I presume ABP should be uninstalled – please include answer in the FAQ

[statshero]

Sorry if I missed it somewhere.

[harshanvn]

It is not advisable to use other blocker, in order to benefit from its higher efficiency.

Link @homepage - https://github.com/gorhill/uBlock#note-for-all-browsers

[gorhill]

It's just common sense: why would someone use two extensions that do the same thing?