diff --git a/src/corelib/tools/qduplicatetracker_p.h b/src/corelib/tools/qduplicatetracker_p.h
index e5bb11793a..817d259d23 100644
--- a/src/corelib/tools/qduplicatetracker_p.h
+++ b/src/corelib/tools/qduplicatetracker_p.h
@@ -101,18 +101,11 @@ public:
     }
 
     template <typename C>
-    void appendTo(C &c) const &
+    void appendTo(C &c) const
     {
         for (const auto &e : set)
             c.push_back(e);
     }
-
-    template <typename C>
-    void appendTo(C &c) &&
-    {
-        for (auto &e : set)
-            c.push_back(std::move(e));
-    }
 };
 
 QT_END_NAMESPACE