K.S.A. 59-612: Revocation of second will not revivor of first, when.

If the testator shall make a second will, the revocation of the second will shall not revive the first will, unless it appears by the terms of such revocation that it was the testator's intention to revive the first will, or unless after such revocation the testator shall duly republish his or her first will in the presence of two or more competent witnesses who shall subscribe the same in the presence of the testator.