=== modified file 'dhis-2/dhis-support/dhis-support-commons/src/main/java/org/hisp/dhis/commons/collection/ListUtils.java'
--- dhis-2/dhis-support/dhis-support-commons/src/main/java/org/hisp/dhis/commons/collection/ListUtils.java	2015-06-17 14:52:34 +0000
+++ dhis-2/dhis-support/dhis-support-commons/src/main/java/org/hisp/dhis/commons/collection/ListUtils.java	2015-06-18 07:47:06 +0000
@@ -88,24 +88,6 @@
     }
     
     /**
-     * Retains only elements in the give list that are part of the given retain
-     * list.
-     * 
-     * @param list the target list.
-     * @param retain the elements to retain in the target list.
-     */
-    public static <T> List<T> retainAll( List<T> list, List<T> retain )
-    {
-        if ( list == null || retain == null )
-        {
-            return list;
-        }
-        
-        list.retainAll( retain );
-        return list;
-    }
-    
-    /**
      * Returns a sublist of the given list with the elements at the given indexes.
      * 
      * @param list the list to select from.