diff --git a/sources/qetgraphicsitem/customelement.cpp b/sources/qetgraphicsitem/customelement.cpp
index 99376fb56..d78c070ca 100644
--- a/sources/qetgraphicsitem/customelement.cpp
+++ b/sources/qetgraphicsitem/customelement.cpp
@@ -47,7 +47,7 @@
 		- 8 : Aucune partie du dessin n'a pu etre chargee
 */
 CustomElement::CustomElement(const ElementsLocation &location, QGraphicsItem *qgi, int *state) :
-	FixedElement(qgi),
+	Element(qgi),
 	location_(location),
 	forbid_antialiasing(false)
 {
@@ -281,13 +281,6 @@ QList<QVector<qreal> *> CustomElement::arcs() const {
 	return(m_arcs);
 }
 
-/**
-	@return Le nombre de bornes que l'element possede
-*/
-int CustomElement::terminalsCount() const {
-	return(m_terminals.size());
-}
-
 /**
 	Dessine le composant sur le Diagram
 	@param qp Le QPainter a utiliser pour dessiner l'element
diff --git a/sources/qetgraphicsitem/customelement.h b/sources/qetgraphicsitem/customelement.h
index 67e8001ea..7bff33437 100644
--- a/sources/qetgraphicsitem/customelement.h
+++ b/sources/qetgraphicsitem/customelement.h
@@ -17,7 +17,7 @@
 */
 #ifndef CUSTOM_ELEMENT_H
 #define CUSTOM_ELEMENT_H
-#include "fixedelement.h"
+#include "element.h"
 #include "nameslist.h"
 #include "elementslocation.h"
 #include <QPicture>
@@ -29,7 +29,7 @@ class Terminal;
 	element, the difference being that the CustomElement reads its description
 	(names, drawing, behavior) from an XML document.
 */
-class CustomElement : public FixedElement
+class CustomElement : public Element
 {
 	Q_OBJECT
 	
@@ -68,7 +68,6 @@ class CustomElement : public FixedElement
 		QList<QRectF *> circles() const override;
 		QList<QVector<QPointF> *> polygons() const override;
 		QList<QVector<qreal> *> arcs() const override;
-		int terminalsCount() const override;
 		void paint(QPainter *, const QStyleOptionGraphicsItem *) override;
 		QString typeId() const override;
 		ElementsLocation location() const;
diff --git a/sources/qetgraphicsitem/element.h b/sources/qetgraphicsitem/element.h
index be03304d3..49fb87104 100644
--- a/sources/qetgraphicsitem/element.h
+++ b/sources/qetgraphicsitem/element.h
@@ -90,12 +90,6 @@ class Element : public QetGraphicsItem
 		virtual QList<QVector<QPointF> *> polygons() const = 0;
 			/// @return the list of arcs in this element
 		virtual QList<QVector<qreal> *> arcs() const = 0;
-			/// @return the current number of terminals of this element
-		virtual int terminalsCount() const = 0;
-			/// @return the minimum number of terminals for this element
-		virtual int minTerminalsCount() const = 0;
-			/// @return the maximum number of terminals for this element
-		virtual int maxTerminalsCount() const = 0;
 
 		QList <QPair <Terminal *, Terminal *> > AlignedFreeTerminals () const;
 
diff --git a/sources/qetgraphicsitem/fixedelement.cpp b/sources/qetgraphicsitem/fixedelement.cpp
deleted file mode 100644
index e9de87968..000000000
--- a/sources/qetgraphicsitem/fixedelement.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
-	Copyright 2006-2017 The QElectroTech Team
-	This file is part of QElectroTech.
-	
-	QElectroTech is free software: you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 2 of the License, or
-	(at your option) any later version.
-	
-	QElectroTech is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-	
-	You should have received a copy of the GNU General Public License
-	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
-*/
-#include "fixedelement.h"
-/**
-	Constructeur
-*/
-FixedElement::FixedElement(QGraphicsItem *parent) : Element(parent) {
-}
-
-/**
-	Destructeur
-*/
-FixedElement::~FixedElement() {
-}
-
-/**
-	@return Le nombre minimal de bornes que l'element peut avoir
-*/
-int FixedElement::minTerminalsCount() const {
-	return(terminalsCount());
-}
-
-/**
-	@return Le nombre maximal de bornes que l'element peut avoir
-*/
-int FixedElement::maxTerminalsCount() const {
-	return(terminalsCount());
-}
diff --git a/sources/qetgraphicsitem/fixedelement.h b/sources/qetgraphicsitem/fixedelement.h
deleted file mode 100644
index c508ee71a..000000000
--- a/sources/qetgraphicsitem/fixedelement.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
-	Copyright 2006-2017 The QElectroTech Team
-	This file is part of QElectroTech.
-	
-	QElectroTech is free software: you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 2 of the License, or
-	(at your option) any later version.
-	
-	QElectroTech is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-	
-	You should have received a copy of the GNU General Public License
-	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
-*/
-#ifndef ELEMENTFIXE_H
-#define ELEMENTFIXE_H
-
-#include "element.h"
-
-/**
-	This class represents an element having a fixed number of terminals.
-*/
-class FixedElement : public Element {
-	
-	Q_OBJECT
-	
-	// constructors, destructor
-	public:
-	FixedElement(QGraphicsItem * = nullptr);
-	~FixedElement() override;
-	
-	// methods
-	public:
-	int minTerminalsCount() const override;
-	int maxTerminalsCount() const override;
-	int terminalsCount() const override = 0;
-	void paint(QPainter *, const QStyleOptionGraphicsItem *) override = 0;
-	QString typeId() const override = 0;
-	QString name() const override = 0;
-};
-#endif