diff --git a/kstyle/config/oxygenstyleconfig.h b/kstyle/config/oxygenstyleconfig.h
index 894adf18..3ec89961 100644
--- a/kstyle/config/oxygenstyleconfig.h
+++ b/kstyle/config/oxygenstyleconfig.h
@@ -1,94 +1,93 @@
 #ifndef oxygenstyleconfig_h
 #define oxygenstyleconfig_h
 /*
 Copyright (c) 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 Copyright (C) 2003 Sandro Giessl <ceebx@users.sourceforge.net>
 
 based on the Keramik configuration dialog:
 Copyright (c) 2003 Maksim Orlovich <maksim.orlovich@kdemail.net>
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
 to deal in the Software without restriction, including without limitation
 the rights to use, copy, modify, merge, publish, distribute, sublicense,
 and/or sell copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
 
 */
 
 #include "ui_oxygenstyleconfig.h"
 
 namespace Oxygen
 {
-    class AnimationConfigWidget;
 
     class StyleConfig: public QWidget, Ui::OxygenStyleConfig
     {
 
         Q_OBJECT
 
         public:
 
         //* constructor
         explicit StyleConfig(QWidget*);
 
         //* destructor
         virtual ~StyleConfig( void )
         {}
 
         Q_SIGNALS:
 
         //* emmited whenever one option is changed.
         void changed(bool);
 
         public Q_SLOTS:
 
         //* load setup from config data
         void load( void );
 
         //* save current state
         void save( void );
 
         //* restore all default values
         void defaults( void );
 
         //Everything below this is internal.
 
         //* reset to saved configuration
         void reset( void );
 
         protected Q_SLOTS:
 
         //* update layout
         /** needed in expert mode to accommodate with animations config widget size changes */
         void updateLayout( void );
 
         //* update modified state when option is checked/unchecked
         void updateChanged( void );
 
         protected:
 
         //! event processing
         bool event( QEvent* ) ;
 
         // menu mode from ui
         int menuMode( void ) const;
 
         // expander size from ui
         int triangularExpanderSize( void ) const;
 
     };
 
 }
 #endif
diff --git a/kstyle/demo/oxygendemodialog.h b/kstyle/demo/oxygendemodialog.h
index 8d1f0f76..cb51d2e2 100644
--- a/kstyle/demo/oxygendemodialog.h
+++ b/kstyle/demo/oxygendemodialog.h
@@ -1,105 +1,98 @@
 #ifndef oxygendemodialog_h
 #define oxygendemodialog_h
 
 //////////////////////////////////////////////////////////////////////////////
 // oxygendemodialog.h
 // oxygen demo dialog
 // -------------------
 //
 // Copyright (c) 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to
 // deal in the Software without restriction, including without limitation the
 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 // sell copies of the Software, and to permit persons to whom the Software is
 // furnished to do so, subject to the following conditions:
 //
 // The above copyright notice and this permission notice shall be included in
 // all copies or substantial portions of the Software.
 //
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 // IN THE SOFTWARE.
 //////////////////////////////////////////////////////////////////////////////
 
 #include "oxygendemowidget.h"
 #include "ui_oxygendemodialog.h"
 
 #include <QList>
 #include <QWidget>
 #include <QCheckBox>
 
 namespace Oxygen
 {
 
-    class ButtonDemoWidget;
-    class FrameDemoWidget;
-    class InputDemoWidget;
-    class ListDemoWidget;
-    class MdiDemoWidget;
-    class SliderDemoWidget;
-    class TabDemoWidget;
     class DemoDialog: public QDialog, Ui::OxygenDemoDialog
     {
         Q_OBJECT
 
         public:
 
         //! constructor
         explicit DemoDialog( QWidget* parent = 0 );
 
         //! destructor
         virtual ~DemoDialog( void )
         {}
 
         Q_SIGNALS:
 
         //! emitted when dialog is closed
         void abortSimulations( void );
 
         protected Q_SLOTS:
 
         //! update window title when page is changed
         virtual void updateWindowTitle( KPageWidgetItem* );
 
         //! update page enability
         virtual void updateEnableState( KPageWidgetItem* );
 
         //! toggle enable state
         virtual void toggleEnable( bool );
 
         //! toggle RightToLeft
         virtual void toggleRightToLeft( bool );
 
         protected:
 
         //! close event
         void closeEvent( QCloseEvent* ) ;
 
         //! hide event
         void hideEvent( QHideEvent* ) ;
 
         private:
 
         //! set page icon
         void setPageIcon( KPageWidgetItem*, const QString& ) const;
 
         //! list of demo widget
         QList<DemoWidget*> _widgets;
 
         //! enable state checkbox
         QCheckBox* _enableCheckBox;
 
         //! reverse layout checkbox
         QCheckBox* _rightToLeftCheckBox;
 
     };
 
 }
 
 #endif