The item should disappear from your store and store window (the scroller) eventually. I think the store updates every 6-8 hours and the window every couple of hours. However, if something like 24 hours goes by and they're still there you might file a support request (bottom of the Help page).
Also, if you so choose you can go in and make the items hidden within your store (although I haven't done it so I can't remember exactly how).