Yet, historian Raniero Cantalamessa states: “The decline of Melito, which progressively led to the disappearance of his writings, began when ​ — after the triumph of the custom of the Sunday Passover — ​ the Quartodecimans started to be considered heretics. ” In the end, the writings of Melito were almost completely lost.
Kā paskaidro vēsturnieks Ranjēro Kantalamesa, ” Melitona noriets, kura dēļ viņa darbi ar laiku pazuda, sākās tad, kad uzvarēja viedoklis, ka Lieldienas ir jāsvin svētdienā, un kvartodecimāņus sāka uzskatīt par ķeceriem ”.