diff --git a/sources/qetgraphicsitem/terminalelement.cpp b/sources/qetgraphicsitem/terminalelement.cpp
index c5b0a563f..2a8ff426d 100644
--- a/sources/qetgraphicsitem/terminalelement.cpp
+++ b/sources/qetgraphicsitem/terminalelement.cpp
@@ -25,8 +25,8 @@
  * @param s parent diagram
  * @param state int used to know if the creation of element have error
  */
-TerminalElement::TerminalElement(const ElementsLocation &location, QGraphicsItem *qgi, Diagram *s, int *state) :
-	CustomElement(location, qgi, s, state)
+TerminalElement::TerminalElement(const ElementsLocation &location, QGraphicsItem *qgi, int *state) :
+	CustomElement(location, qgi, state)
 {
 	link_type_ = Terminale;
 }
diff --git a/sources/qetgraphicsitem/terminalelement.h b/sources/qetgraphicsitem/terminalelement.h
index 287005db1..37e053b1b 100644
--- a/sources/qetgraphicsitem/terminalelement.h
+++ b/sources/qetgraphicsitem/terminalelement.h
@@ -24,7 +24,7 @@ class TerminalElement : public CustomElement
 {
 		Q_OBJECT
 	public:
-		TerminalElement(const ElementsLocation &, QGraphicsItem * = 0, Diagram * = 0, int * = 0);
+		TerminalElement(const ElementsLocation &, QGraphicsItem * = 0, int * = 0);
 		~TerminalElement();
 };