unverify

verb

Etymology: From un- + verify.

1. To annul the verification of; to remove from a verified state.

   “Plenty of people verified that ... her own brother verified it . . . and nobody's going to unverify it now.”

   “This group of users includes anyone who has created a user account but either hasn't verified their account through their email or has been unauthorized by the administrator. The Administrator can unverify this user […]”