diff --git a/share/qtcreator/qmldesigner/stateseditor/Main.qml b/share/qtcreator/qmldesigner/stateseditor/Main.qml
index 80209864a17..8774f3a02b2 100644
--- a/share/qtcreator/qmldesigner/stateseditor/Main.qml
+++ b/share/qtcreator/qmldesigner/stateseditor/Main.qml
@@ -412,6 +412,8 @@ Rectangle {
                     anchors.verticalCenter: parent.verticalCenter
                     width: stateGroupLabel.visible ? StudioTheme.Values.defaultControlWidth
                                                    : root.width - 2 * root.padding
+                    enabled: !(StatesEditorBackend.statesEditorModel.isMCUs
+                                && stateGroupComboBox.count <= 1)
 
                     HelperWidgets.Tooltip { id: comboBoxTooltip }
 
@@ -420,7 +422,9 @@ Rectangle {
                         running: stateGroupComboBox.hovered
                         onTriggered: comboBoxTooltip.showText(stateGroupComboBox,
                                                               hoverHandler.point.position,
-                                                              qsTr("Switch State Group"))
+                                                              StatesEditorBackend.statesEditorModel.isMCUs
+                                                                ? qsTr("State Groups are not supported with Qt for MCUs")
+                                                                : qsTr("Switch State Group"))
                     }
 
                     onHoverChanged: {
@@ -463,8 +467,11 @@ Rectangle {
                         style: StudioTheme.Values.viewBarButtonStyle
                         buttonIcon: StudioTheme.Constants.add_medium
                         anchors.verticalCenter: parent.verticalCenter
-                        tooltip: qsTr("Create State Group")
+                        tooltip: StatesEditorBackend.statesEditorModel.isMCUs
+                                    ? qsTr("State Groups are not supported with Qt for MCUs")
+                                    : qsTr("Create State Group")
                         onClicked: StatesEditorBackend.statesEditorModel.addStateGroup("stateGroup")
+                        enabled: !StatesEditorBackend.statesEditorModel.isMCUs
                     }
 
                     HelperWidgets.AbstractButton {
diff --git a/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.cpp b/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.cpp
index c317374c8da..606e136de01 100644
--- a/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.cpp
+++ b/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.cpp
@@ -5,6 +5,7 @@
 #include "stateseditorview.h"
 
 #include <bindingproperty.h>
+#include <designermcumanager.h>
 #include <modelnode.h>
 #include <modelnodeoperations.h>
 #include <nodelistproperty.h>
@@ -74,6 +75,7 @@ void StatesEditorModel::reset()
 
     evaluateExtend();
     emit baseStateChanged();
+    emit isMCUsChanged();
 }
 
 QVariant StatesEditorModel::data(const QModelIndex &index, int role) const
@@ -456,4 +458,9 @@ void StatesEditorModel::setCanAddNewStates(bool b)
     emit canAddNewStatesChanged();
 }
 
+bool StatesEditorModel::isMCUs() const
+{
+    return DesignerMcuManager::instance().isMCUProject();
+}
+
 } // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.h b/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.h
index 0e228e46bd8..12d66e29bf2 100644
--- a/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.h
+++ b/src/plugins/qmldesigner/components/stateseditor/stateseditormodel.h
@@ -82,6 +82,7 @@ public:
     Q_PROPERTY(int activeStateGroupIndex READ activeStateGroupIndex WRITE setActiveStateGroupIndex
                    NOTIFY activeStateGroupIndexChanged)
     Q_PROPERTY(QStringList stateGroups READ stateGroups NOTIFY stateGroupsChanged)
+    Q_PROPERTY(bool isMCUs READ isMCUs NOTIFY isMCUsChanged)
 
     Q_INVOKABLE void move(int from, int to);
     Q_INVOKABLE void drop(int from, int to);
@@ -92,6 +93,8 @@ public:
     bool canAddNewStates() const;
     void setCanAddNewStates(bool b);
 
+    bool isMCUs() const;
+
 signals:
     void changedToState(int n);
     void baseStateChanged();
@@ -101,6 +104,7 @@ signals:
     void activeStateGroupIndexChanged();
     void stateGroupsChanged();
     void canAddNewStatesChanged();
+    void isMCUsChanged();
 
 private:
     QPointer<StatesEditorView> m_statesEditorView;