By a resolution from the League of Nations on 18 April 1946, the Court and the League both ceased to exist and were replaced by the International Court of Justice and the United Nations.
Lewat sebuah resolusi Liga pada tanggal 18 April 1946, Liga Bangsa-Bangsa dan Mahkamah Tetap Internasional dibubarkan dan digantikan oleh Mahkamah Internasional dan Perserikatan Bangsa-Bangsa.