Anti-sectarian movements in Islam
Anti-sectarian movements in Islam refers to contemporary religious trends that call upon Muslims to abandon sectarian labels such as Sunni, Shia, Deobandi, Barelvi and Ahl-e-Hadith, and to identify simply as "Muslim". These movements argue that sectarian identities are later historical developments that divide the ummah and conflict with Qur'anic injunctions against factionalism.
Source: Wikipedia — Anti-sectarian movements in Islam (CC BY-SA 4.0)