Can't remove files from mainBundle

Question

I am having trouble removing files from my main bundle. When I delete them manually from support files in XCODE 4.2. They still show up when I run my app. I have opened up the

Answer 1

Hold down ⌥ Option and choose Product → Clean Build Folder... from the menu bar. The default shortcut for this action is ⌥⇧⌘K.