diff --git a/src/plugins/qmldesignerbase/utils/windowmanager.cpp b/src/plugins/qmldesignerbase/utils/windowmanager.cpp
index 6c427fe63fe..a254da69ab0 100644
--- a/src/plugins/qmldesignerbase/utils/windowmanager.cpp
+++ b/src/plugins/qmldesignerbase/utils/windowmanager.cpp
@@ -8,7 +8,7 @@
 #include <QCursor>
 #include <QGuiApplication>
 #include <QMainWindow>
-#include <QRect>
+#include <QQmlEngine>
 #include <QScreen>
 #include <QWindow>
 
diff --git a/src/plugins/qmldesignerbase/utils/windowmanager.h b/src/plugins/qmldesignerbase/utils/windowmanager.h
index 11f4522102f..1e74c721bc6 100644
--- a/src/plugins/qmldesignerbase/utils/windowmanager.h
+++ b/src/plugins/qmldesignerbase/utils/windowmanager.h
@@ -5,10 +5,10 @@
 
 #include "../qmldesignerbase_global.h"
 
+#include <QObject>
 #include <QPoint>
-#include <QtQml/qqml.h>
+#include <QRect>
 
-QT_FORWARD_DECLARE_CLASS(QRect)
 QT_FORWARD_DECLARE_CLASS(QWindow)
 
 namespace QmlDesigner {