diff --git i/toolkit/system/gnome/moz.build w/toolkit/system/gnome/moz.build
index 0ecde07..206d6eb 100644
--- i/toolkit/system/gnome/moz.build
+++ w/toolkit/system/gnome/moz.build
@@ -5,9 +5,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

 SOURCES += [
-    'nsAlertsIconListener.cpp',
     'nsGnomeModule.cpp',
-    'nsSystemAlertsService.cpp',
 ]

 if CONFIG['MOZ_ENABLE_GCONF']:
diff --git i/toolkit/system/gnome/nsGnomeModule.cpp w/toolkit/system/gnome/nsGnomeModule.cpp
index 6ecebcc..2f193a3 100644
--- i/toolkit/system/gnome/nsGnomeModule.cpp
+++ w/toolkit/system/gnome/nsGnomeModule.cpp
@@ -20,8 +20,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsGIOService)
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsGSettingsService, Init)
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsPackageKitService, Init)
 #endif
-#include "nsSystemAlertsService.h"
-NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsSystemAlertsService, Init)

 #ifdef MOZ_ENABLE_GCONF
 NS_DEFINE_NAMED_CID(NS_GCONFSERVICE_CID);
@@ -31,7 +29,6 @@ NS_DEFINE_NAMED_CID(NS_GIOSERVICE_CID);
 NS_DEFINE_NAMED_CID(NS_GSETTINGSSERVICE_CID);
 NS_DEFINE_NAMED_CID(NS_PACKAGEKITSERVICE_CID);
 #endif
-NS_DEFINE_NAMED_CID(NS_SYSTEMALERTSSERVICE_CID);

 static const mozilla::Module::CIDEntry kGnomeCIDs[] = {
 #ifdef MOZ_ENABLE_GCONF
@@ -42,7 +39,6 @@ static const mozilla::Module::CIDEntry kGnomeCIDs[] = {
   { &kNS_GSETTINGSSERVICE_CID, false, nullptr, nsGSettingsServiceConstructor },
   { &kNS_PACKAGEKITSERVICE_CID, false, nullptr, nsPackageKitServiceConstructor },
 #endif
-  { &kNS_SYSTEMALERTSSERVICE_CID, false, nullptr, nsSystemAlertsServiceConstructor },
   { nullptr }
 };

@@ -55,7 +51,6 @@ static const mozilla::Module::ContractIDEntry kGnomeContracts[] = {
   { NS_GSETTINGSSERVICE_CONTRACTID, &kNS_GSETTINGSSERVICE_CID },
   { NS_PACKAGEKITSERVICE_CONTRACTID, &kNS_PACKAGEKITSERVICE_CID },
 #endif
-  { NS_SYSTEMALERTSERVICE_CONTRACTID, &kNS_SYSTEMALERTSSERVICE_CID },
   { nullptr }
 };