1 files changed, 2 insertions, 7 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp
index 24b8665013..b9505a6ed0 100644
--- a/src/widgets/kernel/qwidgetbackingstore.cpp
+++ b/src/widgets/kernel/qwidgetbackingstore.cpp
@@ -333,9 +333,6 @@ void QWidgetBackingStore::beginPaint(QRegion &toClean, QWidget *widget, QBacking
     Q_UNUSED(widget);
     Q_UNUSED(toCleanIsInTopLevelCoordinates);
 
-    // Always flush repainted areas.
-    dirtyOnScreen += toClean;
-
 #ifdef QT_NO_PAINT_DEBUG
     backingStore->beginPaint(toClean);
 #else
@@ -714,8 +711,7 @@ void QWidgetBackingStore::markDirtyOnScreen(const QRegion &region, QWidget *widg
 
     // Top-level.
     if (widget == tlw) {
-        if (!widget->testAttribute(Qt::WA_WState_InPaintEvent))
-            dirtyOnScreen += region;
+        dirtyOnScreen += region;
         return;
     }
 
@@ -723,8 +719,7 @@ void QWidgetBackingStore::markDirtyOnScreen(const QRegion &region, QWidget *widg
     if (!hasPlatformWindow(widget) && !widget->isWindow()) {
         QWidget *nativeParent = widget->nativeParentWidget();        // Alien widgets with the top-level as the native parent (common case).
         if (nativeParent == tlw) {
-            if (!widget->testAttribute(Qt::WA_WState_InPaintEvent))
-                dirtyOnScreen += region.translated(topLevelOffset);
+            dirtyOnScreen += region.translated(topLevelOffset);
             return;
         }