In 1235, when Iwashimizu-Hachimangu shrine and Kofuku-ji temples had a dispute and Enryaku-ji Temple at Mt. Hiei became involved in the dispute, which caused the occurrence of a large-scale temple dispute, Yasutoki suppressed the temples' power by invoking the power of state.
嘉禎元年（1235年）、石清水宮と興福寺が争い、これに比叡山延暦寺も巻き込んだ大規模な寺社争いが起こると、強権を発して寺社勢力を押さえつけた。