5 Then he removed the idolatrous priests whom the kings of Judah had ordained to burn incense on the high places in the cities of Judah and in the places all around Jerusalem, and those who burned incense to Baal, to the sun, to the moon, to the constellations, and to all the host of heaven. 6 And he brought out the wooden image from the house of the Lord, to the Brook Kidron outside Jerusalem, burned it at the Brook Kidron and ground it to ashes, and threw its ashes on the graves of the common people. 7 Then he tore down the ritual booths of the perverted persons that were in the house of the Lord, where the women wove hangings for the wooden image. 8 And he brought all the priests from the cities of Judah, and defiled the high places where the priests had burned incense, from Geba to Beersheba; also he broke down the high places at the gates which were at the entrance of the Gate of Joshua the governor of the city, which were to the left of the city gate. 9 Nevertheless the priests of the high places did not come up to the altar of the Lord in Jerusalem, but they ate unleavened bread among their brethren.
Matthew Henry's Commentary on 2 Kings 23:5-9
Commentary on 2 Kings 23:4-14
(Read 2 Kings 23:4-14)
What abundance of wickedness in Judah and Jerusalem! One would not have believed it possible, that in Judah, where God was known, in Israel, where his name was great, in Salem, in Zion, where his dwelling-place was, such abominations should be found. Josiah had reigned eighteen years, and had himself set the people a good example, and kept up religion according to the Divine law; yet, when he came to search for idolatry, the depth and extent were very great. Both common history, and the records of God's word, teach, that all the real godliness or goodness ever found on earth, is derived from the new-creating Spirit of Jesus Christ.