2 Kings 23:19-21
Lexham English Bible
19 Moreover, all of the shrines of the high places which were in the towns of Samaria which the kings of Israel had made to provoke Yahweh, Josiah removed, and he did to them like all of the deeds he had done in Bethel. 20 Then he slaughtered all of the priests of the high places who were there, on the altars, and he burned the bones of the humans on them. Then he returned to Jerusalem.
21 Then the king commanded all of the people, saying, “Keep the Passover to Yahweh your God, as has been written on the scroll of this covenant.”Read full chapter