diff --git a/src/widgets/graphicsview/qgraphicstransform.cpp b/src/widgets/graphicsview/qgraphicstransform.cpp
index 67564b5a8b7..fe963fbf3cb 100644
--- a/src/widgets/graphicsview/qgraphicstransform.cpp
+++ b/src/widgets/graphicsview/qgraphicstransform.cpp
@@ -89,6 +89,11 @@
 
 #ifndef QT_NO_GRAPHICSVIEW
 QT_BEGIN_NAMESPACE
+
+QGraphicsTransformPrivate::~QGraphicsTransformPrivate()
+{
+}
+
 void QGraphicsTransformPrivate::setItem(QGraphicsItem *i)
 {
     if (item == i)
diff --git a/src/widgets/graphicsview/qgraphicstransform_p.h b/src/widgets/graphicsview/qgraphicstransform_p.h
index dde085935fd..c81a95fd3d6 100644
--- a/src/widgets/graphicsview/qgraphicstransform_p.h
+++ b/src/widgets/graphicsview/qgraphicstransform_p.h
@@ -51,12 +51,14 @@ QT_BEGIN_NAMESPACE
 
 class QGraphicsItem;
 
-class QGraphicsTransformPrivate : public QObjectPrivate {
+// ### Qt 6: unexport again, if QtQuick1's QDeclarativeTranslatePrivate is gone by then
+class Q_WIDGETS_EXPORT QGraphicsTransformPrivate : public QObjectPrivate {
 public:
     Q_DECLARE_PUBLIC(QGraphicsTransform)
 
     QGraphicsTransformPrivate()
         : QObjectPrivate(), item(0) {}
+    ~QGraphicsTransformPrivate();
 
     QGraphicsItem *item;