撤销 (撤銷) chè​xiāo
repeal verb
to officially cancel or annul a law, decree, decision, or appointment

The court dropped the charges against him.

undo verb
to reverse the most recent action or command in a computer program

You can press Ctrl+Z to undo your last action.

Frequency

Movie subtitles
2.06 per million appears in 1% of films
Written text
1.89 per million

Sources