It would be cool if there was an option in Bitcoin Core for disabling the system tray entirely.

{
    Q_OBJECT
public:
    explicit OptionsDialog(QWidget *parent, bool enableWallet);
    ~OptionsDialog();
    void setModel(OptionsModel *model);
    void setMapper();
private Q_SLOTS:
    
    void setOkButtonState(bool fState);
    void on_resetButton_clicked();
    void on_okButton_clicked();
    void on_cancelButton_clicked();
    void showRestartWarning(bool fPersistent = false);
    void clearStatusLabel();
    void updateProxyValidationState();
    
    void updateDefaultProxyNets();
Q_SIGNALS:
    void proxyIpChecks(QValidatedLineEdit *pUiProxyIp, int nProxyPort);
private:
    Ui::OptionsDialog *ui;
    OptionsModel *model;
    QDataWidgetMapper *mapper;
};
#endif