Navigate to uBlock origin Settings > Advanced Settings
. Change the value of userResourcesLocation
https://gist.githubusercontent.com/cmoog/a52a8107f7c99873ddcfa19e86ad3fb2/raw/fde58e3163fa4c36aae5e3d6b1f9dbade21ee30d/facebook-ad-killer.js
Update your uBlock origin My Filters
to include the following "rules"
www.facebook.com##+js(facebook-hide-sponsored)