[Q] how to un-patch exynos buse apk from chainfire

view story

http://forum.xda-developers.com – I installed the ExynosAbuse apk by chainfire with intention to root the device, however, once installed, when go through the list of options, since the patch option come first, then followed by root, so I thought - I know I dumb on this - they are compliment to each other, or in other words, I can do both and the order presented is the desirable order, so clicked "patch". Now I can not root my device. and there is NO option to remove the patch in the app. So am I doomed, or there is a way to remove the patch? By the way, I am on 4.0.4 and this is an effort to first root the (HowTos)