diff --git a/src/GUI/filebrowser.cpp b/src/GUI/filebrowser.cpp
index bdc64d61..a56df027 100644
--- a/src/GUI/filebrowser.cpp
+++ b/src/GUI/filebrowser.cpp
@@ -13,11 +13,6 @@ FileBrowser::FileBrowser(QObject *parent) : QObject(parent)
 	_index = -1;
 }
 
-FileBrowser::~FileBrowser()
-{
-	delete _watcher;
-}
-
 void FileBrowser::setCurrent(const QString &path)
 {
 	QFileInfo file(path);
diff --git a/src/GUI/filebrowser.h b/src/GUI/filebrowser.h
index 6a011cac..cddca22d 100644
--- a/src/GUI/filebrowser.h
+++ b/src/GUI/filebrowser.h
@@ -13,7 +13,6 @@ class FileBrowser : public QObject
 
 public:
 	FileBrowser(QObject *parent = 0);
-	~FileBrowser();
 
 	void setFilter(const QStringList &filter);
 	void setCurrent(const QString &path);
diff --git a/src/GUI/graphview.cpp b/src/GUI/graphview.cpp
index ff67d149..0792d71e 100644
--- a/src/GUI/graphview.cpp
+++ b/src/GUI/graphview.cpp
@@ -63,20 +63,14 @@ GraphView::GraphView(QWidget *parent)
 
 GraphView::~GraphView()
 {
-	if (_xAxis->scene() != _scene)
-		delete _xAxis;
-	if (_yAxis->scene() != _scene)
-		delete _yAxis;
-	if (_slider->scene() != _scene)
-		delete _slider;
-	if (_info->scene() != _scene)
-		delete _info;
-	if (_grid->scene() != _scene)
-		delete _grid;
+	delete _xAxis;
+	delete _yAxis;
+	delete _slider;
+	delete _info;
+	delete _grid;
 
 	for (int i = 0; i < _graphs.count(); i++)
-		if (_graphs.at(i)->scene() != _scene)
-			delete _graphs[i];
+		delete _graphs[i];
 }
 
 void GraphView::createXLabel()
diff --git a/src/GUI/gui.cpp b/src/GUI/gui.cpp
index 511e7792..b0cc17b9 100644
--- a/src/GUI/gui.cpp
+++ b/src/GUI/gui.cpp
@@ -96,14 +96,6 @@ GUI::GUI()
 	updateStatusBarInfo();
 }
 
-GUI::~GUI()
-{
-	for (int i = 0; i < _tabs.size(); i++) {
-		if (_graphTabWidget->indexOf(_tabs.at(i)) < 0)
-			delete _tabs.at(i);
-	}
-}
-
 void GUI::loadMaps()
 {
 	_ml = new MapList(this);
@@ -557,12 +549,12 @@ void GUI::createGraphTabs()
 	_graphTabWidget->setDocumentMode(true);
 #endif // Q_OS_WIN32
 
-	_tabs.append(new ElevationGraph);
-	_tabs.append(new SpeedGraph);
-	_tabs.append(new HeartRateGraph);
-	_tabs.append(new CadenceGraph);
-	_tabs.append(new PowerGraph);
-	_tabs.append(new TemperatureGraph);
+	_tabs.append(new ElevationGraph(_graphTabWidget));
+	_tabs.append(new SpeedGraph(_graphTabWidget));
+	_tabs.append(new HeartRateGraph(_graphTabWidget));
+	_tabs.append(new CadenceGraph(_graphTabWidget));
+	_tabs.append(new PowerGraph(_graphTabWidget));
+	_tabs.append(new TemperatureGraph(_graphTabWidget));
 
 	for (int i = 0; i < _tabs.count(); i++)
 		connect(_tabs.at(i), SIGNAL(sliderPositionChanged(qreal)), this,
diff --git a/src/GUI/gui.h b/src/GUI/gui.h
index 4e12bb70..8435a652 100644
--- a/src/GUI/gui.h
+++ b/src/GUI/gui.h
@@ -35,7 +35,6 @@ class GUI : public QMainWindow
 
 public:
 	GUI();
-	~GUI();
 
 	bool openFile(const QString &fileName);