NSNotificationCenter removing wrong observers?

Name shouldn't be nil. Did you try giving your observer a name?

Lee is correct that the name should not be nil but it also should not be the name of the observer. Rather it should be the name of the notification that you are registering to observe. E.g.

, UIDeviceOrientationDidChangeNotification. Add the name of the notification that you want to observe in that param and also pass it as the name param when you remove observer.

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