diff --git a/src/meshlabplugins/filter_meshing/quadric_simp.cpp b/src/meshlabplugins/filter_meshing/quadric_simp.cpp
index 2bd0b6f0e..0216e265c 100644
--- a/src/meshlabplugins/filter_meshing/quadric_simp.cpp
+++ b/src/meshlabplugins/filter_meshing/quadric_simp.cpp
@@ -19,45 +19,7 @@
  * for more details.                                                         *
  *                                                                           *
  ****************************************************************************/
-/****************************************************************************
-  History
-$Log$
-Revision 1.8  2007/03/27 12:20:18  cignoni
-Revamped logging iterface, changed function names in automatic parameters, better selection handling
-
-Revision 1.7  2007/03/20 16:23:10  cignoni
-Big small change in accessing mesh interface. First step toward layers
-
-Revision 1.6  2007/03/03 02:03:51  cignoni
-Removed bug on simplification of selected faces
-
-Revision 1.5  2007/02/25 21:31:49  cignoni
-new parameters for quadric simplification
-
-Revision 1.4  2007/01/19 09:12:39  cignoni
-Added parameters for quality,selection and boundary preservation
-
-Revision 1.3  2006/10/19 07:34:24  cignoni
-added callback
-
-Revision 1.2  2006/10/15 17:08:52  cignoni
-typenames and qualifiers for gcc compliance
-
-Revision 1.1  2006/10/10 21:13:08  cignoni
-Added remove non manifold and quadric simplification filter.
-
-****************************************************************************/
-#include <QtGui>
-
-#include <math.h>
-#include <stdlib.h>
-
-#include <limits>
-
 #include "meshfilter.h"
-#include <vcg/complex/trimesh/update/position.h>
-#include <vcg/complex/trimesh/update/bounding.h>
-#include <vcg/complex/trimesh/update/selection.h>
 #include <vcg/complex/local_optimization.h>
 #include <vcg/complex/local_optimization/tri_edge_collapse_quadric.h>
 #include <vcg/container/simple_temporary_data.h>
diff --git a/src/meshlabplugins/filter_meshing/quadric_tex_simp.h b/src/meshlabplugins/filter_meshing/quadric_tex_simp.h
index ba3031a91..185297b4b 100644
--- a/src/meshlabplugins/filter_meshing/quadric_tex_simp.h
+++ b/src/meshlabplugins/filter_meshing/quadric_tex_simp.h
@@ -23,9 +23,6 @@
 #ifndef __QUADRICTEXSIMP_H
 #define __QUADRICTEXSIMP_H
 
-#include <vcg/complex/trimesh/update/position.h>
-#include <vcg/complex/trimesh/update/bounding.h>
-#include <vcg/complex/trimesh/update/selection.h>
 #include <vcg/complex/local_optimization.h>
 #include <vcg/complex/local_optimization/tri_edge_collapse_quadric.h>
 #include <vcg/container/simple_temporary_data.h>
@@ -760,4 +757,4 @@ class MyTriEdgeCollapseQTex: public TriEdgeCollapseQuadricTex< CMeshO, MyTriEdge
 } // end namespace tri
 } // end namespace vcg
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/meshlabplugins/meshdecorate/meshdecorate.cpp b/src/meshlabplugins/meshdecorate/meshdecorate.cpp
index 338ab7205..90c549fe6 100644
--- a/src/meshlabplugins/meshdecorate/meshdecorate.cpp
+++ b/src/meshlabplugins/meshdecorate/meshdecorate.cpp
@@ -21,11 +21,10 @@
 *                                                                           *
 ****************************************************************************/
 
-#include <math.h>
 #include "meshdecorate.h"
-#include <QGLWidget>
 #include <wrap/gl/addons.h>
 #include <meshlab/glarea.h>
+
 using namespace vcg;
 using namespace std;
 
diff --git a/src/meshlabplugins/meshdecorate/meshdecorate.h b/src/meshlabplugins/meshdecorate/meshdecorate.h
index 877357132..12547a0de 100644
--- a/src/meshlabplugins/meshdecorate/meshdecorate.h
+++ b/src/meshlabplugins/meshdecorate/meshdecorate.h
@@ -24,8 +24,6 @@
 #ifndef EXTRADECORATEPLUGIN_H
 #define EXTRADECORATEPLUGIN_H
 
-#include <QObject>
-
 #include <common/interfaces.h>
 #include <wrap/gui/coordinateframe.h>