N.C. Gen. Stat. § 31-5.2
Revocation of nuncupative will.
§ 31-5.2. Revocation of nuncupative will.
A nuncupative will or any part thereof may be revoked
(1) By a subsequent nuncupative will, or
(2) By a subsequent written will or codicil or other revocatory writing executed in the manner provided herein for the execution of written wills.