diff -r 41300fa6a67c -r 2f34d5167611 src/corelib/kernel/qobjectdefs.h
--- a/src/corelib/kernel/qobjectdefs.h	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/corelib/kernel/qobjectdefs.h	Fri Apr 16 15:50:13 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -334,6 +334,8 @@
     // internal index-based disconnect
     static bool disconnect(const QObject *sender, int signal_index,
                            const QObject *receiver, int method_index);
+    static bool disconnectOne(const QObject *sender, int signal_index,
+                              const QObject *receiver, int method_index);
     // internal slot-name based connect
     static void connectSlotsByName(QObject *o);