Charles Ellicott Commentary Isaiah 30:22

"And ye shall defile the overlaying of thy graven images of silver, and the plating of thy molten images of gold: thou shalt cast them away as an unclean thing; thou shalt say unto it, Get thee hence." — Isaiah 30:22 (ASV)

You shall defile also ... —The first effect of the turning of the people was to be the putting away of what had been their besetting sin. The “graven” image possibly refers to the “carved” wooden figure which was afterwards overlaid with silver and gold. (Compare to Isaiah 40:19.) These, which had been worshipped, were now to be cast aside, like that which was the very type of loathsomeness.