During the Pacific War, the government tried to integrate the Kogi Shingon sect and the Shingi Shingon sect again, and they were integrated into the Daishingon sect.
太平洋戦争にともなう、政府の宗教政策により再び、古義真言宗派と新義真言宗派の合同が図られ、大真言宗に統合させられた。