         
         let topSeparator = UIView(frame: CGRect.zero)
         let bottomSeparator = UIView(frame: CGRect.zero)
-        let bottomMiddleSeparator = UIView(frame: CGRect.zero)
-        let topMiddleSeparator = UIView(frame: CGRect.zero)
         
         topSeparator.backgroundColor = self.grayColor
         bottomSeparator.backgroundColor = self.grayColor
-        topMiddleSeparator.backgroundColor = self.grayColor
-        bottomMiddleSeparator.backgroundColor = self.grayColor
         
         self.addSubview(containerView)
         containerView.addSubview(pickerView)

        titleLabel.translatesAutoresizingMaskIntoConstraints = false
        topSeparator.translatesAutoresizingMaskIntoConstraints = false
        bottomSeparator.translatesAutoresizingMaskIntoConstraints = false
        topMiddleSeparator.translatesAutoresizingMaskIntoConstraints = false
        bottomMiddleSeparator.translatesAutoresizingMaskIntoConstraints = false
        
        //buttons
        containerView.addConstraint(NSLayoutConstraint(item: containerView,

            attribute: .bottom, relatedBy: .equal, toItem: pickerView,
            attribute: .bottom, multiplier: 1.0, constant: 0))
        bottomSeparator.addConstraint(NSLayoutConstraint(item: bottomSeparator,
            attribute: .height, relatedBy: .equal, toItem: nil,
            attribute: .height, multiplier: 1.0, constant: 0.5))
    }
