diff --git a/src/libs/utils/function.cpp b/src/libs/utils/function.cpp
index 45f02f776df..68370976d87 100644
--- a/src/libs/utils/function.cpp
+++ b/src/libs/utils/function.cpp
@@ -41,7 +41,7 @@ void functionUser(Utils::function<int()> generator, Utils::function<void(int)> c
 
 struct GenFunctor
 {
-    int operator()() const { return 29; }
+    int operator()() { return 29; }
 };
 
 struct ConsumerFunctor
@@ -49,13 +49,6 @@ struct ConsumerFunctor
     void operator()(int) {}
 };
 
-struct ConsumerFunctor2
-{
-    ConsumerFunctor2() : i(0) { }
-    int i;
-    void operator()(int j) { i = j; }
-};
-
 int generatorF()
 {
     return 42;
@@ -71,9 +64,6 @@ void test()
 {
     functionUser(GenFunctor(), ConsumerFunctor());
     functionUser(&generatorF, &consumerF);
-    ConsumerFunctor2 f2;
-    GenFunctor g2;
-    functionUser(Utils::cref(g2), Utils::ref(f2));
 }
 
 } // end namespace
diff --git a/src/libs/utils/function.h b/src/libs/utils/function.h
index 52938f385e4..d6dbc2f9999 100644
--- a/src/libs/utils/function.h
+++ b/src/libs/utils/function.h
@@ -39,9 +39,9 @@
 #  ifdef __GNUC__
 #    include <tr1/functional>
 #  endif
-namespace Utils { using std::tr1::function; using std::tr1::ref; using std::tr1::cref; }
+namespace Utils { using std::tr1::function; }
 #else
-namespace Utils { using std::function; using std::ref; using std::cref; }
+namespace Utils { using std::function; }
 #endif
 
 #endif // QTC_FUNCTION_H