diff --git a/src/widgets/graphicsview/qgraphicsitem.h b/src/widgets/graphicsview/qgraphicsitem.h
index f82c600b3a3..8819813363a 100644
--- a/src/widgets/graphicsview/qgraphicsitem.h
+++ b/src/widgets/graphicsview/qgraphicsitem.h
@@ -969,15 +969,33 @@ private:
 template <class T> inline T qgraphicsitem_cast(QGraphicsItem *item)
 {
     typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Item;
-    return int(Item::Type) == int(QGraphicsItem::Type)
-        || (item && int(Item::Type) == item->type()) ? static_cast<T>(item) : nullptr;
+    constexpr int ItemType = int(Item::Type);
+    if constexpr (int(Item::Type) == int(QGraphicsItem::Type))
+        return static_cast<T>(item);
+    else
+        return (item && ItemType == item->type()) ? static_cast<T>(item) : nullptr;
 }
 
 template <class T> inline T qgraphicsitem_cast(const QGraphicsItem *item)
 {
     typedef typename std::remove_cv<typename std::remove_pointer<T>::type>::type Item;
-    return int(Item::Type) == int(QGraphicsItem::Type)
-        || (item && int(Item::Type) == item->type()) ? static_cast<T>(item) : nullptr;
+    constexpr int ItemType = int(Item::Type);
+    if constexpr (ItemType == int(QGraphicsItem::Type))
+        return static_cast<T>(item);
+    else
+        return (item && ItemType == item->type()) ? static_cast<T>(item) : nullptr;
+}
+
+template <>
+inline QGraphicsItem *qgraphicsitem_cast<QGraphicsItem *>(QGraphicsItem *item)
+{
+    return item;
+}
+
+template <>
+inline const QGraphicsItem *qgraphicsitem_cast<const QGraphicsItem *>(const QGraphicsItem *item)
+{
+    return item;
 }
 
 #ifndef QT_NO_DEBUG_STREAM