             submitButtonTrailingRemove = make.trailing.equalTo(removeButton.snp_leading).offset(-Size.sideMargin).constraint
             make.height.equalTo(Size.buttonHeight)
         }
-        submitButtonTrailingRemove!.deactivate()
+        submitButtonTrailingRemove.deactivate()
 
         removeButton.snp_makeConstraints { make in
             make.top.equalTo(productLinkField.snp_bottom).offset(Size.sideMargin)

        set {
            if let affiliateURL = newValue {
                productLinkField.text = affiliateURL.absoluteString
                submitButtonTrailingRight?.deactivate()
                submitButtonTrailingRemove?.activate()
                removeButton.hidden = false
            }
            else {
                productLinkField.text = ""
                submitButtonTrailingRight?.activate()
                submitButtonTrailingRemove?.deactivate()
                removeButton.hidden = true
            }
            productLinkDidChange()

    let removeButton = GreenElloButton()
    let cancelLabel = UILabel()

    var submitButtonTrailingRight: Constraint!
    var submitButtonTrailingRemove: Constraint!

    weak var delegate: AffiliateLinkDelegate?

