I create the observer in my ViewModel as follows: `let testObserver: Observable<Bool?> = Observable(.none)` And in my ViewController: ``` override func viewDidLoad() { self.viewModel.testObserver.observe(on: self) { [weak self] _ in self?.testObserver() } self.viewModel.testObserver.remove(observer: self) self.viewModel.testObserver.value = false } private func testObserver() { print("testObserver") } ``` Despite calling remove(observer:), the observer continues to listen and triggers the testObserver() function.