diff --git a/sources/diagram.cpp b/sources/diagram.cpp
index 12fa11d22..114081eba 100644
--- a/sources/diagram.cpp
+++ b/sources/diagram.cpp
@@ -39,6 +39,7 @@ const qreal Diagram::margin = 5.0;
 
 // static variable to keep track of present background color of the diagram.
 QColor		Diagram::background_color = Qt::white;
+
 /**
 	Constructeur
 	@param parent Le QObject parent du schema
@@ -123,17 +124,16 @@ void Diagram::drawBackground(QPainter *p, const QRectF &r) {
 	
 	// dessine un fond blanc
 	p -> setPen(Qt::NoPen);
+
 	//set brush color to present background color.
 	p -> setBrush(Diagram::background_color);
+
 	p -> drawRect(r);
 	
 	if (draw_grid_) {
+
 		// dessine les points de la grille
-		// if background color is black, then grid spots shall be white, else they shall be black in color.
-		if (Diagram::background_color == Qt::black)
-			p -> setPen(Qt::white);
-		else
-			p -> setPen(Qt::black);
+		p -> setPen(Qt::black);
 		p -> setBrush(Qt::NoBrush);
 		qreal limite_x = r.x() + r.width();
 		qreal limite_y = r.y() + r.height();
@@ -936,15 +936,6 @@ QList<CustomElement *> Diagram::customElements() const {
 	return(elements_list);
 }
 
-QList <Element *> Diagram::elements() const {
-	QList<Element *> element_list;
-	foreach (QGraphicsItem *qgi, items()) {
-		if (Element *elmt = qgraphicsitem_cast<Element *>(qgi))
-			element_list <<elmt;
-	}
-	return (element_list);
-}
-
 /**
 	Initialise un deplacement d'elements, conducteurs et champs de texte sur le
 	schema.
diff --git a/sources/diagram.h b/sources/diagram.h
index 694bca2b8..4da55f34a 100644
--- a/sources/diagram.h
+++ b/sources/diagram.h
@@ -79,6 +79,7 @@ class Diagram : public QGraphicsScene {
 	static const qreal margin;
 	/// background color of diagram
 	static QColor background_color;
+	
 	private:
 	QGraphicsLineItem *conductor_setter_;
 	ElementsMover *elements_mover_;
@@ -165,7 +166,6 @@ class Diagram : public QGraphicsScene {
 	bool isEmpty() const;
 	
 	QList<CustomElement *> customElements() const;
-	QList<Element *> elements() const;
 	QSet<DiagramTextItem *> selectedTexts() const;
 	QSet<ConductorTextItem *> selectedConductorTexts() const;
 	QSet<Conductor *> selectedConductors() const;
diff --git a/sources/diagramprintdialog.h b/sources/diagramprintdialog.h
index 257cf23d4..3ede44f2f 100644
--- a/sources/diagramprintdialog.h
+++ b/sources/diagramprintdialog.h
@@ -83,6 +83,7 @@ class DiagramPrintDialog : public QWidget {
 	QLineEdit *filepath_field_;
 	QPushButton *browse_button_;
 	QDialogButtonBox *buttons_;
+
 	QColor backup_diagram_background_color;
 };
 #endif
diff --git a/sources/diagramview.cpp b/sources/diagramview.cpp
index 9c66585b1..512a6c264 100644
--- a/sources/diagramview.cpp
+++ b/sources/diagramview.cpp
@@ -652,9 +652,11 @@ void DiagramView::editDiagramProperties() {
 			/// TODO implement an undo command to allow the user to undo/redo this action
 			scene -> defaultConductorProperties = new_conductors;
 		}
+
 		// adjustSceneRect shall be called whenever the user accepts the dialog
 		// even if no changes have been made.
 		// Added so that diagram refreshes after back-ground color change.
+
 		//if (adjust_scene)
 			adjustSceneRect();
 	}