Skandapurana 5.186.46

5.186.46

yo yajño dakṣiṇāhīno yaścāśaucayutaiḥ kṛtaḥ ..
brahmacaryavihīnastu tatphalaṃ te bhaviṣyati .. 46 ..

Whatever sacrifice is devoid of priestly fees, and whatever is performed by impure persons, / or devoid of celibacy, the fruit of that shall belong to you.”