2 Kings 15:35

However the high places were not taken away. The people still sacrificed and burned incense in the high places. He built the upper gate of the house of LORD.

2 Kings 12:3

However the high places were not taken away; the people still sacrificed and burnt incense in the high places.

2 Chronicles 23:20

And he took the captains of hundreds, and the mighty men, and the governors of the people, and all the people of the land, and brought down the king from the house of LORD. And they came through the upper gate to the king's house,

2 Kings 15:4

However the high places were not taken away; the people still sacrificed and burnt incense in the high places.

2 Kings 18:4

He removed the high places, and broke the pillars, and cut down the Asherah, and he broke in pieces the brazen serpent that Moses had made. For to those days the sons of Israel burned incense to it, and he called it Nehushtan.

2 Chronicles 27:3-9

He built the upper gate of the house of LORD, and on the wall of Ophel he built much.

2 Chronicles 32:12

Has not the same Hezekiah taken away his high places and his altars, and commanded Judah and Jerusalem, saying, Ye shall worship before one altar, and upon it ye shall burn incense?

Treasury of Scripture Knowledge

Summary

Howbeit the high places were not removed: the people sacrificed and burned incense still in the high places. He built the higher gate of the house of the LORD.

The higher gate

Bible References

Howbeit

2 Kings 15:4
However the high places were not taken away; the people still sacrificed and burnt incense in the high places.
2 Kings 18:4
He removed the high places, and broke the pillars, and cut down the Asherah, and he broke in pieces the brazen serpent that Moses had made. For to those days the sons of Israel burned incense to it, and he called it Nehushtan.
2 Chronicles 32:12
Has not the same Hezekiah taken away his high places and his altars, and commanded Judah and Jerusalem, saying, Ye shall worship before one altar, and upon it ye shall burn incense?

The higher gate

2 Chronicles 27:3
He built the upper gate of the house of LORD, and on the wall of Ophel he built much.