diff --git a/src/PX4FirmwareUpgradeWorker.cc b/src/PX4FirmwareUpgradeWorker.cc
index 690841aff33e09456f576a0dc0d129477bf883f3..5abd7d1a4093c6352098e3b97ad78ceed942961f 100644
--- a/src/PX4FirmwareUpgradeWorker.cc
+++ b/src/PX4FirmwareUpgradeWorker.cc
@@ -1,4 +1,4 @@
-#include <QJsonDocument>
+//#include <QJsonDocument>
 #include <QFile>
 
 #include "PX4FirmwareUpgradeWorker.h"
diff --git a/src/PX4FirmwareUpgradeWorker.h b/src/PX4FirmwareUpgradeWorker.h
index 873eadc357f2ccf139b8916e8204e9b1a0bb973f..c505133b29618aee0043c08c2f85951daaf800a0 100644
--- a/src/PX4FirmwareUpgradeWorker.h
+++ b/src/PX4FirmwareUpgradeWorker.h
@@ -2,7 +2,7 @@
 #define PX4FIRMWAREUPGRADEWORKER_H
 
 #include <QObject>
-#include <QJsonDocument>
+//#include <QJsonDocument>
 
 #include <SerialLink.h>
 
@@ -67,7 +67,7 @@ protected:
 private:
     SerialLink *link;
     bool insync;
-    QJsonDocument firmware;
+    //QJsonDocument firmware;
 };
 
 #endif // PX4FIRMWAREUPGRADEWORKER_H
diff --git a/src/apps/qupgrade/QUpgradeApp.cc b/src/apps/qupgrade/QUpgradeApp.cc
index 52d68a57d0026bbd9d2be78ad64739ce6f244e20..c1a13ae53df7190af3fd38858e0f72a90cc25c4c 100644
--- a/src/apps/qupgrade/QUpgradeApp.cc
+++ b/src/apps/qupgrade/QUpgradeApp.cc
@@ -78,15 +78,15 @@ QUpgradeApp::QUpgradeApp(int &argc, char* argv[]) : QApplication(argc, argv)
     // Get PX4 upgrade widget and instantiate worker thread
     PX4FirmwareUpgradeWorker* worker = PX4FirmwareUpgradeWorker::putWorkerInThread(this);
 
-    connect(worker, SIGNAL(detectionStatusChanged(QString)), upgrader, SLOT(setDetectionStatusText(QString)), Qt::QueuedConnection);
-    connect(worker, SIGNAL(upgradeStatusChanged(QString)), upgrader, SLOT(setFlashStatusText(QString)), Qt::QueuedConnection);
-    connect(worker, SIGNAL(upgradeProgressChanged(int)), upgrader, SLOT(setFlashProgress(int)), Qt::QueuedConnection);
-    connect(worker, SIGNAL(validPortFound(QString)), upgrader, SLOT(setPortName(QString)));
-    connect(upgrader, SIGNAL(firmwareFileNameSet(QString)), worker, SLOT(loadFirmware(QString)), Qt::QueuedConnection);
-    connect(upgrader, SIGNAL(upgrade()), worker, SLOT(upgrade()), Qt::QueuedConnection);
-    connect(this, SIGNAL(lastWindowClosed()), worker, SLOT(abort()), Qt::QueuedConnection);
-
-    worker->loadFirmware("/Users/user/src/Firmware/Images/px4io.bin");
+//    connect(worker, SIGNAL(detectionStatusChanged(QString)), upgrader, SLOT(setDetectionStatusText(QString)), Qt::QueuedConnection);
+//    connect(worker, SIGNAL(upgradeStatusChanged(QString)), upgrader, SLOT(setFlashStatusText(QString)), Qt::QueuedConnection);
+//    connect(worker, SIGNAL(upgradeProgressChanged(int)), upgrader, SLOT(setFlashProgress(int)), Qt::QueuedConnection);
+//    connect(worker, SIGNAL(validPortFound(QString)), upgrader, SLOT(setPortName(QString)));
+//    connect(upgrader, SIGNAL(firmwareFileNameSet(QString)), worker, SLOT(loadFirmware(QString)), Qt::QueuedConnection);
+//    connect(upgrader, SIGNAL(upgrade()), worker, SLOT(upgrade()), Qt::QueuedConnection);
+//    connect(this, SIGNAL(lastWindowClosed()), worker, SLOT(abort()), Qt::QueuedConnection);
+
+    worker->loadFirmware("/Users/lomeier/src/Firmware/Images/px4fmu.bin");
 
     window->setWindowTitle(applicationName() + " " + applicationVersion());
     window->show();