diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index f6234df..eb2a6b2 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -165,6 +165,7 @@ QObjectPrivate::QObjectPrivate(int version)
     pendTimer = false;                          // no timers yet
     blockSig = false;                           // not blocking signals
     wasDeleted = false;                         // double-delete catcher
+    isDeletingChildren = false;                 // set by deleteChildren()
     sendChildEvents = true;                     // if we should send ChildInsert and ChildRemove events to parent
     receiveChildEvents = true;
     postedEvents = 0;
@@ -1660,8 +1661,8 @@ void QObject::setParent(QObject *parent)

 void QObjectPrivate::deleteChildren()
 {
-    const bool reallyWasDeleted = wasDeleted;
-    wasDeleted = true;
+    const bool reallyIsDeletingChildren = isDeletingChildren;
+    isDeletingChildren = true;
     // delete children objects
     // don't use qDeleteAll as the destructor of the child might
     // delete siblings
@@ -1672,7 +1673,7 @@ void QObjectPrivate::deleteChildren()
     }
     children.clear();
     currentChildBeingDeleted = 0;
-    wasDeleted = reallyWasDeleted;
+    isDeletingChildren = reallyIsDeletingChildren;
 }

 void QObjectPrivate::setParent_helper(QObject *o)
@@ -1682,13 +1683,13 @@ void QObjectPrivate::setParent_helper(QObject *o)
         return;
     if (parent) {
         QObjectPrivate *parentD = parent->d_func();
-        if (parentD->wasDeleted && wasDeleted
+        if (parentD->isDeletingChildren && wasDeleted
             && parentD->currentChildBeingDeleted == q) {
             // don't do anything since QObjectPrivate::deleteChildren() already
             // cleared our entry in parentD->children.
         } else {
             const int index = parentD->children.indexOf(q);
-            if (parentD->wasDeleted) {
+            if (parentD->isDeletingChildren) {
                 parentD->children[index] = 0;
             } else {
                 parentD->children.removeAt(index);
@@ -1715,7 +1716,7 @@ void QObjectPrivate::setParent_helper(QObject *o)
             }
         }
     }
-    if (!wasDeleted && declarativeData)
+    if (!isDeletingChildren && declarativeData)
         QAbstractDeclarativeData::parentChanged(declarativeData, q, o);
 }

diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
index 8702d37..3729dc8 100644
--- a/src/corelib/kernel/qobject.h
+++ b/src/corelib/kernel/qobject.h
@@ -99,13 +99,14 @@ public:
     uint pendTimer : 1;
     uint blockSig : 1;
     uint wasDeleted : 1;
+    uint isDeletingChildren : 1;
     uint ownObjectName : 1;
     uint sendChildEvents : 1;
     uint receiveChildEvents : 1;
     uint inEventHandler : 1; //only used if QT_JAMBI_BUILD
     uint inThreadChangeEvent : 1;
     uint isWindow : 1; //for QWindow
-    uint unused : 22;
+    uint unused : 21;
     int postedEvents;
     QMetaObject *metaObject; // assert dynamic
 };