Isaiah 2:20 almost word-for-word repeats this: 'cast away idols of silver and gold' — reinforcing the same coming rejection of idolatry.

Isaiah 30:22 describes defiling and scattering gold-plated idols, a vivid parallel to 31:7's promise of discarding sinful handcrafted images.

Isaiah 17:8 says people will no longer look to altars made by their hands—nearly identical theme to Isaiah 31:7's casting away hand-made idols.

Deuteronomy 7:25 commands burning idols and not coveting their gold/silver—directly underlying Isaiah 31:7's rejection of idols made from precious metals.

Hosea 14:8 declares God's repudiation of idols, paralleling the future casting away of idols in Isaiah 31:7.

Deuteronomy 9:21 describes Moses destroying the golden calf—a direct parallel to the rejection of metal idols in Isaiah 31:7.

Ezekiel 20:7 commands Israel to cast away Egyptian idols—a direct parallel to Isaiah 31:7's call to reject idols of silver and gold.

1 Kings 12:28-30 records Jeroboam's golden calves—the very idolatry that Isaiah 31:7 prophesies will be abandoned.

Ezekiel 36:25 promises God's cleansing from idols, while Isaiah 31:7 describes people casting them away—two sides of repentance.