With Dock Doger, removing the Dock icon is as easy as Drag and Drop. Simply drag in the application you want to Un-Dock and Dock Dodger takes care of the rest. When you re-launch that application, it will be sans Dock icon. Want the Dock icon back? Just re-drag the application into Dock Dodger and everything's back to normal
Enable and Disable the Dock icon for almost any Mac OS X application Just Drag and Drop your apps right on top!