diff --git a/src/quick/items/qquickitem.cpp b/src/quick/items/qquickitem.cpp
index 022aaa7e3b9bdcc404e185530779addf8a79d2d1..0b3d91ffe5e967090409166fbf051ea0dee55c70 100644
--- a/src/quick/items/qquickitem.cpp
+++ b/src/quick/items/qquickitem.cpp
@@ -1534,6 +1534,11 @@ void QQuickItemPrivate::setAccessibleFlagAndListener()
     }
 }
 
+/*!
+Clears all sub focus items from \a scope.
+If \a focus is true, sets the scope's subFocusItem
+to be this item.
+*/
 void QQuickItemPrivate::updateSubFocusItem(QQuickItem *scope, bool focus)
 {
     Q_Q(QQuickItem);
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index 53b731b3f137726d1112c5076dbddba3c11dfa59..48e2aceebe873432e9380d73a053717c029a7edd 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -608,6 +608,11 @@ void QQuickWindowPrivate::translateTouchEvent(QTouchEvent *touchEvent)
     touchEvent->setTouchPoints(touchPoints);
 }
 
+/*!
+Set the focus inside \a scope to be \a item.
+If the scope contains the active focus item, it will be changed to \a item.
+Calls notifyFocusChangesRecur for all changed items.
+*/
 void QQuickWindowPrivate::setFocusInScope(QQuickItem *scope, QQuickItem *item, Qt::FocusReason reason, FocusOptions options)
 {
     Q_Q(QQuickWindow);
@@ -627,13 +632,13 @@ void QQuickWindowPrivate::setFocusInScope(QQuickItem *scope, QQuickItem *item, Q
     QQuickItemPrivate *scopePrivate = scope ? QQuickItemPrivate::get(scope) : 0;
     QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item);
 
-    QQuickItem *oldActiveFocusItem = 0;
     QQuickItem *newActiveFocusItem = 0;
 
     QVarLengthArray<QQuickItem *, 20> changed;
 
     // Does this change the active focus?
     if (item == contentItem || (scopePrivate->activeFocus && item->isEnabled())) {
+        QQuickItem *oldActiveFocusItem = 0;
         oldActiveFocusItem = activeFocusItem;
         newActiveFocusItem = item;
         while (newActiveFocusItem->isFocusScope()