diff --git a/src/Gui/InventorAll.h b/src/Gui/InventorAll.h
index 7a98f2444f..997345c4f7 100644
--- a/src/Gui/InventorAll.h
+++ b/src/Gui/InventorAll.h
@@ -81,6 +81,7 @@
 #include <Inventor/draggers/SoTrackballDragger.h>
 #include <Inventor/draggers/SoTransformerDragger.h>
 #include <Inventor/elements/SoCacheElement.h>
+#include <Inventor/elements/SoComplexityElement.h>
 #include <Inventor/elements/SoComplexityTypeElement.h>
 #include <Inventor/elements/SoCoordinateElement.h>
 #include <Inventor/elements/SoCreaseAngleElement.h>
diff --git a/src/Gui/QtAll.h b/src/Gui/QtAll.h
index 2e19941d69..1d847e33aa 100644
--- a/src/Gui/QtAll.h
+++ b/src/Gui/QtAll.h
@@ -36,6 +36,7 @@
 #include <QMutex>
 #include <qmath.h>
 #include <qnamespace.h>
+#include <QObject>
 #include <QPointer>
 #include <QProcess>
 #include <qrect.h>
@@ -100,6 +101,8 @@
 #include <QListWidget>
 #include <QLocale>
 #include <QMainWindow>
+#include <QMdiArea>
+#include <QMdiSubWindow>
 #include <qmenubar.h>
 #include <qmessagebox.h>
 #include <QMessageLogContext>
@@ -153,10 +156,6 @@
 #include <QWindow>
 #include <QWhatsThis>
 #include <QWhatsThisClickedEvent>
-#include <qwidget.h>
-#include <qobject.h>
-#include <QMdiArea>
-#include <QMdiSubWindow>
 // QtNetwork
 #include <QNetworkAccessManager>
 #include <QTcpServer>
@@ -168,6 +167,7 @@
 #include <QGraphicsScene>
 #include <QGraphicsView>
 #include <QStackedWidget>
+#include <QWidget>
 // QtXML
 # include <QDomDocument>
 # include <QDomElement>