diff --git a/src/testlib/qtestcase.h b/src/testlib/qtestcase.h
index 7eea2b7b324..05ab56231d6 100644
--- a/src/testlib/qtestcase.h
+++ b/src/testlib/qtestcase.h
@@ -352,9 +352,6 @@ namespace QTest
         return Internal::toString(t);
     }
 
-    template <typename T1, typename T2>
-    inline char *toString(const QPair<T1, T2> &pair);
-
     template <typename T1, typename T2>
     inline char *toString(const std::pair<T1, T2> &pair);
 
diff --git a/src/testlib/qtestcase.qdoc b/src/testlib/qtestcase.qdoc
index 5776177cf6b..baae09ee93f 100644
--- a/src/testlib/qtestcase.qdoc
+++ b/src/testlib/qtestcase.qdoc
@@ -1363,13 +1363,6 @@
     moving the mouse pointer.
 */
 
-/*!
-    \fn template <typename T1, typename T2> char *QTest::toString(const QPair<T1, T2> &pair)
-    \overload
-    \since 5.11
-    Returns a textual representation of the \a pair.
-*/
-
 /*!
     \fn template <typename T1, typename T2> char *QTest::toString(const std::pair<T1, T2> &pair)
     \overload