Additional lines shown in model views

Orbital lines appear around model views. Lines scale and movewith the model view but can not be removed. The orbital shapes area lot larger than the drawing sheet (see attached file).

The drawing sheet is the first sheet of a multi sheet drawing.Other models are displayed on the other sheets and do not show anyadditional lines.

Can someone tell me how to remove the lines ?SolidworksDrawings And Detailing