diff --git a/src/plugins/squish/objectsmapeditor.cpp b/src/plugins/squish/objectsmapeditor.cpp
index 32220ad7cdc..994d57f5325 100644
--- a/src/plugins/squish/objectsmapeditor.cpp
+++ b/src/plugins/squish/objectsmapeditor.cpp
@@ -10,26 +10,24 @@
 
 #include <coreplugin/editormanager/ieditor.h>
 
-#include <QSharedPointer>
-
 namespace Squish::Internal {
 
 class ObjectsMapEditor : public Core::IEditor
 {
 public:
-    ObjectsMapEditor(QSharedPointer<ObjectsMapDocument> document)
+    ObjectsMapEditor(std::shared_ptr<ObjectsMapDocument> document)
         : m_document(document)
     {
-        setWidget(new ObjectsMapEditorWidget(m_document.data()));
+        setWidget(new ObjectsMapEditorWidget(m_document.get()));
         setDuplicateSupported(true);
     }
     ~ObjectsMapEditor() override { delete m_widget; }
 
 private:
-    Core::IDocument *document() const override { return m_document.data(); }
+    Core::IDocument *document() const override { return m_document.get(); }
     QWidget *toolBar() override { return nullptr; }
     Core::IEditor *duplicate() override { return new ObjectsMapEditor(m_document); }
-    QSharedPointer<ObjectsMapDocument> m_document;
+    std::shared_ptr<ObjectsMapDocument> m_document;
 };
 
 
@@ -41,7 +39,7 @@ ObjectsMapEditorFactory::ObjectsMapEditorFactory()
     setDisplayName(Tr::tr("Squish Object Map Editor"));
     addMimeType(Constants::SQUISH_OBJECTSMAP_MIMETYPE);
     setEditorCreator([] {
-        return new ObjectsMapEditor(QSharedPointer<ObjectsMapDocument>(new ObjectsMapDocument));
+        return new ObjectsMapEditor(std::shared_ptr<ObjectsMapDocument>(new ObjectsMapDocument));
     });
 }