Vileišis was one of the four members of the Council to resign on January 26, 1918, on the grounds that the Council of Lithuania had no right to usurp the rights of the Constituent Assembly of Lithuania, and that its authority only applied to the determination of Lithuania's future and model of the state.
Vileišis was one of the four members who stepped down on January 26, 1918, due to the Council of Lithuania overstepping its authority and disregarding the rights of the Lithuanian Constituent Assembly, which only had jurisdiction over determining Lithuania's future state structure.