He removed the Asherah pole from the Lord’s temple and took it outside Jerusalem to the Kidron Valley, where he burned it. ¹  He smashed it to dust and then threw the dust in the public graveyard. ² 

King Asa also removed Maacah his grandmother ¹  from her position as queen mother ²  because she had made a loathsome Asherah pole. Asa cut down her Asherah pole and crushed and burned it in the Kidron Valley.