And he took away the foreign gods and the idol from the house of the LORD, and all the altars that he had built on the mountain of the house of the LORD and in Jerusalem, and he threw them outside of the city.
We have seen Manasseh by his wickedness undoing the good that his father had done; here we have him by repentance undoing the evil that he himself had done. It is strange that this was not so much as mentioned in the book of Kings, nor does any thing appear there to the contrary but that he persisted and perished in his son.
Commenting on 2 Chronicles 33:11-20
And he repaired the altar of the Lord,.... Which was fallen to ruin, being neglected and disused in his times of idolatry: or, according to the Keri, or marginal reading, and so the Targum, "he built it"; which perhaps he had before pulled down and destroyed: and sacrificed thereon peace offerings and thank offerings; to the Lord, for bringing him out of captivity, and restoring...
He took away the strange gods - He appears to have done every thing in his power to destroy the idolatry which he had set up, and to restore the pure worship of the true God. His repentance brought forth fruits meet for repentance. How long he was in captivity, and when or by whom he was delivered, we know not.