   private weak var tabBar: TabBar<Rep>?
 
   private let closeButton = NSButton(forAutoLayout: ())
-  private let iconView = NSImageView(forAutoLayout: ())
   private let titleView = NSTextField(forAutoLayout: ())
 
   private var widthConstraint: NSLayoutConstraint?

    close.autoPinEdge(toSuperviewEdge: .left, withInset: self.theme.tabHorizontalPadding)
    close.autoAlignAxis(toSuperviewAxis: .horizontal)

    icon.autoSetDimensions(to: self.theme.iconDimension)
    icon.autoPinEdge(.left, to: .right, of: close, withOffset: self.theme.tabHorizontalPadding)
    icon.autoAlignAxis(toSuperviewAxis: .horizontal)

    title.autoPinEdge(.left, to: .right, of: icon, withOffset: self.theme.tabHorizontalPadding)
    title.autoPinEdge(toSuperviewEdge: .right, withInset: self.theme.tabHorizontalPadding)
    title.autoAlignAxis(toSuperviewAxis: .horizontal)
  }

    )
    close.isBordered = false
    (close.cell as? NSButtonCell)?.highlightsBy = .contentsCellMask

    title.drawsBackground = false
    title.font = self.theme.titleFont
