Some religious customs, such as Muslim burial and male circumcision, continued to be practiced throughout the Soviet period, but most religious belief, knowledge, and customs were preserved only in rural areas in "folk form" as a kind of unofficial Islam not sanctioned by the state-run Spiritual Directorate.
Beberapa kebiasaan agama, seperti pemakaman Muslim dan sunat laki-laki, terus berlatih sepanjang periode Soviet, tapi yang paling keyakinan agama, pengetahuan, dan kebiasaan yang dipertahankan hanya di daerah pedesaan di "rakyat" sebagai semacam resmi Islam tidak disetujui oleh negara yang dikelola Direktorat Spiritual.