         fatalError("init(coder:) has not been implemented")
     }
 
+    deinit {
+        removeNotificationObservers()
+    }
+
     override func viewDidLoad() {
         super.viewDidLoad()
         view.backgroundColor = .white


    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        removeNotificationObservers()
    }

    override func viewForStream() -> UIView {

        streamViewController.streamKind = .following
        ElloHUD.showLoadingHudInView(streamViewController.view)
        streamViewController.loadInitialPage()

        addNotificationObservers()
    }

    override func viewDidAppear(_ animated: Bool) {
