diff --git a/mozilla/toolkit/components/build/nsToolkitCompsCID.h b/mozilla/toolkit/components/build/nsToolkitCompsCID.h
index 92ffe624da9..57383cfdadb 100644
--- a/mozilla/toolkit/components/build/nsToolkitCompsCID.h
+++ b/mozilla/toolkit/components/build/nsToolkitCompsCID.h
@@ -77,9 +77,6 @@
 #define NS_URLCLASSIFIERDBSERVICE_CONTRACTID \
     "@mozilla.org/url-classifier/dbservice;1"
 
-#define NS_URLCLASSIFIERSTREAMUPDATER_CONTRACTID \
-    "@mozilla.org/url-classifier/streamupdater;1"
-
 #define NS_SCRIPTABLEUNESCAPEHTML_CONTRACTID "@mozilla.org/feed-unescapehtml;1"
 
 /////////////////////////////////////////////////////////////////////////////
@@ -122,15 +119,9 @@
 // {e7f70966-9a37-48d7-8aeb-35998f31090e}
 #define NS_TYPEAHEADFIND_CID \
 { 0xe7f70966, 0x9a37, 0x48d7, { 0x8a, 0xeb, 0x35, 0x99, 0x8f, 0x31, 0x09, 0x0e} }
-
-// {5eb7c3c1-ec1f-4007-87cc-eefb37d68ce6}
+  
 #define NS_URLCLASSIFIERDBSERVICE_CID \
 { 0x5eb7c3c1, 0xec1f, 0x4007, { 0x87, 0xcc, 0xee, 0xfb, 0x37, 0xd6, 0x8c, 0xe6} }
 
-// {c2be6dc0-ef1e-4abd-86a2-4f864ddc57f6}
-#define NS_URLCLASSIFIERSTREAMUPDATER_CID \
-{ 0xc2be6dc0, 0xef1e, 0x4abd, { 0x86, 0xa2, 0x4f, 0x86, 0x4d, 0xdc, 0x57, 0xf6} }
-
-// {10f2f5f0-f103-4901-980f-ba11bd70d60d}
 #define NS_SCRIPTABLEUNESCAPEHTML_CID  \
 { 0x10f2f5f0, 0xf103, 0x4901, { 0x98, 0x0f, 0xba, 0x11, 0xbd, 0x70, 0xd6, 0x0d} }
diff --git a/mozilla/toolkit/components/build/nsToolkitCompsModule.cpp b/mozilla/toolkit/components/build/nsToolkitCompsModule.cpp
index 219242a9f53..17280a95aac 100644
--- a/mozilla/toolkit/components/build/nsToolkitCompsModule.cpp
+++ b/mozilla/toolkit/components/build/nsToolkitCompsModule.cpp
@@ -56,7 +56,6 @@
 
 #ifdef MOZ_URL_CLASSIFIER
 #include "nsUrlClassifierDBService.h"
-#include "nsUrlClassifierStreamUpdater.h"
 #endif
 
 #ifdef MOZ_FEEDS
@@ -85,7 +84,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsTypeAheadFind)
 #ifdef MOZ_URL_CLASSIFIER
 NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsUrlClassifierDBService,
                                          nsUrlClassifierDBService::GetInstance)
-NS_GENERIC_FACTORY_CONSTRUCTOR(nsUrlClassifierStreamUpdater)
 #endif
 
 #ifdef MOZ_FEEDS
@@ -134,10 +132,6 @@ static const nsModuleComponentInfo components[] =
     NS_URLCLASSIFIERDBSERVICE_CID,
     NS_URLCLASSIFIERDBSERVICE_CONTRACTID,
     nsUrlClassifierDBServiceConstructor },
-  { "Url Classifier Stream Updater",
-    NS_URLCLASSIFIERSTREAMUPDATER_CID,
-    NS_URLCLASSIFIERSTREAMUPDATER_CONTRACTID,
-    nsUrlClassifierStreamUpdaterConstructor },
 #endif
 #ifdef MOZ_FEEDS
   { "Unescape HTML",