You can adjust the bleed in the 1up, and then, in the layout drawing, spread it across all layout 1ups.
To adjust the bleed in the 1up
The 1up changes its appearance, displaying the places — where bleed adjustment can be done. Also a contextual edit bar appears above the graphical area with the icons for actions you can do to the bleed contour, among them exploding the contour and deleting it.
TECHNICAL NOTE: To modify the countour, click a marking and then drag it in the direction you need. If you need to transform the available lines and markings, further modifications are available: (1) For squares, pressing SHIFT + mouse click removes the square and merges the two lines that it links into a single line; (2) for cross points, pressing SHIFT + mouse click breaks up the line into two and turns the cross point into a square.