diff --git a/mozilla/content/xul/content/src/nsXULElement.h b/mozilla/content/xul/content/src/nsXULElement.h
index b31de7f61c9..0c957782d3f 100644
--- a/mozilla/content/xul/content/src/nsXULElement.h
+++ b/mozilla/content/xul/content/src/nsXULElement.h
@@ -539,12 +539,6 @@ protected:
     nsCheapVoidArray                    mChildren;           // [OWNER]
     nsCOMPtr<nsIEventListenerManager>   mListenerManager;    // [OWNER]
 
-    /**
-     * The state of our sloth for lazy content model construction via
-     * RDF; see nsIXULContent and nsRDFGenericBuilder.
-     */
-    PRInt32                             mLazyState;
-
     /**
      * The nearest enclosing content node with a binding
      * that created us. [Weak]