This trend can be linked to prohibition of the use of the 'gongen' title and there are also indications that it is partially due to the anti-Buddhist movement, but it is far more likely to be a result of the streamlining that arose as a result of the status of shrines as nationally managed institutions.
これを権現号の使用禁止と関連させて、排仏政策によるものだという指摘もあるが、それよりはむしろ国家管理の施設としての合理化によるものといえるだろう。