diff --git a/sources/diagramview.cpp b/sources/diagramview.cpp
index 717fb2f3d..22c502aaf 100644
--- a/sources/diagramview.cpp
+++ b/sources/diagramview.cpp
@@ -16,32 +16,20 @@
 	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "diagramview.h"
-#include "diagram.h"
-#include "qetgraphicsitem/conductor.h"
 #include "diagramcommands.h"
-#include "diagramposition.h"
-#include "conductorpropertieswidget.h"
+
 #include "qetgraphicsitem/conductortextitem.h"
 #include "qetgraphicsitem/independenttextitem.h"
-#include "qetgraphicsitem/diagramimageitem.h"
-#include "templatelocation.h"
-#include "qetproject.h"
+#include "qetgraphicsitem/conductor.h"
+
 #include "projectview.h"
 #include "integrationmovetemplateshandler.h"
 #include "qetdiagrameditor.h"
 #include "qeticons.h"
-#include "qetmessagebox.h"
-#include <QGraphicsObject>
-#include <QGraphicsPixmapItem>
-#include <QGraphicsSceneMouseEvent>
-#include "factory/elementfactory.h"
 #include "diagrampropertiesdialog.h"
 #include "dveventinterface.h"
 #include "diagrameventaddelement.h"
 #include "QPropertyUndoCommand/qpropertyundocommand.h"
-#include "qetshapeitem.h"
-#include "undocommand/deleteqgraphicsitemcommand.h"
-#include "dynamicelementtextitem.h"
 #include "multipastedialog.h"
 #include "changetitleblockcommand.h"
 #include "conductorcreator.h"
@@ -114,32 +102,7 @@ DiagramView::DiagramView(Diagram *diagram, QWidget *parent) :
 	Destructeur
 */
 DiagramView::~DiagramView()
-{
-}
-
-/**
-	Selectionne tous les objets du schema
-*/
-void DiagramView::selectAll()
-{
-	m_diagram -> selectAll();
-}
-
-/**
-	Deslectionne tous les objets selectionnes
-*/
-void DiagramView::selectNothing()
-{
-	m_diagram -> deselectAll();
-}
-
-/**
-	Inverse l'etat de selection de tous les objets du schema
-*/
-void DiagramView::selectInvert()
-{
-	m_diagram -> invertSelection();
-}
+{}
 
 /**
 	Accepte ou refuse le drag'n drop en fonction du type de donnees entrant
diff --git a/sources/diagramview.h b/sources/diagramview.h
index 0e292c6a7..8772a4e17 100644
--- a/sources/diagramview.h
+++ b/sources/diagramview.h
@@ -117,9 +117,6 @@ class DiagramView : public QGraphicsView
 		void freeRubberBandChanged(QPolygonF polygon);
 	
 	public slots:
-		void selectNothing();
-		void selectAll();
-		void selectInvert();
 		void setVisualisationMode();
 		void setSelectionMode();
 		void zoom(const qreal zoom_factor);
diff --git a/sources/qetdiagrameditor.cpp b/sources/qetdiagrameditor.cpp
index a9f62c989..40869836d 100644
--- a/sources/qetdiagrameditor.cpp
+++ b/sources/qetdiagrameditor.cpp
@@ -1338,17 +1338,21 @@ void QETDiagramEditor::zoomGroupTriggered(QAction *action)
 */
 void QETDiagramEditor::selectGroupTriggered(QAction *action)
 {
-	QString value = action->data().toString();
-	DiagramView *dv = currentDiagramView();
+	if (!currentDiagramView() || !currentDiagramView()->diagram())
+		return;
 
-	if (!dv || value.isEmpty()) return;
+	auto value = action->data().toString();
+	if (value.isEmpty())
+		return;
+
+	auto diagram = currentDiagramView()->diagram();
 
 	if (value == "select_all")
-		dv->selectAll();
+		diagram->selectAll();
 	else if (value == "deselect")
-		dv->selectNothing();
+		diagram->deselectAll();
 	else if (value == "invert_selection")
-		dv->selectInvert();
+		diagram->invertSelection();
 }
 
 /**