cancel(To revoke an action. To quit an action without saving any changes that the action would result in); undo(To go back to a previous state by reversing the effects of one or more commands); discard(To remove something)
pull the plug on(pulled the plug on a plan to run power lines through a provincial park • pulled the plug on the stadium revamp • pulled the plug on library funding • residents demanding to pull the plug on a low-barrier homeless shelter and recovery centre across from an elementary schoolART Vancouver)
cancel(e.g., a permit); repeal(e.g., a law); revoke(e.g., a will); supersede; vacate(In Holmes v. SGB Services Plc the judge granted an application to vacate the trial date, to amend particulars of claim and to re-instruct the expert. CME Alexander Demidov); set aside(e.g., a judgment)
Undo(кнопка на панели инструментов окна Explorer, Windows 98 — отменяет предыдущую операцию, надпись на кнопке может изменяться в зависимости от вида предыдущей операции — например, Undo Delete (отменить удаление) или Undo Copy (отменить копирование))
swaego.ru bojana); scrap (to abandon or get rid of as no longer of enough worth or effectiveness to retain (Merriam-Webster)
• scrap outworn methods ART Vancouver); call off (мероприятие и т.п.); rescind (MargeWebley); put down; take off (налог); abolish; back out of (sth., что-л., напр., принятое ранее решение); rule out