That filthy altar, which Ahaz had put in the place of God's altar, 2 Kings 16:11, &c., and the idols or other abominable or polluting things which were there. Out of the holy place; the temple, or the priests court, which also is called a holy place, Leviticus 6:16, Leviticus 10:13 Numbers 28:7.
Related Commentaries of 2 Chronicles 29:5
2 Chronicles 29:5
5 And said unto them, Hear me, ye Levites, sanctify now yourselves, and sanctify the house of the LORD God of your fathers, and carry forth the filthiness out of the holy place.