2 Kings 23:6

23:6 He removed the Asherah pole from the Lord’s temple and took it outside Jerusalem to the Kidron Valley, where he burned it. He smashed it to dust and then threw the dust in the public graveyard.

2 Kings 23:11

23:11 He removed from the entrance to the Lord’s temple the statues of horses that the kings of Judah had placed there in honor of the sun god. (They were kept near the room of Nathan Melech the eunuch, which was situated among the courtyards.) He burned up the chariots devoted to the sun god.

2 Kings 23:16

23:16 When Josiah turned around, he saw the tombs there on the hill. So he ordered the bones from the tombs to be brought; he burned them on the altar and defiled it. This fulfilled the Lord’s announcement made by the prophet while Jeroboam stood by the altar during a festival. King Josiah turned and saw the grave of the prophet who had foretold this.