Abrogate

[Raeanne Dimick]

To annul by an authoritative act; to abolish by the
authority of the maker or his successor; to repeal; -- applied to the
repeal of laws, decrees, ordinances, the abolition of customs, etc.

[Cami]

Repeal or do away with (a law, right, or formal agreement)

[Dave Paprocki]

[repeal] of a law by the Roman people; and hence, when the power of making laws was usurped by the emperors, the term was applied to their act of setting aside the laws.Thus it came to express that act by which a [sovereign] or an executive government sets aside laws, [ordinances],regulations, treaties,conventions,etc.

[Julene]

to end a law, agreement, or custom formally: