diff --git a/core/src/main/java/hudson/model/RSS.java b/core/src/main/java/hudson/model/RSS.java
index ac7537e702249d441747ed72a19064498daf6d85..ed0faf81dc8b6c6419a00370e1154795e8eda667 100644
--- a/core/src/main/java/hudson/model/RSS.java
+++ b/core/src/main/java/hudson/model/RSS.java
@@ -23,10 +23,10 @@ final class RSS {
     public static void doTrackback( Object it, StaplerRequest req, StaplerResponse rsp ) throws IOException, ServletException {
         req.setCharacterEncoding("UTF-8");
 
-        String title = req.getParameter("title");
+//        String title = req.getParameter("title");
         String url = req.getParameter("url");
-        String excerpt = req.getParameter("excerpt");
-        String blog_name = req.getParameter("blog_name");
+//        String excerpt = req.getParameter("excerpt");
+//        String blog_name = req.getParameter("blog_name");
 
         rsp.setStatus(HttpServletResponse.SC_OK);
         rsp.setContentType("application/xml; charset=UTF-8");