Now let them. — This is not an imperative, but a simple future, as in Ezekiel 43:7. The house of Israel will now put away their abominations, and God will dwell in their midst for ever. Carcases = idols, as in Ezekiel 43:7.
Related Commentaries of Ezekiel 43:9
Ezekiel 43:9
9 Now let them put away their whoredom, and the carcases of their kings, far from me, and I will dwell in the midst of them for ever.