to see exactly what this does and how it does it.
Click on this extremely excited feline.
Or click here if you're boring.