Removing bounding box lines

Hi everyone.

I have imported a few .PSD images to make my work manuals, but they all show this small little line on there the most outer bounding box is. 

How i i remove/hide this? Because for me it is really disctracting and it gives me a hard time having a complete view of the page.

The stroke is already set to 0, and the color is transparent, so it is not a stroke problem. 

Apologies for the red color, but i dont know how HQ feels about me putting the brand new manuals on the internet.

Thanks already!

-Nick