Chronicles II 33:15

15 And he removed the strange gods, and the graven out of the house of the Lord, and all the altars which he had built in the mount of the house of the Lord, and in Jerusalem, and without the city.

Chronicles II 33:15 Meaning and Commentary

2 Chronicles 33:15

And he took away the strange gods, and the idol out of the
house of the Lord
Which he had set there, ( 2 Chronicles 33:7 )

and all the altars that he had built in the mount of the house of the
Lord, and in Jerusalem;
see ( 2 Chronicles 33:4 2 Chronicles 33:5 ) ,

and cast them out of the city;
perhaps into the brook Kidron; all this he did to show the sincerity of his repentance for his idolatry, and his abhorrence of it.

Chronicles II 33:15 In-Context

13 and he prayed to him: and he hearkened to him, and listened to his cry, and brought him back to Jerusalem to his kingdom: and Manasses knew that the Lord he is God.
14 And afterward he built a wall without the city of David, from the southwest southward in the valleys and at the entrance through the fish-gate, as men go out by the gate round about, even as far as Opel: and he raised it much, and set captains of the host in all the fortified cities in Juda.
15 And he removed the strange gods, and the graven out of the house of the Lord, and all the altars which he had built in the mount of the house of the Lord, and in Jerusalem, and without the city.
16 And he repaired the altar of the Lord, and offered upon it a sacrifice of peace-offering and thank-offering, and he told Juda to serve the Lord God of Israel.
17 Nevertheless the people still sacrificed on the high places, only to the Lord their God.

The Brenton translation of the Septuagint is in the public domain.