Can I remove the arrow in the popover view?

Question

I am asked to removed the arrow of the popover view.

1. Is that violating human interface guidelines ?
2. Is it wise to show a popover inside another popover ?<

Answer 1

The omission or removal of the arrow is implicitly banned by the 2012-03-07 Human Interface Guidelines, p. 114: "A popover ... always displays an arrow that indicates the point from which it emerged."