 
     @objc func updateMaxMessageCount() {
         maxMessageCountField.objectValue = NSNumber(value: midiDocument.maxMessageCount)
-    }
-
-    @objc func updateSysExReadIndicator(bytesRead: Int) {
-        showSysExProgressIndicator()
-    }
-
-    @objc func stopSysExReadIndicator(bytesRead: Int) {
-        hideSysExProgressIndicator()
     }
 
     @objc func updateMessages(scrollingToBottom: Bool) {

        filterDisclosableView.shown = filterShown

        // Then, since those may have resized the window, set the frame back to what we expect.
        if let windowFrame = windowSettings[Self.windowFrameKey] as? String {
            window?.setFrame(from: windowFrame)
        }

        if let scrollX = windowSettings[Self.messagesScrollPointX] as? NSNumber,
           let scrollY = windowSettings[Self.messagesScrollPointY] as? NSNumber {
            let scrollPoint = NSPoint(x: scrollX.doubleValue, y: scrollY.doubleValue)


    @IBAction func changeFilterFromMatrix(_ sender: AnyObject?) {
        let matrix = sender as! NSMatrix
        changeFilter(matrix.selectedCell())
    }

    @IBAction func setChannelRadioButton(_ sender: AnyObject?) {
