Nehemiah 13:9

and I speak, and they cleanse the chambers, and I bring back thither the vessels of the house of God with the present and the frankincense.

2 Chronicles 29:5

And he saith to them, 'Hear me, O Levites, now, sanctify yourselves, and sanctify the house of Jehovah, God of your fathers, and bring out the impurity from the sanctuary,

2 Chronicles 29:15-19

and they gather their brethren, and sanctify themselves, and come in, according to the command of the king in the matters of Jehovah, to cleanse the house of Jehovah,

Nehemiah 12:45

And the singers and the gatekeepers keep the charge of their God, even the charge of the cleansing -- according to the command of David and Solomon his son,

Treasury of Scripture Knowledge

Summary

Then I commanded, and they cleansed the chambers: and thither brought I again the vessels of the house of God, with the meat offering and the frankincense.

Bible References

They cleansed

Nehemiah 12:45
And the singers and the gatekeepers keep the charge of their God, even the charge of the cleansing -- according to the command of David and Solomon his son,
2 Chronicles 29:5
And he saith to them, 'Hear me, O Levites, now, sanctify yourselves, and sanctify the house of Jehovah, God of your fathers, and bring out the impurity from the sanctuary,