diff --git a/src/dbus/qdbusconnection_p.h b/src/dbus/qdbusconnection_p.h
index 133b745ff..3be1c8080 100644
--- a/src/dbus/qdbusconnection_p.h
+++ b/src/dbus/qdbusconnection_p.h
@@ -204,7 +204,7 @@ private:
     bool activateCall(QObject *object, int flags, const QDBusMessage &msg);
 
     void sendError(const QDBusMessage &msg, QDBusError::ErrorType code);
-    void deliverCall(QObject *object, int flags, const QDBusMessage &msg,
+    void deliverCall(QObject *object, const QDBusMessage &msg,
                      const QList<int> &metaTypes, int slotIdx);
 
     bool isServiceRegisteredByThread(const QString &serviceName);
diff --git a/src/dbus/qdbusintegrator.cpp b/src/dbus/qdbusintegrator.cpp
index ca330d244..6720c5db5 100644
--- a/src/dbus/qdbusintegrator.cpp
+++ b/src/dbus/qdbusintegrator.cpp
@@ -743,7 +743,7 @@ void QDBusConnectionPrivate::activateSignal(const QDBusConnectionPrivate::Signal
     if (call == DIRECT_DELIVERY) {
         // short-circuit delivery
         Q_ASSERT(this == hook.obj);
-        deliverCall(this, 0, msg, hook.params, hook.midx);
+        deliverCall(this, msg, hook.params, hook.midx);
         return;
     }
     if (call)
@@ -826,21 +826,21 @@ bool QDBusConnectionPrivate::activateCall(QObject* object, int flags, const QDBu
         object->setProperty(cachePropertyName, QVariant::fromValue(slotCache));
 
         // found the slot to be called
-        deliverCall(object, flags, msg, slotData.metaTypes, slotData.slotIdx);
+        deliverCall(object, msg, slotData.metaTypes, slotData.slotIdx);
         return true;
     } else if (cacheIt->slotIdx == -1) {
         // negative cache
         return false;
     } else {
         // use the cache
-        deliverCall(object, flags, msg, cacheIt->metaTypes, cacheIt->slotIdx);
+        deliverCall(object, msg, cacheIt->metaTypes, cacheIt->slotIdx);
         return true;
     }
 #endif // QT_NO_PROPERTIES
     return false;
 }
 
-void QDBusConnectionPrivate::deliverCall(QObject *object, int /*flags*/, const QDBusMessage &msg,
+void QDBusConnectionPrivate::deliverCall(QObject *object, const QDBusMessage &msg,
                                          const QList<int> &metaTypes, int slotIdx)
 {
     Q_ASSERT_X(!object || QThread::currentThread() == object->thread(),
diff --git a/src/dbus/qdbusintegrator_p.h b/src/dbus/qdbusintegrator_p.h
index 81f2361b9..06da2f3d9 100644
--- a/src/dbus/qdbusintegrator_p.h
+++ b/src/dbus/qdbusintegrator_p.h
@@ -72,20 +72,19 @@ class QDBusCallDeliveryEvent: public QMetaCallEvent
 {
 public:
     QDBusCallDeliveryEvent(const QDBusConnection &c, int id, QObject *sender,
-                           const QDBusMessage &msg, const QList<int> &types, int f = 0)
-        : QMetaCallEvent(0, id, 0, sender, -1), connection(c), message(msg), metaTypes(types), flags(f)
+                           const QDBusMessage &msg, const QList<int> &types)
+        : QMetaCallEvent(0, id, 0, sender, -1), connection(c), message(msg), metaTypes(types)
         { }
 
     void placeMetaCall(QObject *object)
     {
-        QDBusConnectionPrivate::d(connection)->deliverCall(object, flags, message, metaTypes, id());
+        QDBusConnectionPrivate::d(connection)->deliverCall(object, message, metaTypes, id());
     }
 
 private:
     QDBusConnection connection; // just for refcounting
     QDBusMessage message;
     QList<int> metaTypes;
-    int flags;
 };
 
 class QDBusActivateObjectEvent: public QMetaCallEvent