Product Discounts Shared Between Storefronts

I have product discount promotion set up in my store. I have unshared the promotion from the storefronts which I don't want it to apply, but the discounts are showing up on all storefronts regardless.

When I go to checkout, the discount disappears, so it would appear to be a display bug on the product detail page.

suggest you report bugs to the bugtracker. Click the link at the top of the forum page.