2 Chronicles 34:7

Then he tore down the altars, beat the Asherah poles and idols into powder, and cut down all the incense altars everywhere in Israel. Then he went back to Jerusalem.

2 Chronicles 31:1

When this ended, all Israel who were present went out to the cities of Judah, broke the pillars in pieces, cut down the Asherim and pulled down the high places and the altars throughout all Judah and Benjamin, Ephraim and Manasseh. They destroyed them all. Then all the sons of Israel returned to their cities, each to his possession.

Deuteronomy 9:21

I took your sinful thing, the calf that you had made, and burned it with fire and crushed it. I ground it very small until it was as fine as dust. I threw its dust into the brook that flowed down the mountain.

2 Chronicles 34:1

Josiah was eight years old when he became king. He was king for thirty-one years in Jerusalem.

Treasury of Scripture Knowledge

Summary

And when he had broken down the altars and the groves, and had beaten the graven images into powder, and cut down all the idols throughout all the land of Israel, he returned to Jerusalem.

He returned

Bible References

Beaten

2 Chronicles 34:1
Josiah was eight years old when he became king. He was king for thirty-one years in Jerusalem.
Deuteronomy 9:21
I took your sinful thing, the calf that you had made, and burned it with fire and crushed it. I ground it very small until it was as fine as dust. I threw its dust into the brook that flowed down the mountain.

He returned

2 Chronicles 31:1
When this ended, all Israel who were present went out to the cities of Judah, broke the pillars in pieces, cut down the Asherim and pulled down the high places and the altars throughout all Judah and Benjamin, Ephraim and Manasseh. They destroyed them all. Then all the sons of Israel returned to their cities, each to his possession.