Why are the stroke lines for magic mask still showing?

Hi, I tried to magic mask my shot but the lines are still showing even after scanning the frames...

The lines of strokes, represent the strokes you made for tool to know what to select and what not to select. They show up in reference time/frame where the strokes were made. This is because they can be re-edited or moved around to adjust for new set of parameters to select. If you click on another node or turn off overlays they will not show.

Thanks!