diff --git a/src/cpp/handler/handlermain.cpp b/src/cpp/handler/handlermain.cpp
index 12dbb291..3fd4a883 100644
--- a/src/cpp/handler/handlermain.cpp
+++ b/src/cpp/handler/handlermain.cpp
@@ -24,16 +24,14 @@
 #include <QTimer>
 #include "handlerapp.h"
 
-class HandlerAppMain : public QObject
+class HandlerAppMain
 {
-	Q_OBJECT
-
 public:
 	HandlerApp *app;
 
 	void start()
 	{
-		app = new HandlerApp(this);
+		app = new HandlerApp();
 		app->quit.connect(boost::bind(&HandlerAppMain::app_quit, this, boost::placeholders::_1));
 		app->start();
 	}
diff --git a/src/cpp/m2adapter/m2adaptermain.cpp b/src/cpp/m2adapter/m2adaptermain.cpp
index ffebbab6..bd928c83 100644
--- a/src/cpp/m2adapter/m2adaptermain.cpp
+++ b/src/cpp/m2adapter/m2adaptermain.cpp
@@ -24,16 +24,14 @@
 #include <QTimer>
 #include "m2adapterapp.h"
 
-class M2AdapterAppMain : public QObject
+class M2AdapterAppMain
 {
-	Q_OBJECT
-
 public:
 	M2AdapterApp *app;
 
 	void start()
 	{
-		app = new M2AdapterApp(this);
+		app = new M2AdapterApp();
 		app->quit.connect(boost::bind(&M2AdapterAppMain::app_quit, this, boost::placeholders::_1));
 		app->start();
 	}
diff --git a/src/cpp/proxy/main.cpp b/src/cpp/proxy/main.cpp
index 48429f71..c9c31a7a 100644
--- a/src/cpp/proxy/main.cpp
+++ b/src/cpp/proxy/main.cpp
@@ -24,16 +24,14 @@
 #include <QTimer>
 #include "app.h"
 
-class AppMain : public QObject
+class AppMain
 {
-	Q_OBJECT
-
 public:
 	App *app;
 
 	void start()
 	{
-		app = new App(this);
+		app = new App();
 		app->quit.connect(boost::bind(&AppMain::app_quit, this, boost::placeholders::_1));
 		app->start();
 	}
diff --git a/src/cpp/runner/runnermain.cpp b/src/cpp/runner/runnermain.cpp
index 4b3158ad..17f51675 100644
--- a/src/cpp/runner/runnermain.cpp
+++ b/src/cpp/runner/runnermain.cpp
@@ -24,16 +24,14 @@
 #include <QTimer>
 #include "runnerapp.h"
 
-class RunnerAppMain : public QObject
+class RunnerAppMain
 {
-	Q_OBJECT
-
 public:
 	RunnerApp *app;
 
 	void start()
 	{
-		app = new RunnerApp(this);
+		app = new RunnerApp();
 		app->quit.connect(boost::bind(&RunnerAppMain::app_quit, this, boost::placeholders::_1));
 		app->start();
 	}