diff --git a/sources/editor/customelementgraphicpart.cpp b/sources/editor/customelementgraphicpart.cpp
index ce23fe754..df017a655 100644
--- a/sources/editor/customelementgraphicpart.cpp
+++ b/sources/editor/customelementgraphicpart.cpp
@@ -153,22 +153,16 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const {
 	@param value Valeur a attribuer a la propriete
 */
 void CustomElementGraphicPart::setProperty(const QString &property, const QVariant &value) {
-	bool change_made = false;
 	if (property == "line-style") {
 		setLineStyle(static_cast<LineStyle>(value.toInt()));
-		change_made = true;
 	} else if (property == "line-weight") {
 		setLineWeight(static_cast<LineWeight>(value.toInt()));
-		change_made = true;
 	} else if (property == "filling") {
 		setFilling(static_cast<Filling>(value.toInt()));
-		change_made = true;
 	} else if (property == "color") {
 		setColor(static_cast<Color>(value.toInt()));
-		change_made = true;
 	} else if (property == "antialias") {
 		setAntialiased(value.toBool());
-		change_made = true;
 	}
 }
 
diff --git a/sources/element.h b/sources/element.h
index 67fc9dcdb..d4e582312 100644
--- a/sources/element.h
+++ b/sources/element.h
@@ -28,6 +28,7 @@ class ElementTextItem;
 class Element : public QObject, public QGraphicsItem {
 	
 	Q_OBJECT
+	Q_INTERFACES(QGraphicsItem)
 	
 	// constructeurs, destructeur
 	public: