diff --git a/org.fortiss.tooling.graphicsGL/model/graphics3D.genmodel b/org.fortiss.tooling.graphicsGL/model/graphics3D.genmodel
index 1cb5e688f2f18cf9ff1ae557477fab9acc91626b..ec253227d259d7427575681116e29de2ec518851 100644
--- a/org.fortiss.tooling.graphicsGL/model/graphics3D.genmodel
+++ b/org.fortiss.tooling.graphicsGL/model/graphics3D.genmodel
@@ -98,12 +98,9 @@
         <genFeatures notify="false" createChild="false" propertySortChoices="true"
             ecoreFeature="ecore:EReference graphics3D.ecore#//scene/Light3D/attenuation"/>
         <genFeatures createChild="false" ecoreFeature="ecore:EAttribute graphics3D.ecore#//scene/Light3D/directional"/>
-        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getConstantAttenuation"
-            body="return Light3DStaticImpl.getConstantAttenuation(this);"/>
-        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getLinearAttenuation"
-            body="return Light3DStaticImpl.getLinearAttenuation(this);"/>
-        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getQuadraticAttenuation"
-            body="return Light3DStaticImpl.getQuadraticAttenuation(this);"/>
+        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getConstantAttenuation"/>
+        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getLinearAttenuation"/>
+        <genOperations ecoreOperation="graphics3D.ecore#//scene/Light3D/getQuadraticAttenuation"/>
       </genClasses>
       <genClasses ecoreClass="graphics3D.ecore#//scene/Scene3D">
         <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference graphics3D.ecore#//scene/Scene3D/cameras"/>