diff --git a/xpfe/appshell/public/Makefile.in b/xpfe/appshell/public/Makefile.in
index 9a0c0f1bab6..01375874dc7 100644
--- a/xpfe/appshell/public/Makefile.in
+++ b/xpfe/appshell/public/Makefile.in
@@ -44,7 +44,6 @@ XPIDLSRCS	= \
 		nsIWindowMediatorListener.idl \
 		nsIXULWindow.idl \
 		nsIUserInfo.idl \
-		nsITimingService.idl \
 		nsINativeAppSupport.idl \
 		nsIPopupWindowManager.idl \
 		nsICloseAllWindows.idl \
diff --git a/xpfe/appshell/public/nsITimingService.idl b/xpfe/appshell/public/nsITimingService.idl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/Makefile.in b/xpfe/appshell/src/Makefile.in
index 12e5d04ad50..03c873c6a4d 100644
--- a/xpfe/appshell/src/Makefile.in
+++ b/xpfe/appshell/src/Makefile.in
@@ -73,7 +73,6 @@ CPPSRCS		= \
 		nsWindowMediator.cpp \
 		nsAbout.cpp \
 		nsAppShellFactory.cpp \
-		nsTimingService.cpp \
 		$(NULL)
 
 ifeq ($(MOZ_WIDGET_TOOLKIT),os2)
diff --git a/xpfe/appshell/src/nsAppShellFactory.cpp b/xpfe/appshell/src/nsAppShellFactory.cpp
index 953f42bc1af..f8cc962a130 100644
--- a/xpfe/appshell/src/nsAppShellFactory.cpp
+++ b/xpfe/appshell/src/nsAppShellFactory.cpp
@@ -49,7 +49,6 @@
 #include "nsCommandLineService.h"  
 #include "nsAppShellService.h"
 #include "nsWindowMediator.h"
-#include "nsTimingService.h"
 
 #include "nsUserInfo.h"
 
@@ -60,7 +59,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsCmdLineService)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsAppShellService)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsWindowMediator)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsUserInfo)
-NS_GENERIC_FACTORY_CONSTRUCTOR(nsTimingService)
 
 static const nsModuleComponentInfo gAppShellModuleInfo[] =
 {
@@ -89,11 +87,6 @@ static const nsModuleComponentInfo gAppShellModuleInfo[] =
     NS_USERINFO_CONTRACTID,
     nsUserInfoConstructor,
   },
-  { "Timing Service",
-    NS_TIMINGSERVICE_CID,
-    NS_TIMINGSERVICE_CONTRACTID,
-    nsTimingServiceConstructor,
-  },
 };
 
 NS_IMPL_NSGETMODULE(appshell, gAppShellModuleInfo)
diff --git a/xpfe/appshell/src/nsTimingService.cpp b/xpfe/appshell/src/nsTimingService.cpp
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/xpfe/appshell/src/nsTimingService.h b/xpfe/appshell/src/nsTimingService.h
deleted file mode 100644
index e69de29bb2d..00000000000