2 Kings 23:19-21
19 And all the houses also of the high places that were in the cities of Samaria, which the kings of Israel had made to provoke [Jehovah] to anger, Josiah removed, and did to them according to all the acts that he had done in Bethel.
20 And he sacrificed upon the altars all the priests of the high places that were there, and burned men's bones upon them. And he returned to Jerusalem.
21 And the king commanded all the people saying, Hold the passover to Jehovah your God, as it is written in this book of the covenant.Read full chapter