2 Chr 34:3

וּבִשְׁמוֹנֶ֨ה שָׁנִ֜ים לְמָלְכ֗וֹ וְהוּא֙ עוֹדֶ֣נּוּ נַ֔עַר הֵחֵ֕ל לִדְר֕וֹשׁ לֵאלֹהֵ֖י דָּוִ֣יד אָבִ֑יו וּבִשְׁתֵּ֧ים עֶשְׂרֵ֣ה שָׁנָ֗ה הֵחֵל֙ לְטַהֵ֔ר אֶת־יְהוּדָה֙ וִיר֣וּשָׁלִַ֔ם מִן־הַבָּמוֹת֙ וְהָ֣אֲשֵׁרִ֔ים וְהַפְּסִלִ֖ים וְהַמַּסֵּכֽוֹת׃

In the eighth year of his reign, while he was still young, Josiah began to seek the God of his father David, and in the twelfth year he began to cleanse Judah and Jerusalem of the high places, the Asherah poles, the carved idols, and the cast images.