diff --git a/widgets/coreWidget/CoreWidget.cc b/widgets/coreWidget/CoreWidget.cc
index 0dfb5f2c54165950f04fe4eb3ab533c39d72826d..38322cb73ee45e72655b146cc9f9da3a008d32e8 100644
--- a/widgets/coreWidget/CoreWidget.cc
+++ b/widgets/coreWidget/CoreWidget.cc
@@ -97,7 +97,6 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
   fileMenuEnd_(0),
   stereoButton_(0),
   moveButton_(0),
-  lightButton_(0),
   pickButton_(0),
   questionButton_(0),
   globalDrawMenu_(0),
@@ -357,20 +356,7 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
   viewerToolbar_->addWidget( moveButton_ )->setText(tr("Move"));
   moveButton_->setDown(true);
 
-
-  lightButton_ = new QToolButton( viewerToolbar_ );
-  lightButton_->setIcon( QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"light-mode.png") );
-  lightButton_->setMinimumSize( 16, 16 );
-  lightButton_->setMaximumSize( 32, 32 );
-  lightButton_->setToolTip(tr("Switch to <b>light</b> mode."));
-  lightButton_->setWhatsThis(tr(
-                  "Switch to <b>light</b> mode.<br>"
-                  "Rotate lights using left mouse button."));
-
-  connect( lightButton_,SIGNAL( clicked() ), this, SLOT( setLightMode() ) );
-  viewerToolbar_->addWidget( lightButton_)->setText(tr("Light"));
-
-
+  
   pickButton_ = new QToolButton( viewerToolbar_ );
   pickButton_->setIcon( QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"pick.png") );
   pickButton_->setMinimumSize( 16, 16 );
diff --git a/widgets/coreWidget/CoreWidget.hh b/widgets/coreWidget/CoreWidget.hh
index c065a83d6d77a7864cdd6105bf8196fb3259f843..f0320778b3230bd379dff7a714d0102d44d50f9a 100644
--- a/widgets/coreWidget/CoreWidget.hh
+++ b/widgets/coreWidget/CoreWidget.hh
@@ -591,7 +591,6 @@ public:
 
     QToolButton* stereoButton_;
     QToolButton* moveButton_;
-    QToolButton* lightButton_;
     QToolButton* pickButton_;
     QToolButton* questionButton_;
 
@@ -1060,7 +1059,6 @@ public:
     */
     void setExamineMode() { setActionMode(Viewer::ExamineMode  ); };
     void setPickingMode() { setActionMode(Viewer::PickingMode  ); };
-    void setLightMode()   { setActionMode(Viewer::LightMode    ); };
     void setQuestionMode(){ setActionMode(Viewer::QuestionMode ); };
 
     void setActionMode(const Viewer::ActionMode  _am);
diff --git a/widgets/coreWidget/picking.cc b/widgets/coreWidget/picking.cc
index 6d9e4a5ccba4a69bb0bfd4d243f64119de600d19..9a558cb5ebd392db2ff52eaed87e2f878e0835fb 100644
--- a/widgets/coreWidget/picking.cc
+++ b/widgets/coreWidget/picking.cc
@@ -69,7 +69,6 @@ void CoreWidget::setActionMode(const Viewer::ActionMode _am){
     // update Buttons
 
     moveButton_->setDown(false);
-    lightButton_->setDown(false);
     pickButton_->setDown(false);
     questionButton_->setDown(false);
 
@@ -79,7 +78,6 @@ void CoreWidget::setActionMode(const Viewer::ActionMode _am){
         moveButton_->setDown(true);
         break;
       case Viewer::LightMode:
-        lightButton_->setDown(true);
         break;
       case Viewer::PickingMode:
         pickButton_->setDown(true);