diff --git a/content/xbl/src/nsBindingManager.cpp b/content/xbl/src/nsBindingManager.cpp
index 8a4234800cbd..6d121723d8c8 100644
--- a/content/xbl/src/nsBindingManager.cpp
+++ b/content/xbl/src/nsBindingManager.cpp
@@ -92,11 +92,6 @@
 
 #include "nsIScriptContext.h"
 
-// Static IIDs/CIDs. Try to minimize these.
-static NS_DEFINE_CID(kNameSpaceManagerCID,        NS_NAMESPACEMANAGER_CID);
-static NS_DEFINE_CID(kXMLDocumentCID,             NS_XMLDOCUMENT_CID);
-static NS_DEFINE_CID(kParserCID,                  NS_PARSER_CID);
-
 // ==================================================================
 // = nsAnonymousContentList 
 // ==================================================================