diff --git a/src/portcontrol.h b/src/portcontrol.h
--- a/src/portcontrol.h
+++ b/src/portcontrol.h
@@ -61,44 +61,24 @@ public:
 private:
     Ui::PortControl *ui;
 
-    QButtonGroup parityButtons;
-    QButtonGroup dataBitsButtons;
-    QButtonGroup stopBitsButtons;
-    QButtonGroup flowControlButtons;
-
     QToolBar portToolBar;
     QAction openAction;
     QAction loadPortListAction;
     QComboBox tbPortList;
     PortList portList;
 
-    /// Used to refresh pinout signal leds periodically
-    QTimer pinUpdateTimer;
-
     /// Returns the currently selected (entered) "portName" in the UI
     QString selectedPortName();
-    /// Returns currently selected parity as text to be saved in settings
-    QString currentParityText();
-    /// Returns currently selected flow control as text to be saved in settings
-    QString currentFlowControlText();
 
 private slots:
     void loadPortList();
-    void loadBaudRateList();
     void togglePort();
     void selectListedPort(QString portName);
-
     void _selectBaudRate(QString baudRate);
-    void selectParity(int parity); // parity must be one of QSerialPort::Parity
-    void selectDataBits(int dataBits); // bits must be one of QSerialPort::DataBits
-    void selectStopBits(int stopBits); // stopBits must be one of QSerialPort::StopBits
-    void selectFlowControl(int flowControl); // flowControl must be one of QSerialPort::FlowControl
-
     void openActionTriggered(bool checked);
     void onCbPortListActivated(int index);
     void onTbPortListActivated(int index);
     void onPortError(QSerialPort::SerialPortError error);
-    void updatePinLeds(void);
 
 signals:
     void portToggled(bool open);