diff --git a/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp b/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
index 098376f0fe9..5239837ed49 100644
--- a/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp
@@ -23,10 +23,11 @@
 
 #include <formeditortoolbutton.h>
 
-#include <documentmanager.h>
-#include <qmldesignerplugin.h>
-#include <viewmanager.h>
 #include <actioneditor.h>
+#include <documentmanager.h>
+#include <model/modelutils.h>
+#include <viewmanager.h>
+#include <qmldesignerplugin.h>
 
 #include <listmodeleditor/listmodeleditordialog.h>
 #include <listmodeleditor/listmodeleditormodel.h>
@@ -419,7 +420,7 @@ public:
 
                 parentNode = selectionContext().currentSingleSelectedNode().parentProperty().parentModelNode();
 
-                if (!ModelNode::isThisOrAncestorLocked(parentNode)) {
+                if (!ModelUtils::isThisOrAncestorLocked(parentNode)) {
                     ActionTemplate *selectionAction = new ActionTemplate("SELECTION", {}, &ModelNodeOperations::select);
                     selectionAction->setParent(menu());
                     selectionAction->setText(QString(QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Parent")));
@@ -432,11 +433,9 @@ public:
                 }
             }
             for (const ModelNode &node : selectionContext().view()->allModelNodes()) {
-                if (node != selectionContext().currentSingleSelectedNode()
-                        && node != parentNode
-                        && contains(node, selectionContext().scenePosition())
-                        && !node.isRootNode()
-                        && !ModelNode::isThisOrAncestorLocked(node)) {
+                if (node != selectionContext().currentSingleSelectedNode() && node != parentNode
+                    && contains(node, selectionContext().scenePosition()) && !node.isRootNode()
+                    && !ModelUtils::isThisOrAncestorLocked(node)) {
                     selectionContext().setTargetNode(node);
                     QString what = QString(QT_TRANSLATE_NOOP("QmlDesignerContextMenu", "Select: %1")).arg(captionForModelNode(node));
                     ActionTemplate *selectionAction = new ActionTemplate("SELECT", what, &ModelNodeOperations::select);
diff --git a/src/plugins/qmldesigner/components/connectioneditor/connectionmodel.cpp b/src/plugins/qmldesigner/components/connectioneditor/connectionmodel.cpp
index 50ad727fe22..5791b8ad6c6 100644
--- a/src/plugins/qmldesigner/components/connectioneditor/connectionmodel.cpp
+++ b/src/plugins/qmldesigner/components/connectioneditor/connectionmodel.cpp
@@ -8,6 +8,7 @@
 #include <bindingproperty.h>
 #include <connectioneditorevaluator.h>
 #include <exception.h>
+#include <model/modelutils.h>
 #include <nodeabstractproperty.h>
 #include <nodelistproperty.h>
 #include <nodemetainfo.h>
@@ -69,7 +70,7 @@ Qt::ItemFlags ConnectionModel::flags(const QModelIndex &modelIndex) const
     const int internalId = data(index(modelIndex.row(), TargetModelNodeRow), UserRoles::InternalIdRole).toInt();
     ModelNode modelNode = m_connectionView->modelNodeForInternalId(internalId);
 
-    if (modelNode.isValid() && ModelNode::isThisOrAncestorLocked(modelNode))
+    if (modelNode.isValid() && ModelUtils::isThisOrAncestorLocked(modelNode))
         return Qt::ItemIsEnabled;
 
     return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
diff --git a/src/plugins/qmldesigner/components/edit3d/edit3dwidget.cpp b/src/plugins/qmldesigner/components/edit3d/edit3dwidget.cpp
index f330094b71c..c054b712ce3 100644
--- a/src/plugins/qmldesigner/components/edit3d/edit3dwidget.cpp
+++ b/src/plugins/qmldesigner/components/edit3d/edit3dwidget.cpp
@@ -25,6 +25,7 @@
 #include <designeractionmanager.h>
 #include <designermcumanager.h>
 #include <import.h>
+#include <model/modelutils.h>
 #include <nodeinstanceview.h>
 #include <seekerslider.h>
 
@@ -44,7 +45,8 @@
 
 namespace QmlDesigner {
 
-static inline QIcon contextIcon(const DesignerIcons::IconId &iconId) {
+inline static QIcon contextIcon(const DesignerIcons::IconId &iconId)
+{
     return DesignerActionManager::instance().contextIcon(iconId);
 };
 
@@ -257,17 +259,16 @@ void Edit3DWidget::createContextMenu()
     m_contextMenu->addSeparator();
 
     m_selectParentAction = m_contextMenu->addAction(
-                contextIcon(DesignerIcons::ParentIcon),
-                tr("Select Parent"), [&] {
-        ModelNode parentNode = ModelNode::lowestCommonAncestor(view()->selectedModelNodes());
-        if (!parentNode.isValid())
-            return;
+        contextIcon(DesignerIcons::ParentIcon), tr("Select Parent"), [&] {
+            ModelNode parentNode = ModelUtils::lowestCommonAncestor(view()->selectedModelNodes());
+            if (!parentNode.isValid())
+                return;
 
-        if (!parentNode.isRootNode() && view()->isSelectedModelNode(parentNode))
-            parentNode = parentNode.parentProperty().parentModelNode();
+            if (!parentNode.isRootNode() && view()->isSelectedModelNode(parentNode))
+                parentNode = parentNode.parentProperty().parentModelNode();
 
-        view()->setSelectedModelNode(parentNode);
-    });
+            view()->setSelectedModelNode(parentNode);
+        });
 
     QAction *defaultToggleGroupAction = view()->edit3DAction(View3DActionType::SelectionModeToggle)->action();
     m_toggleGroupAction = m_contextMenu->addAction(
@@ -291,7 +292,7 @@ bool Edit3DWidget::isSceneLocked() const
 {
     if (m_view && m_view->hasModelNodeForInternalId(m_canvas->activeScene())) {
         ModelNode node = m_view->modelNodeForInternalId(m_canvas->activeScene());
-        if (ModelNode::isThisOrAncestorLocked(node))
+        if (ModelUtils::isThisOrAncestorLocked(node))
             return true;
     }
     return false;
@@ -525,7 +526,7 @@ void Edit3DWidget::dragEnterEvent(QDragEnterEvent *dragEnterEvent)
     // Block all drags if scene root node is locked
     if (m_view->hasModelNodeForInternalId(m_canvas->activeScene())) {
         ModelNode node = m_view->modelNodeForInternalId(m_canvas->activeScene());
-        if (ModelNode::isThisOrAncestorLocked(node))
+        if (ModelUtils::isThisOrAncestorLocked(node))
             return;
     }
 
diff --git a/src/plugins/qmldesigner/components/formeditor/abstractformeditortool.cpp b/src/plugins/qmldesigner/components/formeditor/abstractformeditortool.cpp
index 774b4c0d911..657fb4773e0 100644
--- a/src/plugins/qmldesigner/components/formeditor/abstractformeditortool.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/abstractformeditortool.cpp
@@ -9,6 +9,8 @@
 #include "modelnodecontextmenu.h"
 #include "qmldesignerconstants.h"
 
+#include <model/modelutils.h>
+
 #include <QDebug>
 #include <QGraphicsSceneDragDropEvent>
 #include <QMimeData>
@@ -180,7 +182,7 @@ FormEditorItem* AbstractFormEditorTool::nearestFormEditorItem(const QPointF &poi
         if (formEditorItem->parentItem() && !formEditorItem->parentItem()->isContentVisible())
             continue;
 
-        if (formEditorItem && ModelNode::isThisOrAncestorLocked(formEditorItem->qmlItemNode().modelNode()))
+        if (formEditorItem && ModelUtils::isThisOrAncestorLocked(formEditorItem->qmlItemNode().modelNode()))
             continue;
 
         if (!nearestItem)
diff --git a/src/plugins/qmldesigner/components/navigator/nameitemdelegate.cpp b/src/plugins/qmldesigner/components/navigator/nameitemdelegate.cpp
index a955a81c0ee..1a3814f9618 100644
--- a/src/plugins/qmldesigner/components/navigator/nameitemdelegate.cpp
+++ b/src/plugins/qmldesigner/components/navigator/nameitemdelegate.cpp
@@ -12,10 +12,11 @@
 #include "qproxystyle.h"
 
 #include <metainfo.h>
+#include <model/modelutils.h>
 #include <modelnodecontextmenu.h>
+#include <theme.h>
 #include <qmldesignerconstants.h>
 #include <qmlobjectnode.h>
-#include <theme.h>
 
 #include <coreplugin/messagebox.h>
 #include <utils/qtcassert.h>
@@ -212,7 +213,7 @@ void NameItemDelegate::paint(QPainter *painter,
     }
 
     ModelNode node = getModelNode(modelIndex);
-    if (!ModelNode::isThisOrAncestorLocked(node)) {
+    if (!ModelUtils::isThisOrAncestorLocked(node)) {
         NavigatorWidget *widget = qobject_cast<NavigatorWidget *>(styleOption.widget->parent());
         if (widget && !widget->dragType().isEmpty()) {
             QByteArray dragType = widget->dragType();
diff --git a/src/plugins/qmldesigner/components/navigator/navigatortreemodel.cpp b/src/plugins/qmldesigner/components/navigator/navigatortreemodel.cpp
index 8b7f1f8a61e..6abda00dbac 100644
--- a/src/plugins/qmldesigner/components/navigator/navigatortreemodel.cpp
+++ b/src/plugins/qmldesigner/components/navigator/navigatortreemodel.cpp
@@ -200,7 +200,7 @@ QVariant NavigatorTreeModel::data(const QModelIndex &index, int role) const
         return m_view->isNodeInvisible(modelNode) ? Qt::Unchecked : Qt::Checked;
 
     if (role == ItemOrAncestorLocked)
-        return ModelNode::isThisOrAncestorLocked(modelNode);
+        return ModelUtils::isThisOrAncestorLocked(modelNode);
 
     if (role == ModelNodeRole)
         return QVariant::fromValue<ModelNode>(modelNode);
@@ -273,13 +273,13 @@ Qt::ItemFlags NavigatorTreeModel::flags(const QModelIndex &index) const
     if (index.column() == ColumnType::Alias
         || index.column() == ColumnType::Visibility
         || index.column() == ColumnType::Lock) {
-        if (ModelNode::isThisOrAncestorLocked(modelNode))
+        if (ModelUtils::isThisOrAncestorLocked(modelNode))
             return Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
         else
             return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
     }
 
-    if (ModelNode::isThisOrAncestorLocked(modelNode))
+    if (ModelUtils::isThisOrAncestorLocked(modelNode))
         return Qt::NoItemFlags;
 
     if (index.column() == ColumnType::Name)
diff --git a/src/plugins/qmldesigner/components/timelineeditor/timelinesectionitem.cpp b/src/plugins/qmldesigner/components/timelineeditor/timelinesectionitem.cpp
index 7a733c37291..b67c70bb0bc 100644
--- a/src/plugins/qmldesigner/components/timelineeditor/timelinesectionitem.cpp
+++ b/src/plugins/qmldesigner/components/timelineeditor/timelinesectionitem.cpp
@@ -15,6 +15,7 @@
 #include <qmltimeline.h>
 #include <qmltimelinekeyframegroup.h>
 
+#include <model/modelutils.h>
 #include <rewritingexception.h>
 
 #include <theme.h>
@@ -301,7 +302,7 @@ void TimelineSectionItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 
     if (event->button() == Qt::LeftButton) {
         event->accept();
-        if (!ModelNode::isThisOrAncestorLocked(m_targetNode))
+        if (!ModelUtils::isThisOrAncestorLocked(m_targetNode))
             toggleCollapsed();
     }
 }
@@ -334,7 +335,7 @@ void TimelineSectionItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
         if (m_targetNode.isValid())
             m_targetNode.view()->setSelectedModelNode(m_targetNode);
     } else {
-        if (!ModelNode::isThisOrAncestorLocked(m_targetNode))
+        if (!ModelUtils::isThisOrAncestorLocked(m_targetNode))
             toggleCollapsed();
     }
     update();
diff --git a/src/plugins/qmldesigner/components/transitioneditor/transitioneditorsectionitem.cpp b/src/plugins/qmldesigner/components/transitioneditor/transitioneditorsectionitem.cpp
index a5ec84fad2c..e12b6e915b6 100644
--- a/src/plugins/qmldesigner/components/transitioneditor/transitioneditorsectionitem.cpp
+++ b/src/plugins/qmldesigner/components/transitioneditor/transitioneditorsectionitem.cpp
@@ -13,6 +13,7 @@
 
 #include <abstractview.h>
 #include <bindingproperty.h>
+#include <model/modelutils.h>
 #include <variantproperty.h>
 #include <qmltimeline.h>
 #include <qmltimelinekeyframegroup.h>
@@ -349,7 +350,7 @@ void TransitionEditorSectionItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent
 
     if (event->button() == Qt::LeftButton) {
         event->accept();
-        if (!ModelNode::isThisOrAncestorLocked(m_targetNode))
+        if (!ModelUtils::isThisOrAncestorLocked(m_targetNode))
             toggleCollapsed();
     }
 }
@@ -382,7 +383,7 @@ void TransitionEditorSectionItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *ev
         if (m_targetNode.isValid())
             m_targetNode.view()->setSelectedModelNode(m_targetNode);
     } else {
-        if (!ModelNode::isThisOrAncestorLocked(m_targetNode))
+        if (!ModelUtils::isThisOrAncestorLocked(m_targetNode))
             toggleCollapsed();
     }
     update();
diff --git a/src/plugins/qmldesigner/designercore/include/modelnode.h b/src/plugins/qmldesigner/designercore/include/modelnode.h
index 676a211cd61..0517599f5be 100644
--- a/src/plugins/qmldesigner/designercore/include/modelnode.h
+++ b/src/plugins/qmldesigner/designercore/include/modelnode.h
@@ -223,9 +223,6 @@ public:
     bool locked() const;
     void setLocked(bool value);
 
-    static bool isThisOrAncestorLocked(const ModelNode &node);
-    static ModelNode lowestCommonAncestor(const QList<ModelNode> &nodes);
-
     qint32 internalId() const;
 
     void setNodeSource(const QString&);
diff --git a/src/plugins/qmldesigner/designercore/model/abstractview.cpp b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
index 17cdffb6f7e..2a9e0e12462 100644
--- a/src/plugins/qmldesigner/designercore/model/abstractview.cpp
+++ b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
@@ -8,12 +8,13 @@
 #include "internalnode_p.h"
 #include "model.h"
 #include "model_p.h"
+#include "modelutils.h"
 #include "nodeinstanceview.h"
 #include "nodelistproperty.h"
 #include "nodemetainfo.h"
+#include "qmldesignerconstants.h"
 #include "qmlstate.h"
 #include "qmltimeline.h"
-#include "qmldesignerconstants.h"
 #include "rewritertransaction.h"
 #include "variantproperty.h"
 
@@ -412,7 +413,7 @@ void AbstractView::setSelectedModelNodes(const QList<ModelNode> &selectedNodeLis
     QList<ModelNode> unlockedNodes;
 
     for (const auto &modelNode : selectedNodeList) {
-        if (!ModelNode::isThisOrAncestorLocked(modelNode))
+        if (!ModelUtils::isThisOrAncestorLocked(modelNode))
             unlockedNodes.push_back(modelNode);
     }
 
@@ -421,7 +422,7 @@ void AbstractView::setSelectedModelNodes(const QList<ModelNode> &selectedNodeLis
 
 void AbstractView::setSelectedModelNode(const ModelNode &modelNode)
 {
-    if (ModelNode::isThisOrAncestorLocked(modelNode)) {
+    if (ModelUtils::isThisOrAncestorLocked(modelNode)) {
         clearSelectedModelNodes();
         return;
     }
diff --git a/src/plugins/qmldesigner/designercore/model/modelnode.cpp b/src/plugins/qmldesigner/designercore/model/modelnode.cpp
index c285161e833..c8d9132d572 100644
--- a/src/plugins/qmldesigner/designercore/model/modelnode.cpp
+++ b/src/plugins/qmldesigner/designercore/model/modelnode.cpp
@@ -1230,108 +1230,6 @@ void ModelNode::setLocked(bool value)
     }
 }
 
-bool ModelNode::isThisOrAncestorLocked(const ModelNode &node)
-{
-    if (!node.isValid())
-        return false;
-
-    if (node.locked())
-        return true;
-
-    if (node.isRootNode() || !node.hasParentProperty())
-        return false;
-
-    return isThisOrAncestorLocked(node.parentProperty().parentModelNode());
-}
-
-/*!
- * \brief The lowest common ancestor node for node1 and node2. If one of the nodes (Node A) is
- * the ancestor of the other node, the return value is Node A and not the parent of Node A.
- * \param node1 First node
- * \param node2 Second node
- * \param depthOfLCA Depth of the return value
- * \param depthOfNode1 Depth of node1. Use this parameter for optimization
- * \param depthOfNode2 Depth of node2. Use this parameter for optimization
- */
-static ModelNode lowestCommonAncestor(const ModelNode &node1,
-                                      const ModelNode &node2,
-                                      int &depthOfLCA,
-                                      const int &depthOfNode1 = -1,
-                                      const int &depthOfNode2 = -1)
-{
-    Q_ASSERT(node1.isValid() && node2.isValid());
-
-    auto depthOfNode = [](const ModelNode &node) -> int {
-        int depth = 0;
-        ModelNode parentNode = node;
-        while (!parentNode.isRootNode()) {
-            depth++;
-            parentNode = parentNode.parentProperty().parentModelNode();
-        }
-        return depth;
-    };
-
-    if (node1 == node2) {
-        depthOfLCA = (depthOfNode1 < 0) ? ((depthOfNode2 < 0) ? depthOfNode(node1) : depthOfNode2)
-                                        : depthOfNode1;
-        return node1;
-    }
-
-    if (node1.isRootNode()) {
-        depthOfLCA = 0;
-        return node1;
-    }
-
-    if (node2.isRootNode()) {
-        depthOfLCA = 0;
-        return node2;
-    }
-
-    ModelNode nodeLower = node1;
-    ModelNode nodeHigher = node2;
-    int depthLower = (depthOfNode1 < 0) ? depthOfNode(nodeLower) : depthOfNode1;
-    int depthHigher = (depthOfNode2 < 0) ? depthOfNode(nodeHigher) : depthOfNode2;
-
-    if (depthLower > depthHigher) {
-        std::swap(depthLower, depthHigher);
-        std::swap(nodeLower, nodeHigher);
-    }
-
-    int depthDiff = depthHigher - depthLower;
-    while (depthDiff--)
-        nodeHigher = nodeHigher.parentProperty().parentModelNode();
-
-    while (nodeLower != nodeHigher) {
-        nodeLower = nodeLower.parentProperty().parentModelNode();
-        nodeHigher = nodeHigher.parentProperty().parentModelNode();
-        --depthLower;
-    }
-
-    depthOfLCA = depthLower;
-    return nodeLower;
-}
-
-/*!
- * \brief The lowest common node containing all nodes. If one of the nodes (Node A) is
- * the ancestor of the other nodes, the return value is Node A and not the parent of Node A.
- */
-ModelNode ModelNode::lowestCommonAncestor(const QList<ModelNode> &nodes)
-{
-    if (nodes.isEmpty())
-        return {};
-
-    ModelNode accumulatedNode = nodes.first();
-    int accumulatedNodeDepth = -1;
-    for (const ModelNode &node : Utils::span<const ModelNode>(nodes).subspan(1)) {
-        accumulatedNode = QmlDesigner::lowestCommonAncestor(accumulatedNode,
-                                                            node,
-                                                            accumulatedNodeDepth,
-                                                            accumulatedNodeDepth);
-    }
-
-    return accumulatedNode;
-}
-
 void ModelNode::setScriptFunctions(const QStringList &scriptFunctionList)
 {
     if (!isValid())
diff --git a/src/plugins/qmldesigner/designercore/model/modelutils.cpp b/src/plugins/qmldesigner/designercore/model/modelutils.cpp
index e1fe3f3cadc..22f472c3e5f 100644
--- a/src/plugins/qmldesigner/designercore/model/modelutils.cpp
+++ b/src/plugins/qmldesigner/designercore/model/modelutils.cpp
@@ -4,6 +4,7 @@
 #include "modelutils.h"
 
 #include <abstractview.h>
+#include <nodeabstractproperty.h>
 #include <nodemetainfo.h>
 #include <projectstorage/projectstorage.h>
 #include <projectstorage/sourcepathcache.h>
@@ -162,4 +163,108 @@ QList<ModelNode> allModelNodesWithId(AbstractView *view)
                            [&](const ModelNode &node) { return node.hasId(); });
 }
 
+bool isThisOrAncestorLocked(const ModelNode &node)
+{
+    if (!node.isValid())
+        return false;
+
+    if (node.locked())
+        return true;
+
+    if (node.isRootNode() || !node.hasParentProperty())
+        return false;
+
+    return isThisOrAncestorLocked(node.parentProperty().parentModelNode());
+}
+
+/*!
+ * \brief The lowest common ancestor node for node1 and node2. If one of the nodes (Node A) is
+ * the ancestor of the other node, the return value is Node A and not the parent of Node A.
+ * \param node1 First node
+ * \param node2 Second node
+ * \param depthOfLCA Depth of the return value
+ * \param depthOfNode1 Depth of node1. Use this parameter for optimization
+ * \param depthOfNode2 Depth of node2. Use this parameter for optimization
+ */
+namespace {
+ModelNode lowestCommonAncestor(const ModelNode &node1,
+                               const ModelNode &node2,
+                               int &depthOfLCA,
+                               const int &depthOfNode1 = -1,
+                               const int &depthOfNode2 = -1)
+{
+    Q_ASSERT(node1.isValid() && node2.isValid());
+
+    auto depthOfNode = [](const ModelNode &node) -> int {
+        int depth = 0;
+        ModelNode parentNode = node;
+        while (!parentNode.isRootNode()) {
+            depth++;
+            parentNode = parentNode.parentProperty().parentModelNode();
+        }
+        return depth;
+    };
+
+    if (node1 == node2) {
+        depthOfLCA = (depthOfNode1 < 0) ? ((depthOfNode2 < 0) ? depthOfNode(node1) : depthOfNode2)
+                                        : depthOfNode1;
+        return node1;
+    }
+
+    if (node1.isRootNode()) {
+        depthOfLCA = 0;
+        return node1;
+    }
+
+    if (node2.isRootNode()) {
+        depthOfLCA = 0;
+        return node2;
+    }
+
+    ModelNode nodeLower = node1;
+    ModelNode nodeHigher = node2;
+    int depthLower = (depthOfNode1 < 0) ? depthOfNode(nodeLower) : depthOfNode1;
+    int depthHigher = (depthOfNode2 < 0) ? depthOfNode(nodeHigher) : depthOfNode2;
+
+    if (depthLower > depthHigher) {
+        std::swap(depthLower, depthHigher);
+        std::swap(nodeLower, nodeHigher);
+    }
+
+    int depthDiff = depthHigher - depthLower;
+    while (depthDiff--)
+        nodeHigher = nodeHigher.parentProperty().parentModelNode();
+
+    while (nodeLower != nodeHigher) {
+        nodeLower = nodeLower.parentProperty().parentModelNode();
+        nodeHigher = nodeHigher.parentProperty().parentModelNode();
+        --depthLower;
+    }
+
+    depthOfLCA = depthLower;
+    return nodeLower;
+}
+} // namespace
+
+/*!
+ * \brief The lowest common node containing all nodes. If one of the nodes (Node A) is
+ * the ancestor of the other nodes, the return value is Node A and not the parent of Node A.
+ */
+ModelNode lowestCommonAncestor(const QList<ModelNode> &nodes)
+{
+    if (nodes.isEmpty())
+        return {};
+
+    ModelNode accumulatedNode = nodes.first();
+    int accumulatedNodeDepth = -1;
+    for (const ModelNode &node : Utils::span<const ModelNode>(nodes).subspan(1)) {
+        accumulatedNode = lowestCommonAncestor(accumulatedNode,
+                                               node,
+                                               accumulatedNodeDepth,
+                                               accumulatedNodeDepth);
+    }
+
+    return accumulatedNode;
+}
+
 } // namespace QmlDesigner::ModelUtils
diff --git a/src/plugins/qmldesigner/designercore/model/modelutils.h b/src/plugins/qmldesigner/designercore/model/modelutils.h
index ee6d3e41303..26cf29aac00 100644
--- a/src/plugins/qmldesigner/designercore/model/modelutils.h
+++ b/src/plugins/qmldesigner/designercore/model/modelutils.h
@@ -38,4 +38,7 @@ QMLDESIGNERCORE_EXPORT QList<ModelNode> pruneChildren(const QList<ModelNode> &no
 
 QMLDESIGNERCORE_EXPORT QList<ModelNode> allModelNodesWithId(AbstractView *view);
 
+QMLDESIGNERCORE_EXPORT bool isThisOrAncestorLocked(const ModelNode &node);
+QMLDESIGNERCORE_EXPORT ModelNode lowestCommonAncestor(const QList<ModelNode> &nodes);
+
 } // namespace QmlDesigner::ModelUtils