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In page Justinian I:

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Justinian's religious policy reflected the conviction that the unity of the empire presupposed unity of faith under the Chalcedonian Church.[citation needed] Those of different beliefs were subjected to persecution, which imperial legislation had effected from the time of Constantius II and which would now vigorously continue. The Codex contained two statutes[1] that decreed the total destruction of paganism, even in private life; these provisions were zealously enforced. Contemporary sources (John Malalas, Theophanes, and John of Ephesus) tell of severe persecutions, including men in high positions.[2]