diff --git a/worker.cpp b/worker.cpp
index 4b2c72e..53a409f 100644
--- a/worker.cpp
+++ b/worker.cpp
@@ -140,28 +140,6 @@ void Worker::privateUpdate() {
     QPushButton *start = qobject_cast<QPushButton *>(QObject::sender());
     start->setEnabled(false);
 
-#if 0
-    emit appendText("\nConnecting backend ...");
-
-    for (int i=0;i <= 100; ++i) {
-        setProgress(i);
-        QThread::msleep(100);
-    }
-    emit replaceLast("Connecting backend ...", UPDATE_STEP_OK);
-    emit appendText(QString("UPDATE "), UPDATE_STEP_SUCCESS);
-    emit appendText(QString("UPDATE "), UPDATE_STEP_FAIL);
-    setProgress(0);
-
-    startProgressLoop();
-    QThread::sleep(5); // long running process
-    stopProgressLoop();
-    for (int i=m_mainWindow->progressValue()/10; i <= 100; ++i) {
-        setProgress(i);
-        QThread::msleep(100);
-    }
-    return;
-#endif
-
     emit stopStartTimer();
     emit disableExit();
     m_updateProcessRunning = true;