diff --git a/sources/editor/graphicspart/partterminal.cpp b/sources/editor/graphicspart/partterminal.cpp
index 805ac7b54..0b85ba026 100644
--- a/sources/editor/graphicspart/partterminal.cpp
+++ b/sources/editor/graphicspart/partterminal.cpp
@@ -476,13 +476,6 @@ void PartTerminal::setMasterLabelIndex(int index)
 	emit masterLabelIndexChanged();
 }
 
-void PartTerminal::setPotential(const QString &potential)
-{
-	if (d->m_potential == potential) return;
-	d->m_potential = potential;
-	emit potentialChanged();
-}
-
 /**
 	Updates the position of the second point according to the position
 	and orientation of the terminal.
diff --git a/sources/editor/graphicspart/partterminal.h b/sources/editor/graphicspart/partterminal.h
index 10930e4c0..1ef413cd6 100644
--- a/sources/editor/graphicspart/partterminal.h
+++ b/sources/editor/graphicspart/partterminal.h
@@ -44,7 +44,6 @@ class PartTerminal : public CustomElementGraphicPart
 	Q_PROPERTY(QColor label_color READ labelColor WRITE setLabelColor)
 	Q_PROPERTY(bool use_master_label READ useMasterLabel WRITE setUseMasterLabel)
 	Q_PROPERTY(int master_label_index READ masterLabelIndex WRITE setMasterLabelIndex)
-	Q_PROPERTY(QString potential READ potential WRITE setPotential)
 
 	public:
 		// constructors, destructor
@@ -57,7 +56,6 @@ class PartTerminal : public CustomElementGraphicPart
 		void orientationChanged();
 		void nameChanged();
 		void terminalTypeChanged();
-		void potentialChanged();
 		void showNameChanged();
 		void labelPosChanged();
 		void labelFontChanged();
@@ -142,9 +140,6 @@ class PartTerminal : public CustomElementGraphicPart
 		int masterLabelIndex() const { return d->m_master_label_index; }
 		void setMasterLabelIndex(int index);
 
-		QString potential() const { return d->m_potential; }
-		void setPotential(const QString &potential);
-
 		void setNewUuid();
 
 		QRectF labelRect() const;
diff --git a/sources/editor/ui/terminaleditor.cpp b/sources/editor/ui/terminaleditor.cpp
index c2097853b..f3d23b7d9 100644
--- a/sources/editor/ui/terminaleditor.cpp
+++ b/sources/editor/ui/terminaleditor.cpp
@@ -84,7 +84,6 @@ void TerminalEditor::updateForm()
 	ui->m_orientation_cb->setCurrentIndex(ui->m_orientation_cb->findData(m_part->property("orientation")));
 	ui->m_name_le->setText(m_part->terminalName());
 	ui->m_type_cb->setCurrentIndex(ui->m_type_cb->findData(m_part->terminalType()));
-	ui->m_potential_le->setText(m_part->potential());
 
 	ui->m_show_name_cb->setChecked(m_part->showName());
 	ui->m_label_x_dsb->setValue(m_part->labelPos().x());
@@ -264,24 +263,6 @@ void TerminalEditor::nameEdited()
 	m_locked=false;
 }
 
-void TerminalEditor::potentialEdited()
-{
-	if (m_locked) {
-		return;
-	}
-
-	m_locked = true;
-	QString potential_(ui->m_potential_le->text());
-
-	if (m_part->potential() != potential_)
-	{
-		auto undo = new QPropertyUndoCommand(m_part, "potential", m_part->property("potential"), potential_);
-		undo->setText(tr("Modifier le potentiel d'une borne"));
-		undoStack().push(undo);
-	}
-	m_locked = false;
-}
-
 /**
  * @brief TerminalEditor::typeEdited
  */
@@ -476,8 +457,6 @@ void TerminalEditor::activeConnections(bool active)
 										this, &TerminalEditor::labelAlignClicked);
 		m_editor_connections << connect(ui->m_label_frame_cb, &QCheckBox::toggled,
 										this, &TerminalEditor::labelFrameEdited);
-		m_editor_connections << connect(ui->m_potential_le, &QLineEdit::editingFinished,
-								this, &TerminalEditor::potentialEdited);
 		m_editor_connections << connect(ui->m_use_master_label_cb, &QCheckBox::toggled,
 										this, &TerminalEditor::useMasterLabelEdited);
 		m_editor_connections << connect(ui->m_master_label_cb, QOverload<int>::of(&QComboBox::activated),
@@ -507,7 +486,6 @@ void TerminalEditor::activeChangeConnections(bool active)
 		m_change_connections << connect(m_part, &PartTerminal::labelVAlignmentChanged, this, &TerminalEditor::updateForm);
 		m_change_connections << connect(m_part, &PartTerminal::labelFrameChanged, this, &TerminalEditor::updateForm);
 		m_change_connections << connect(m_part, &PartTerminal::labelColorChanged, this, &TerminalEditor::updateForm);
-		m_change_connections << connect(m_part, &PartTerminal::potentialChanged, this, &TerminalEditor::updateForm);
 		m_change_connections << connect(m_part, &PartTerminal::useMasterLabelChanged, this, &TerminalEditor::updateForm);
 		m_change_connections << connect(m_part, &PartTerminal::masterLabelIndexChanged, this, &TerminalEditor::updateForm);
 	} else {
diff --git a/sources/editor/ui/terminaleditor.h b/sources/editor/ui/terminaleditor.h
index 57f6ea5e6..7c15d9f2c 100644
--- a/sources/editor/ui/terminaleditor.h
+++ b/sources/editor/ui/terminaleditor.h
@@ -58,7 +58,6 @@ class TerminalEditor : public ElementItemEditor
 		void orientationEdited();
 		void nameEdited();
 		void typeEdited();
-		void potentialEdited();
 		void showNameEdited();
 		void labelPosEdited();
 		void labelFontClicked();
diff --git a/sources/editor/ui/terminaleditor.ui b/sources/editor/ui/terminaleditor.ui
index 33eb50047..6dc2388cb 100644
--- a/sources/editor/ui/terminaleditor.ui
+++ b/sources/editor/ui/terminaleditor.ui
@@ -48,7 +48,7 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="1">
+   <item row="4" column="1">
     <widget class="QLineEdit" name="m_name_le"/>
    </item>
    <item row="2" column="1">
@@ -61,7 +61,7 @@
      </property>
     </widget>
    </item>
-   <item row="5" column="0">
+   <item row="4" column="0">
     <widget class="QLabel" name="label_4">
      <property name="text">
       <string>Nom :</string>
@@ -78,21 +78,7 @@
    <item row="3" column="1">
     <widget class="QComboBox" name="m_type_cb"/>
    </item>
-   <item row="4" column="0">
-    <widget class="QLabel" name="label_potential">
-     <property name="text">
-      <string>Potentiel:</string>
-     </property>
-    </widget>
-   </item>
-   <item row="4" column="1">
-    <widget class="QLineEdit" name="m_potential_le">
-     <property name="toolTip">
-      <string>Sans effet si "Isolation du potentiel" n'est pas cochée (toutes les bornes du bloc restent alors reliées). Si elle est cochée : les bornes partageant la même valeur restent reliées entre elles, les autres sont isolées.</string>
-     </property>
-    </widget>
-   </item>
-   <item row="6" column="0" colspan="2">
+   <item row="5" column="0" colspan="2">
     <widget class="QGroupBox" name="m_label_gb">
      <property name="title">
       <string>Nom de la borne</string>
@@ -228,7 +214,7 @@
      </layout>
     </widget>
    </item>
-   <item row="7" column="0" colspan="2">
+   <item row="6" column="0" colspan="2">
     <widget class="QGroupBox" name="m_master_label_gb">
      <property name="title">
       <string>Étiquette du maître</string>
diff --git a/sources/properties/terminaldata.cpp b/sources/properties/terminaldata.cpp
index f8a371107..1805ba3c9 100644
--- a/sources/properties/terminaldata.cpp
+++ b/sources/properties/terminaldata.cpp
@@ -129,9 +129,6 @@ QDomElement TerminalData::toXml(QDomDocument &xml_document) const
 			xml_element.setAttribute("label_color", m_label_color.name());
 	}
 
-	if (!m_potential.isEmpty())
-		xml_element.setAttribute("potential", m_potential);
-
 	// Save master label override settings
 	if (m_use_master_label) {
 		xml_element.setAttribute("use_master_label", "true");
@@ -210,8 +207,6 @@ bool TerminalData::fromXml (const QDomElement &xml_element)
 			m_label_color = QColor(color_str);
 	}
 
-	m_potential = xml_element.attribute("potential");
-
 	// Read master label override settings
 	m_use_master_label = (xml_element.attribute("use_master_label") == QLatin1String("true"));
 	m_master_label_index = xml_element.attribute("master_label_index", "0").toInt();
diff --git a/sources/properties/terminaldata.h b/sources/properties/terminaldata.h
index 7d269b4cd..9032e6b2c 100644
--- a/sources/properties/terminaldata.h
+++ b/sources/properties/terminaldata.h
@@ -103,18 +103,6 @@ class TerminalData : public PropertiesInterface
 		*/
 		QString m_name;
 
-		/**
-			@brief m_potential
-			An optional, symbol-author-chosen grouping identifier shared by
-			terminals that belong to the same physical terminal within
-			a multi-terminal block. When potential_isolating is enabled
-			on the parent element, terminals sharing a non-empty,
-			matching m_potential stay linked to each other; terminals
-			with different (or empty) values become isolated from each
-			other. Empty by default.
-		*/
-		QString m_potential;
-
 		/**
 			@brief m_pos
 			Position of the terminal. The second point is calculated
diff --git a/sources/qetgraphicsitem/terminal.cpp b/sources/qetgraphicsitem/terminal.cpp
index a09efec12..ec862b39c 100644
--- a/sources/qetgraphicsitem/terminal.cpp
+++ b/sources/qetgraphicsitem/terminal.cpp
@@ -927,18 +927,6 @@ TerminalData::Type Terminal::terminalType() const
 	return d->m_type;
 }
 
-/**
-	@brief Terminal::potential
-	@return this terminal's own potential-group identifier (@see
-	TerminalData::m_potential).
-	An author-chosen grouping used only
-	within a single multi-terminal element.
-*/
-QString Terminal::potential() const
-{
-	return d->m_potential;
-}
-
 /**
 	@brief Terminal::setUseMasterLabel
 	Set whether this terminal uses a label from the master's contact group
@@ -989,22 +977,8 @@ QList<Terminal *> relatedPotentialTerminal (
 	{
 		// English: Check if the user activated the potential isolation checkbox for this terminal
 		if (terminal->parentElement()->elementInformations().value(QStringLiteral("potential_isolating")).toString() == QLatin1String("true")) {
-			// English: Potential is isolated -- but terminals sharing this
-			// terminal's own, non-empty potential-group identifier
-			// (@see TerminalData::m_potential, set per-terminal in the
-			// element editor) still belong to the same physical terminal
-			// and stay linked to each other. An empty/unset potential on
-			// every terminal reproduces the previous, fully-isolated
-			// behavior exactly, so existing elements are unaffected.
-			const QString this_potential = terminal->potential();
-			QList<Terminal *> same_potential;
-			if (!this_potential.isEmpty()) {
-				for (Terminal *t : terminal->parentElement()->terminals()) {
-					if (t != terminal && t->potential() == this_potential)
-						same_potential << t;
-				}
-			}
-			return same_potential;
+			// English: Potential is isolated. Return an empty list so it does not propagate to the other side.
+			return QList<Terminal *>();
 		}
 
 		QList <Terminal *> terminals = terminal->parentElement()->terminals();
diff --git a/sources/qetgraphicsitem/terminal.h b/sources/qetgraphicsitem/terminal.h
index e5e17b4fa..a6eae784c 100644
--- a/sources/qetgraphicsitem/terminal.h
+++ b/sources/qetgraphicsitem/terminal.h
@@ -79,7 +79,6 @@ class Terminal : public QGraphicsObject
 		QString   name                () const;
 		QString   baseName            () const;
 		TerminalData::Type terminalType() const;
-		QString potential() const;
 		bool useMasterLabel() const { return d->m_use_master_label; }
 		void setUseMasterLabel(bool use);
 		int masterLabelIndex() const { return d->m_master_label_index; }