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Editorial Team
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Asked: 2026-05-23T10:33:55+00:00

I tried removeFromSuperview on a view that had not been added as a subview

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I tried removeFromSuperview on a view that had not been added as a subview but Xcode 4 didn’t throw any error. Is this expected behaviour?

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  1. Editorial Team

    First off, Xcode 4 wouldn’t do anything at all. That’s the IDE. It has nothing to do with the runtime behavior of your app.

    Secondly, the documentation for -removeFromSuperview states

    If the receiver’s superview is not nil, the superview releases the receiver.

    What part of this would lead you to expect -removeFromSuperview to throw an exception if the view has no superview?

    In any case, the answer is yes, this is normal. -removeFromSuperview does not throw exceptions.

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