diff --git a/src/widgets/widgets/qmainwindowlayout_p.h b/src/widgets/widgets/qmainwindowlayout_p.h
index 394a052a091..9196e8b269d 100644
--- a/src/widgets/widgets/qmainwindowlayout_p.h
+++ b/src/widgets/widgets/qmainwindowlayout_p.h
@@ -43,7 +43,7 @@ QT_REQUIRE_CONFIG(mainwindow);
 
 QT_BEGIN_NAMESPACE
 
-Q_DECLARE_LOGGING_CATEGORY(lcQpaDockWidgets);
+Q_DECLARE_EXPORTED_LOGGING_CATEGORY(lcQpaDockWidgets, Q_WIDGETS_EXPORT);
 
 class QToolBar;
 class QRubberBand;
diff --git a/tests/auto/widgets/widgets/qdockwidget/tst_qdockwidget.cpp b/tests/auto/widgets/widgets/qdockwidget/tst_qdockwidget.cpp
index 2229f5da556..6b1abac228e 100644
--- a/tests/auto/widgets/widgets/qdockwidget/tst_qdockwidget.cpp
+++ b/tests/auto/widgets/widgets/qdockwidget/tst_qdockwidget.cpp
@@ -16,12 +16,6 @@
 #include <QtGui/QPainter>
 #include <QLabel>
 
-#ifdef QT_BUILD_INTERNAL
-QT_BEGIN_NAMESPACE
-Q_LOGGING_CATEGORY(lcQpaDockWidgets, "qt.widgets.dockwidgets");
-QT_END_NAMESPACE
-#endif
-
 bool hasFeature(QDockWidget *dockwidget, QDockWidget::DockWidgetFeature feature)
 { return (dockwidget->features() & feature) == feature; }