diff --git a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
index 7936eb78e4e..41888727c06 100644
--- a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
+++ b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
@@ -322,13 +322,13 @@ void tst_QComboBox::getSetCheck()
 
     // QAbstractItemDelegate * QComboBox::itemDelegate()
     // void QComboBox::setItemDelegate(QAbstractItemDelegate *)
-    MyAbstractItemDelegate *var10 = new MyAbstractItemDelegate;
-    obj1.setItemDelegate(var10);
-    QCOMPARE(obj1.itemDelegate(), var10);
+    auto var10 = std::make_unique<MyAbstractItemDelegate>();
+    obj1.setItemDelegate(var10.get());
+    QCOMPARE(obj1.itemDelegate(), var10.get());
     QTest::ignoreMessage(QtWarningMsg, "QComboBox::setItemDelegate: cannot set a 0 delegate");
     obj1.setItemDelegate((QAbstractItemDelegate *)0);
-    QCOMPARE(obj1.itemDelegate(), var10);
-    // delete var10; // No delete, since QComboBox takes ownership
+    QCOMPARE(obj1.itemDelegate(), var10.get());
+    var10.reset();
 
     // QAbstractItemModel * QComboBox::model()
     // void QComboBox::setModel(QAbstractItemModel *)