Hezekiah and the people destroy idols
Hezekiah destroyed the bronze serpent Moses had made because people were worshiping it. The Israelites destroyed idolatrous shrines throughout Israel and Judah.
Key passages
2 Ki 18:4

He removed the high places, and he smashed the stone pillars; he cut down the poles of Asherah worship and demolished the bronze serpent that Moses had made, for up to those days the Israelites were offering incense to it and called it Nehushtan.

2 Ch 31:1

And when all this was finished, all Israel who were found in the cities of Judah went out and shattered the stone pillars, cut down the Asherahs, and destroyed the high places and the altars from all Judah, Benjamin, Ephraim, and Manasseh to the very last one. …