verb
revoke
ri-VOHK/rɪˈvəʊk/
To officially cancel something previously granted.
The official revokes the parking permit by stamping it cancelled.

Etymology
To revoke is literally to “call back.” The image extends from recalling something to retracting a declaration or withdrawing permission, making it no longer valid.
In context
The grantor retains the right to revoke the trust and resume direct control of all assets at any time upon 30 days written notice.
More examples
- The city revoked the restaurant's permit after a safety inspection.
- The agency revokes funding when recipients break its rules.
- The administrator is revoking his access to confidential files.
Forms
revoke · revokes · revoked · revoking
revocation noun — Official cancellation of something previously granted.