Sinod ukrajinske pravoslavne crkve zatražio je od vaseljenskog patrijarha da ideologiju „Ruskog sveta“ označi kao jeres te da ruskom patrijarhu Kirilu uskrati pravo na tron. U pismu se ističe da sama ideja „Ruskog sveta“ nije ni hrišćanska ni pravoslavna.
"We reject the heresy of the "Russian world" and the shameful actions of the Russian authorities to unleash the war against Ukraine, which is caused by this vile teaching, which has no justification — for the connivance of the Russian Orthodox Church, as actions deeply non-Orthodox, non-Christian."
Takođe, kažu u ukrajinskoj crkvi, radi se o „rasističkom konceptu“ po kojem su Rusija i Rusi bolji od ostalih naroda.
Denial of the freedom of entire nations is combined in the worldview of Kirill and his like-minded people with a racist theory in its spirit, according to which Russia and the "Russian world" are something fundamentally better and higher than other nations, and Russia's historical neighbors — Ukrainians and Belarusians — have the right to exist exclusively as part of Russian reality. This racist concept, which divides peoples and states into "real" and "artificial", tries to deny the right of the people of Ukraine to autocephaly and their own statehood.