diff --git a/bootloader.cpp b/bootloader.cpp
deleted file mode 100644
index e69de29..0000000
diff --git a/bootloader.h b/bootloader.h
deleted file mode 100644
index e69de29..0000000
diff --git a/commands_to_update_dc.cpp b/commands_to_update_dc.cpp
deleted file mode 100644
index bbc0712..0000000
--- a/commands_to_update_dc.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-#include "commands_to_update_dc.h"
-#include "plugins/interfaces.h"
-
-#include <QDebug>
-#include <QThread>
-#include <QCoreApplication>
-
-Command::Command(hwinf const *hw)
-  : m_hw(hw)
-  , m_serial(hw, 115200, "115200", "ttyUSB0") {
-    qDebug() << "opening serial...";
-    m_serial.openSerial();
-}
-
-Command::~Command() {
-    qDebug() << "close serial...";
-    m_serial.closeSerial();
-    QCoreApplication::quit();
-}
-
-bool Command::startCmdSequence() {
-    QThread::sleep(3);
-    qDebug() << "updating dc-fw...";
-    if (!resetDeviceController()) {
-        qCritical() << "resetDeviceController failed";
-        return false;
-    }
-
-    QThread::sleep(10);
-    return true;
-
-    if (!enterBootloader()) {
-        // after max. 3 seconds start boot loader
-        qCritical() << "enterBootloader failed";
-        return false;
-    }
-
-    if (!isBootloaderRunning()) {
-        qCritical() << "isBootloaderRunning failed";
-        return false;
-    }
-
-    //if (!loadBinary()) {
-//
-//    }
-
-  //  if (!sendBinary()) {
-//
-//    }
-
-    if (!exitBootloader()) {
-        qCritical() << "exitBootloader failed";
-        return false;
-    }
-
-    qDebug() << "updating dc-fw...done";
-    return true;
-}
-
-bool Command::resetDeviceController() {
-    qDebug() << __func__;
-    m_hw->dc_OrderToReset();
-    return true;
-}
-
-bool Command::enterBootloader() {
-return false;
-}
-
-bool Command::isBootloaderRunning() {
-return false;
-}
-
-bool Command::loadBinary() {
-return false;
-}
-
-bool Command::sendBinary() {
-return false;
-}
-
-bool Command::exitBootloader() {
-return false;
-}
diff --git a/commands_to_update_dc.h b/commands_to_update_dc.h
deleted file mode 100644
index a7fd360..0000000
--- a/commands_to_update_dc.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef COMMANDS_TO_UPDATE_DC_H_INCLUDED
-#define COMMANDS_TO_UPDATE_DC_H_INCLUDED
-
-#include "serial.h"
-
-class hwinf;
-class Command {
-    hwinf const *m_hw;
-    Serial m_serial;
-public:
-    Command(hwinf const *hw);
-    ~Command();
-
-    bool startCmdSequence();
-
-    bool resetDeviceController();
-    bool enterBootloader();
-    bool isBootloaderRunning();
-    bool loadBinary();
-    bool sendBinary();
-    bool exitBootloader();
-};
-
-#endif // COMMANDS_TO_UPDATE_DC_H_INCLUDED
diff --git a/handle_binary_dc_file.cpp b/handle_binary_dc_file.cpp
deleted file mode 100644
index e69de29..0000000
diff --git a/handle_binary_dc_file.h b/handle_binary_dc_file.h
deleted file mode 100644
index e69de29..0000000
diff --git a/load_dc_plugin.cpp b/load_dc_plugin.cpp
deleted file mode 100644
index d985750..0000000
--- a/load_dc_plugin.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "load_dc_plugin.h"
-
-#include <QCoreApplication>
-#include <QPluginLoader>
-#include <QDir>
-#include <QDebug>
-
-#include "plugins/interfaces.h"
-
-DCPlugin::DCPlugin()
-  : m_hw_interface(0) {
-}
-
-DCPlugin::~DCPlugin() {
-}
-
-hwinf const *DCPlugin::loadPlugin() {
-    QString pluginPath = QCoreApplication::applicationDirPath() + "/plugins/";
-    QString pluginFileName = pluginPath + "libCashAgentLib.so";
-
-    QPluginLoader *pluginLoader = new QPluginLoader(pluginFileName);
-
-    if (!pluginLoader->load()) {
-        qFatal(pluginLoader->errorString().toStdString().c_str());
-    }
-
-    qDebug() <<"loaded plugin: " << pluginLoader->fileName();
-
-    QObject *plugin = pluginLoader->instance();
-    if (!plugin) {
-        qFatal("cannot load root component of plugin (hwinf ctor failing?");
-    }
-
-    // the plugin stays in memory until unloaded by the application
-    if ((m_hw_interface = qobject_cast<hwinf *>(plugin)) == nullptr) {
-        qFatal("cannot create root component");
-    }
-
-    return m_hw_interface;
-}
diff --git a/load_dc_plugin.h b/load_dc_plugin.h
deleted file mode 100644
index 1e7b0bd..0000000
--- a/load_dc_plugin.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef LOAD_DC_PLUGIN_H_INCLUDED
-#define LOAD_DC_PLUGIN_H_INCLUDED
-
-#include <QObject>
-#include <QString>
-
-class hwinf;
-class DCPlugin : public QObject {
-    Q_OBJECT
-    hwinf *m_hw_interface;
-public:
-    DCPlugin();
-    ~DCPlugin();
-
-    hwinf const *loadPlugin();
-};
-
-#endif // LOAD_DC_PLUGIN_H_INCLUDED
diff --git a/serial.cpp b/serial.cpp
deleted file mode 100644
index e17a53c..0000000
--- a/serial.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-#include "serial.h"
-#include "plugins/interfaces.h"
-
-#include <QDebug>
-
-Serial::Serial(hwinf const *hwinf, uint32_t baudrate, QString baudrateStr,
-               QString comPort)
-  : m_hwinf(hwinf)
-  , m_baudrate(baudrate)
-  , m_baudrateStr(baudrateStr)
-  , m_comPort(comPort) {
-
-}
-
-bool Serial::testConnection() {
-    m_hwinf->dc_requTestResponse();
-    return true;
-}
-
-bool Serial::openSerial() { // 1: connect
-    // sollte einen bool zureuckgeben
-    m_baudrate = 5;
-    m_comPort = "ttyUSB0";
-    qDebug() << "winComPort opening serial with: " << m_baudrate << " " << m_baudrateStr << " " << m_comPort;
-    m_hwinf->dc_openSerial(5, m_baudrateStr, m_comPort, 1);
-    //m_hwinf->dc_openSerial(m_baudrate, m_baudrateStr, m_comPort, 1);
-    return true;
-}
-
-bool Serial::closeSerial() {
-    m_hwinf->dc_closeSerial();
-    return true;
-}
diff --git a/serial.h b/serial.h
deleted file mode 100644
index fcff1fc..0000000
--- a/serial.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef SERIAL_H_INCLUDED
-#define SERIAL_H_INCLUDED
-
-#include <cinttypes>
-#include <QString>
-
-class hwinf;
-class Serial {
-    hwinf const *m_hwinf;
-    uint32_t m_baudrate;
-    QString m_baudrateStr;
-    QString m_comPort;
-public:
-    Serial(hwinf const *hwinf, uint32_t baudrate, QString baudrateStr,
-           QString comPort);
-
-    bool openSerial();
-    bool testConnection();
-    bool closeSerial();
-};
-
-#endif // SERIAL_H_INCLUDED