It would be better to temporarily suspend diplomatic relations with Finland and similar countries (such as Poland, the Baltic states and, of course, the UK), or at least downgrade their level for a while.
Source, in full
Written in an article in the Russian newspaper Rossiyskaya Gazeta (An official Russian media outlet), quoted in "Medvedev wants to suspend diplomatic relations with UK, Finland, Poland and Baltic states", Yahoo News, 2 July 2023