(transitive) To divest of the character or status of a doctor.
Thomas CarlyleMy brother-in-law is a paragon of the class, but he is so by—in as much as possible—undoctoring himself.
(transitive) To restore (something illicitly altered) to its correct form.
2012, William L. DeAndrea, Killed in the ActIf their accountants are undoctoring the books properly, there's evidence he's ripped off something close to two million bucks on this Arizona thing alone.