diff --git a/src/Mod/Fem/Gui/PreCompiled.h b/src/Mod/Fem/Gui/PreCompiled.h
index c4ce783c2e..1b68eb50dc 100644
--- a/src/Mod/Fem/Gui/PreCompiled.h
+++ b/src/Mod/Fem/Gui/PreCompiled.h
@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #ifndef FEMGUI_PRECOMPILED_H
 #define FEMGUI_PRECOMPILED_H
 
@@ -34,23 +33,22 @@
 #ifdef _PreComp_
 
 // standard
-#include <iostream>
 #include <cassert>
 #include <cmath>
-
+#include <iostream>
 #include <math.h>
 
 // STL
-#include <vector>
-#include <map>
-#include <string>
-#include <list>
-#include <set>
 #include <algorithm>
-#include <stack>
-#include <queue>
 #include <bitset>
+#include <list>
+#include <map>
+#include <queue>
+#include <set>
 #include <sstream>
+#include <stack>
+#include <string>
+#include <vector>
 
 // boost
 #include <boost/bind/bind.hpp>
@@ -63,112 +61,96 @@
 #endif
 
 // OCC
-#include <Standard_math.hxx>
-#include <Precision.hxx>
-#include <TopoDS.hxx>
 #include <BRepAdaptor_Surface.hxx>
-#include <Geom_Plane.hxx>
-#include <gp_Pln.hxx>
-#include <gp_Ax1.hxx>
-#include <BRepAdaptor_Curve.hxx>
-#include <Geom_Line.hxx>
-#include <gp_Lin.hxx>
-#include <Standard_PrimitiveTypes.hxx>
+#include <Precision.hxx>
+#include <Standard_math.hxx>
+#include <TopoDS.hxx>
 #include <TopoDS_Shape.hxx>
 
-// Qt Toolkit
-#ifndef __QtAll__
-# include <Gui/QtAll.h>
-#endif
-
 #include <qobject.h>
-#include <QTextCharFormat>
-#include <QFileInfo>
+#include <QAction>
 #include <QApplication>
+#include <QDockWidget>
+#include <QFile>
+#include <QFileInfo>
+#include <QKeyEvent>
+#include <QMenu>
 #include <QMessageBox>
 #include <QMetaMethod>
-#include <QAction>
-#include <QString>
-#include <QSlider>
-#include <QKeyEvent>
-#include <QTextStream>
-#include <QString>
-#include <QSlider>
 #include <QPushButton>
-#include <QMenu>
-#include <QDockWidget>
+#include <QSlider>
+#include <QString>
 #include <QStackedWidget>
-#include <QFile>
+#include <QTextCharFormat>
+#include <QTextStream>
+#include <QThread>
+#include <QToolTip>
 
 // inventor
-#include <Inventor/nodes/SoEventCallback.h>
-#include <Inventor/nodes/SoCamera.h>
-#include <Inventor/events/SoMouseButtonEvent.h>
-#include <Inventor/SoPickedPoint.h>
-#include <Inventor/nodes/SoAnnotation.h>
-#include <Inventor/nodes/SoBaseColor.h>
-#include <Inventor/nodes/SoFontStyle.h>
-#include <Inventor/nodes/SoPickStyle.h>
-#include <Inventor/nodes/SoText2.h>
-#include <Inventor/nodes/SoTranslation.h>
-#include <Inventor/nodes/SoCoordinate3.h>
-#include <Inventor/nodes/SoIndexedLineSet.h>
-#include <Inventor/nodes/SoMarkerSet.h>
-#include <Inventor/nodes/SoDrawStyle.h>
-#include <Inventor/nodes/SoSeparator.h>
-#include <Inventor/nodes/SoRotation.h>
-#include <Inventor/nodes/SoMaterial.h>
-#include <Inventor/nodes/SoCylinder.h>
-#include <Inventor/nodes/SoCone.h>
-#include <Inventor/nodes/SoCube.h>
-#include <Inventor/nodes/SoShapeHints.h>
-#include <Inventor/nodes/SoComplexity.h>
-#include <Inventor/nodes/SoMultipleCopy.h>
-#include <Inventor/nodes/SoText3.h>
-#include <Inventor/nodes/SoFont.h>
-#include <Inventor/nodes/SoMaterialBinding.h>
-#include <Inventor/nodes/SoScale.h>
-#include <Inventor/nodes/SoSphere.h>
+#include <Inventor/SbVec3f.h>
 #include <Inventor/SoDB.h>
 #include <Inventor/SoInput.h>
-#include <Inventor/SbVec3f.h>
+#include <Inventor/SoPickedPoint.h>
 #include <Inventor/actions/SoSearchAction.h>
-#include <Inventor/nodes/SoLightModel.h>
-#include <Inventor/nodes/SoTransform.h>
-#include <Inventor/nodes/SoIndexedFaceSet.h>
-#include <Inventor/nodes/SoPointSet.h>
-#include <Inventor/nodes/SoPolygonOffset.h>
 #include <Inventor/details/SoFaceDetail.h>
 #include <Inventor/details/SoLineDetail.h>
 #include <Inventor/details/SoPointDetail.h>
-
-#include <Inventor/nodes/SoSurroundScale.h>
-#include <Inventor/nodes/SoLineSet.h>
-#include <Inventor/nodes/SoMatrixTransform.h>
-#include <Inventor/manips/SoTransformManip.h>
-#include <Inventor/manips/SoCenterballManip.h>
-#include <Inventor/manips/SoTransformerManip.h>
-#include <Inventor/manips/SoTransformBoxManip.h>
-#include <Inventor/manips/SoHandleBoxManip.h>
-#include <Inventor/manips/SoJackManip.h>
-#include <Inventor/manips/SoTabBoxManip.h>
-#include <Inventor/engines/SoDecomposeMatrix.h>
 #include <Inventor/draggers/SoCenterballDragger.h>
 #include <Inventor/draggers/SoTransformerDragger.h>
 #include <Inventor/draggers/SoTransformBoxDragger.h>
 #include <Inventor/draggers/SoHandleBoxDragger.h>
 #include <Inventor/draggers/SoJackDragger.h>
-
+#include <Inventor/engines/SoDecomposeMatrix.h>
+#include <Inventor/events/SoMouseButtonEvent.h>
+#include <Inventor/manips/SoCenterballManip.h>
+#include <Inventor/manips/SoHandleBoxManip.h>
+#include <Inventor/manips/SoJackManip.h>
+#include <Inventor/manips/SoTabBoxManip.h>
+#include <Inventor/manips/SoTransformBoxManip.h>
+#include <Inventor/manips/SoTransformerManip.h>
+#include <Inventor/manips/SoTransformManip.h>
+#include <Inventor/nodes/SoAnnotation.h>
+#include <Inventor/nodes/SoBaseColor.h>
+#include <Inventor/nodes/SoCamera.h>
+#include <Inventor/nodes/SoComplexity.h>
+#include <Inventor/nodes/SoCone.h>
+#include <Inventor/nodes/SoCoordinate3.h>
+#include <Inventor/nodes/SoCube.h>
+#include <Inventor/nodes/SoCylinder.h>
+#include <Inventor/nodes/SoDrawStyle.h>
+#include <Inventor/nodes/SoEventCallback.h>
+#include <Inventor/nodes/SoFont.h>
+#include <Inventor/nodes/SoFontStyle.h>
+#include <Inventor/nodes/SoIndexedFaceSet.h>
+#include <Inventor/nodes/SoIndexedLineSet.h>
 #include <Inventor/nodes/SoIndexedPointSet.h>
 #include <Inventor/nodes/SoIndexedTriangleStripSet.h>
-#include <Inventor/nodes/SoShapeHints.h>
+#include <Inventor/nodes/SoLightModel.h>
+#include <Inventor/nodes/SoLineSet.h>
+#include <Inventor/nodes/SoMarkerSet.h>
+#include <Inventor/nodes/SoMaterial.h>
+#include <Inventor/nodes/SoMaterialBinding.h>
+#include <Inventor/nodes/SoMatrixTransform.h>
+#include <Inventor/nodes/SoMultipleCopy.h>
 #include <Inventor/nodes/SoNormal.h>
-
+#include <Inventor/nodes/SoPickStyle.h>
+#include <Inventor/nodes/SoPointSet.h>
+#include <Inventor/nodes/SoPolygonOffset.h>
+#include <Inventor/nodes/SoRotation.h>
+#include <Inventor/nodes/SoScale.h>
+#include <Inventor/nodes/SoSeparator.h>
+#include <Inventor/nodes/SoShapeHints.h>
+#include <Inventor/nodes/SoSphere.h>
+#include <Inventor/nodes/SoSurroundScale.h>
+#include <Inventor/nodes/SoText2.h>
+#include <Inventor/nodes/SoText3.h>
+#include <Inventor/nodes/SoTransform.h>
+#include <Inventor/nodes/SoTranslation.h>
 
 // Salomesh
+#include <SMDSAbs_ElementType.hxx>
 #include <SMESH_Mesh.hxx>
 #include <SMESHDS_Mesh.hxx>
-#include <SMDSAbs_ElementType.hxx>
 
 // VTK
 #include <vtkCellArray.h>