diff --git a/include/commandline/Parser.h b/include/commandline/Parser.h
index 3c2c7848..129d5184 100644
--- a/include/commandline/Parser.h
+++ b/include/commandline/Parser.h
@@ -28,6 +28,8 @@ protected:
 	QString _getDescription(const QString description, const QString default_=QString());
 
 public:
+	~Parser() override;
+
 	bool parse(const QStringList &arguments);
 	void process(const QStringList &arguments);
 	void process(const QCoreApplication &app);
diff --git a/include/utils/Image.h b/include/utils/Image.h
index 73ead228..b500a2bb 100644
--- a/include/utils/Image.h
+++ b/include/utils/Image.h
@@ -256,6 +256,7 @@ public:
 	{
 		_width = 1;
 		_height = 1;
+		delete[] _pixels;
 		_pixels = new Pixel_T[2];
 		_endOfPixels = _pixels + 1;
 		memset(_pixels, 0, (unsigned long) _width * _height * sizeof(Pixel_T));
diff --git a/libsrc/commandline/Parser.cpp b/libsrc/commandline/Parser.cpp
index 71a62d63..84efea45 100644
--- a/libsrc/commandline/Parser.cpp
+++ b/libsrc/commandline/Parser.cpp
@@ -4,6 +4,11 @@
 
 using namespace commandline;
 
+Parser::~Parser()
+{
+	qDeleteAll(_options);
+}
+
 bool Parser::parse(const QStringList &arguments)
 {
 	if (!_parser.parse(arguments))
diff --git a/libsrc/hyperion/HyperionIManager.cpp b/libsrc/hyperion/HyperionIManager.cpp
index 65849643..d22424be 100644
--- a/libsrc/hyperion/HyperionIManager.cpp
+++ b/libsrc/hyperion/HyperionIManager.cpp
@@ -194,6 +194,7 @@ void HyperionIManager::handleFinished()
 	Info(_log,"Hyperion instance '%s' has been stopped", QSTRING_CSTR(_instanceTable->getNamebyIndex(instance)));
 
 	_runningInstances.remove(instance);
+	hyperion->thread()->deleteLater();
 	hyperion->deleteLater();
 	emit instanceStateChanged(InstanceState::H_STOPPED, instance);
 	emit change();
diff --git a/libsrc/hyperion/PriorityMuxer.cpp b/libsrc/hyperion/PriorityMuxer.cpp
index b04187ac..2c7b13c4 100644
--- a/libsrc/hyperion/PriorityMuxer.cpp
+++ b/libsrc/hyperion/PriorityMuxer.cpp
@@ -22,9 +22,9 @@ PriorityMuxer::PriorityMuxer(int ledCount)
 	, _activeInputs()
 	, _lowestPriorityInfo()
 	, _sourceAutoSelectEnabled(true)
-	, _updateTimer(new QTimer())
-	, _timer(new QTimer())
-	, _blockTimer(new QTimer())
+	, _updateTimer(new QTimer(this))
+	, _timer(new QTimer(this))
+	, _blockTimer(new QTimer(this))
 {
 	// init lowest priority info
 	_lowestPriorityInfo.priority       = PriorityMuxer::LOWEST_PRIORITY;
diff --git a/libsrc/leddevice/dev_other/LedDeviceFile.cpp b/libsrc/leddevice/dev_other/LedDeviceFile.cpp
index ab47a879..0cbc7735 100644
--- a/libsrc/leddevice/dev_other/LedDeviceFile.cpp
+++ b/libsrc/leddevice/dev_other/LedDeviceFile.cpp
@@ -42,7 +42,7 @@ void LedDeviceFile::initFile(const QString &fileName)
 {
 	if ( _file == nullptr )
 	{
-		_file = new QFile(fileName);
+		_file = new QFile(fileName, this);
 	}
 }
 
diff --git a/src/hyperiond/hyperiond.cpp b/src/hyperiond/hyperiond.cpp
index 97436368..770e1804 100644
--- a/src/hyperiond/hyperiond.cpp
+++ b/src/hyperiond/hyperiond.cpp
@@ -170,29 +170,29 @@ void HyperionDaemon::freeObjects()
 	delete _jsonServer;
 	_flatBufferServer->thread()->quit();
 	_flatBufferServer->thread()->wait(1000);
-	_flatBufferServer->deleteLater();
-	_flatBufferServer->thread()->deleteLater();
+	delete _flatBufferServer->thread();
+	delete _flatBufferServer;
 
 	_protoServer->thread()->quit();
 	_protoServer->thread()->wait(1000);
-	_protoServer->deleteLater();
-	_protoServer->thread()->deleteLater();
+	delete _protoServer->thread();
+	delete _protoServer;
 
 	//ssdp before webserver
 	_ssdp->thread()->quit();
 	_ssdp->thread()->wait(1000);
-	_ssdp->deleteLater();
-	_ssdp->thread()->deleteLater();
+	delete _ssdp->thread();
+	delete _ssdp;
 
 	_webserver->thread()->quit();
 	_webserver->thread()->wait(1000);
-	_webserver->deleteLater();
-	_webserver->thread()->deleteLater();
+	delete _webserver->thread();
+	delete _webserver;
 
 	_sslWebserver->thread()->quit();
 	_sslWebserver->thread()->wait(1000);
-	_sslWebserver->deleteLater();
-	_sslWebserver->thread()->deleteLater();
+	delete _sslWebserver->thread();
+	delete _sslWebserver;
 
 	// stop Hyperions (non blocking)
 	_instanceManager->stopAll();