         let textView = UITextView(frame: .zero, textContainer: container)
 
         let accessibilityLabel = NSLocalizedString("HTML Content", comment: "Post HTML content")
-        self?.configureDefaultProperties(for: textView, accessibilityLabel: accessibilityLabel)
+        self.configureDefaultProperties(for: textView, accessibilityLabel: accessibilityLabel)
 
         textView.isHidden = true
         textView.delegate = self

                               VideoShortcodePostProcessor()])

        let accessibilityLabel = NSLocalizedString("Rich Content", comment: "Post Rich content")
        self?.configureDefaultProperties(for: textView, accessibilityLabel: accessibilityLabel)

        textView.delegate = self
        textView.formattingDelegate = self

        return textView
    }()

    fileprivate(set) lazy var htmlTextView: UITextView = {
        let defaultFont: UIFont

        if #available(iOS 11, *) {
