IKS Theoretically, yes, it is possible. Practically it may be somewhat difficult. You can try to remove the Superuser application. May I ask why you need to unroot it?
keng I do not know how it was detected. For example, Netflix can not be installed on a rooted machine and Hollywood TV application will not play it if it is rooted.
IKS We can't help you until you find out how the root is detected. If you simply need to remove an application, you can mount your sdcard in Linux and delete /system/app/Superuser
