They are replaced in the 20-man squad by defender Renat Yanbayev and midfielder Denis Glushakov from the Russian league leader Lokomotiv Moscow.
Russia will host Armenia in St. Petersburg on June 7 and play Cameroon in Salzburg, Austria, three days later.
Russia, Slovakia and Ireland are tied at the top of Group B with 10 points from five games each. Armenia, which held Russia to a 0-0 draw in March, is two points behind.
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