     private let urlBarBackgroundView = UIView()
     private var showButtons = false
 
-    private var fullWidthURLTextConstraint: Constraint!
-    private var centeredURLConstraint: Constraint!
+    private var fullWidthURLTextConstraints = [Constraint]()
+    private var centeredURLConstraints = [Constraint]()
     private var hideLockConstraints = [Constraint]()
     private var hideToolsetConstraints = [Constraint]()
     private var showToolsetConstraints = [Constraint]()
     private var isEditingConstraints = [Constraint]()
-    private var notEditingConstraints = [Constraint]()
     private var preActivationConstraints = [Constraint]()
     private var postActivationConstraints = [Constraint]()
 

        deleteButton.addTarget(self, action: #selector(didPressDelete), for: .touchUpInside)
        addSubview(deleteButton)

        let activateButton = UIButton()
        activateButton.setTitle(UIConstants.strings.urlTextPlaceholder, for: .normal)
        activateButton.titleLabel?.font = UIConstants.fonts.urlText

            make.edges.equalTo(urlTextContainer)
        }

        centeredURLConstraints.forEach { $0.deactivate() }
        showToolsetConstraints.forEach { $0.deactivate() }
        postActivationConstraints.forEach { $0.deactivate() }
    }

