Originally Posted by crackface
If possible, I'd like to remove root from my stock image, leaving the recovery, so I can use it for a business app that doesn't operate with root. Can this be done?
Yes. Open SuperSU, and use the "Settings", "Full unroot" option. That'll remove SU and allow your app to run if it only looks if you're rooted.
Some applications, like "Good", don't just check for rooted device - they also check for evidence that the device is rooted. I fight this battle all the time on my Galaxy Tab - it's rooted, kind of, but Good can't tell.. but I can't use the root permissions without disabling Good, rebooting, then enabling root.
You've got to remove any evidence of busybox having been installed as well as any evidence of any rooting programs for Good to be happy.
See the Saferoot thread for an unrooting script which may work for you.