diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 994c631d76c..cc5f442d947 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -925,15 +925,11 @@ std::shared_ptr<X> qobject_pointer_cast(std::shared_ptr<T> &&src)
     using element_type = typename std::shared_ptr<X>::element_type;
     auto castResult = qobject_cast<element_type *>(src.get());
     if (castResult) {
-        auto result = std::shared_ptr<X>(std::move(src), castResult);
-#if __cplusplus <= 201703L
         // C++2a's move aliasing constructor will leave src empty.
         // Before C++2a we don't really know if the compiler has support for it.
         // The move aliasing constructor is the resolution for LWG2996,
         // which does not impose a feature-testing macro. So: clear src.
-        src.reset();
-#endif
-        return result;
+        return std::shared_ptr<X>(std::exchange(src, nullptr), castResult);
     }
     return std::shared_ptr<X>();
 }