To remove Stack View, two methods:
(A) (1) open the navigator, and then view it; (2) select the type of stack we want to delete / delete (see select the view of the stack ); (3) In the top Xcode toolbar, click "Editor", then "Unembed". (See Editor -> Unembed ). The above will remove the Stack View that was selected (A) removes the stack that "embeds" the user interface elements. User interface elements are saved.
(B) (1) open the navigator, then view the diagram; (2) select the type of stack we want to delete / delete; (3) press the delete button; (B) deletes the stack and embedded user interface elements. User interface elements are also deleted.
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