diff --git a/sources/qetproject.cpp b/sources/qetproject.cpp
index 4045f08f0..00f7b2e1f 100644
--- a/sources/qetproject.cpp
+++ b/sources/qetproject.cpp
@@ -1427,21 +1427,6 @@ bool QETProject::titleBlockTemplateCollectionWasModified() {
 	return(titleblocks_.templates().count());
 }
 
-/**
-	Cette methode sert a reperer un projet vide, c-a-d un projet identique a ce
-	que l'on obtient en faisant Fichier > Nouveau.
-	@return true si les schemas de ce projet ont ete modifies
-	Concretement, il doit y avoir exactement un schema, dont la pile
-	d'annulation est "clean".
-*/
-bool QETProject::diagramsWereModified() {
-	// il doit y avoir exactement un schema
-	if (diagrams_.count() != 1) return(true);
-	
-	// dont la pile d'annulation est "clean"
-	return(!(diagrams_[0] -> undoStack().isClean() && !diagrams_[0] -> wasWritten()));
-}
-
 /**
 	@return the project-wide properties made available to child diagrams.
 */
@@ -1467,12 +1452,15 @@ void QETProject::setProjectProperties(const DiagramContext &context) {
 	@see diagramsWereModified(), embeddedCollectionWasModified()
 */
 bool QETProject::projectWasModified() {
-	if (projectOptionsWereModified()) return(true);
-	if (diagramsWereModified()) return(true);
-	if (embeddedCollectionWasModified()) return(true);
-	if (titleBlockTemplateCollectionWasModified()) return(true);
+
+	if ( projectOptionsWereModified()    ||
+		 !undo_stack_ -> isClean()       ||
+		 embeddedCollectionWasModified() ||
+		 titleBlockTemplateCollectionWasModified() )
+		return(true);
 	
-	return(false);
+	else
+		return(false);
 }
 
 /**
diff --git a/sources/qetproject.h b/sources/qetproject.h
index 6d42962f1..5d3d18b0f 100644
--- a/sources/qetproject.h
+++ b/sources/qetproject.h
@@ -137,7 +137,6 @@ class QETProject : public QObject {
 	bool projectOptionsWereModified();
 	bool embeddedCollectionWasModified();
 	bool titleBlockTemplateCollectionWasModified();
-	bool diagramsWereModified();
 	DiagramContext projectProperties();
 	void setProjectProperties(const DiagramContext &);
 	QUndoStack* undoStack() {return undo_stack_;}