Joseph Benson's Commentary of the Old and New Testaments - Hebrews 7:18-19
Hebrews 7:18-19. For there is verily Implied in this new and everlasting priesthood, and in the new dispensation connected therewith; a disannulling of the preceding commandment An abrogation of the Mosaic law; for the weakness and unprofitableness thereof In comparison of the new priesthood and dispensation. See on Romans 8:3. For the law The dispensation of Moses, taken by itself, separate from the light and grace of the gospel: made nothing perfect Either as to the state of... read more
Albert Barnes' Notes on the Whole Bible - Hebrews 7:18
For there is verily a disannulling - A setting aside. The Law which existed before in regard to the priesthood becomes now abrogated in consequence of the change which has been made in the priesthood; see the note at Hebrews 7:12.Of the commandment - Relating to the office of priest, or to the ceremonial rites in general. This does not refer to the moral law, as if that was abrogated, for:(1)The reasoning of the apostle does not pertain to that, and,(2)That law cannot be abrogated. It grows out... read more