diff --git a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/design/editparts/XSDSchemaEditPart.java b/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/design/editparts/XSDSchemaEditPart.java
index 31fe30c..62cd8cd 100644
--- a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/design/editparts/XSDSchemaEditPart.java
+++ b/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/design/editparts/XSDSchemaEditPart.java
@@ -90,8 +90,9 @@
   {
     XSDSchemaAdapter schemaAdapter = (XSDSchemaAdapter) getModel();
     List list = new ArrayList();
-    
-    schemaAdapter.updateCategories();
+
+// Bug 103870: undo blanks out schema view    
+//    schemaAdapter.updateCategories();
 
     List templist = new ArrayList();
     templist.add(schemaAdapter.getCategory(CategoryAdapter.DIRECTIVES));