Some of you might think that Show Desktop icon isn’t available anymore in Windows 7. It’s natural if you think that way because the icon, in Windows 7, is located far at the right corner of the taskbar. The icon is designed in such a way that makes it hard to notice for new Windows 7 users.
Since the icon is moved to the area where it is far from the Start menu, it becomes less efficient to be used. If you rarely use it and use a keyboard shortcut instead to display your desktop then you can just remove the icon to free up more space on the taskbar. To remove the show desktop icon, you can download Windows 7 Show Desktop Button Remover.
Windows 7 Show Desktop Button Remover is portable application. Bseide being able to remove Show Desktop icon in Windows 7, this tool can also restore the icon in case you need it back. There is no mention if it works with Windows 7 64-bit, though. You can download it from here.