diff --git a/org.eclipse.emf.ecoretools.design.properties/plugin.xml b/org.eclipse.emf.ecoretools.design.properties/plugin.xml
index 01f2a10..cbc83dd 100644
--- a/org.eclipse.emf.ecoretools.design.properties/plugin.xml
+++ b/org.eclipse.emf.ecoretools.design.properties/plugin.xml
@@ -196,7 +196,6 @@
    
    
    <extension point="org.eclipse.ui.views.properties.tabbed.propertyContributor" id="prop-contrib">
-      <?gmfgen generated="false"?>
       <propertyContributor
             contributorId="org.eclipse.sirius.diagram.ui"
             labelProvider="org.eclipse.sirius.diagram.ui.internal.sheet.SiriusSheetLabelProvider" 
diff --git a/org.eclipse.emf.ecoretools.design.ui/plugin.xml b/org.eclipse.emf.ecoretools.design.ui/plugin.xml
index a5fecf6..2bfa27d 100644
--- a/org.eclipse.emf.ecoretools.design.ui/plugin.xml
+++ b/org.eclipse.emf.ecoretools.design.ui/plugin.xml
@@ -87,7 +87,6 @@
   </extension>
     
      <extension point="org.eclipse.ui.popupMenus" id="init-diagram-action">
-      <?gmfgen generated="true"?>
       <objectContribution
             id="org.eclipse.emf.ecoretools.design.action.InitDiagram"
             nameFilter="*.ecore"