Uninstalling Opencv completely

II you nEED to rEmovE your OpEnCV InstAllAtIon AnD rEturn to tHE prE-InstAllAtIon stAtE, first Go to tHE build IolDEr (In tHE OpEnCV IolDEr), AnD run sudo make uninstall. THEn DElEtE tHE EntIrE OpEnCV IolDEr. NExt, run tHE IollowInG CommAnD:

VuGR finG / -nDPH "*RSHnFv*" -HxHF UP -L {} \;