unamend
/ˌʌnəˈmɛnd/Definitions
1. verb
to cancel or repeal a law, proposal, or decision that has already been passed or agreed upon.
“The proposed tax amendment was unamended and eventually withdrawn from consideration.”
2. verb
to remove or cancel an amendment or alteration.
“The new policy unamends the previous changes and reverts to the original plan.”
3. noun
the act of canceling or repealing a law, proposal, or decision.
“The unamend of the bill was met with controversy and opposition from various groups.”