diff --git a/src/util/externalcommandhelper.cpp b/src/util/externalcommandhelper.cpp
index c874d3b..e9e9b03 100644
--- a/src/util/externalcommandhelper.cpp
+++ b/src/util/externalcommandhelper.cpp
@@ -303,14 +303,6 @@ QVariantMap ExternalCommandHelper::start(const QString& command, const QStringLi
     return reply;
 }
 
-void ExternalCommandHelper::exit()
-{
-    if (!isCallerAuthorized()) {
-        return;
-    }
-    qApp->quit();
-}
-
 void ExternalCommandHelper::onReadOutput()
 {
 /*    const QByteArray s = cmd.readAllStandardOutput();
diff --git a/src/util/externalcommandhelper.h b/src/util/externalcommandhelper.h
index d36447a..10ba3f5 100644
--- a/src/util/externalcommandhelper.h
+++ b/src/util/externalcommandhelper.h
@@ -41,7 +41,6 @@ public Q_SLOTS:
     Q_SCRIPTABLE QVariantMap copyblocks(const QString& sourceDevice, const qint64 sourceFirstByte, const qint64 sourceLength, const QString& targetDevice, const qint64 targetFirstByte, const qint64 blockSize);
     Q_SCRIPTABLE bool writeData(const QByteArray& buffer, const QString& targetDevice, const qint64 targetFirstByte);
     Q_SCRIPTABLE bool createFile(const QByteArray& fileContents, const QString& filePath);
-    Q_SCRIPTABLE void exit();
 
 private: