diff --git a/toolkit/mozapps/update/tests/Makefile.in b/toolkit/mozapps/update/tests/Makefile.in
index bb552ffce6d3..19ce8df0073b 100644
--- a/toolkit/mozapps/update/tests/Makefile.in
+++ b/toolkit/mozapps/update/tests/Makefile.in
@@ -23,12 +23,10 @@ base-updater-head_DEST    := $(XPCSHELLTESTROOT)/unit_base_updater
 base-updater-head_FILES   := $(XPCSHELLTESTROOT)/unit_aus_update/head_update.js
 
 ifdef MOZ_MAINTENANCE_SERVICE
-ifndef HAVE_64BIT_BUILD
 INSTALL_TARGETS              += service-updater-head
 service-updater-head_TARGET  := libs
 service-updater-head_DEST    := $(XPCSHELLTESTROOT)/unit_service_updater
 service-updater-head_FILES   := $(XPCSHELLTESTROOT)/unit_aus_update/head_update.js
-endif # HAVE_64BIT_BUILD
 endif # MOZ_MAINTENANCE_SERVICE
 
 ifndef MOZ_PROFILE_GENERATE
diff --git a/toolkit/mozapps/update/tests/moz.build b/toolkit/mozapps/update/tests/moz.build
index 4d7ba65816eb..7176f467cd36 100644
--- a/toolkit/mozapps/update/tests/moz.build
+++ b/toolkit/mozapps/update/tests/moz.build
@@ -10,7 +10,7 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'android':
     MOCHITEST_CHROME_MANIFESTS += ['chrome/chrome.ini']
     XPCSHELL_TESTS_MANIFESTS += ['unit_base_updater/xpcshell.ini']
 
-    if CONFIG['MOZ_MAINTENANCE_SERVICE'] and not CONFIG['HAVE_64BIT_BUILD']:
+    if CONFIG['MOZ_MAINTENANCE_SERVICE']:
         XPCSHELL_TESTS_MANIFESTS += ['unit_service_updater/xpcshell.ini']
 
     SimplePrograms([
@@ -44,7 +44,7 @@ for var in ('MOZ_APP_NAME', 'MOZ_APP_BASENAME', 'MOZ_APP_DISPLAYNAME',
 
 DEFINES['NS_NO_XPCOM'] = True
 
-if CONFIG['MOZ_MAINTENANCE_SERVICE'] and not CONFIG['HAVE_64BIT_BUILD']:
+if CONFIG['MOZ_MAINTENANCE_SERVICE']:
     DEFINES['MOZ_MAINTENANCE_SERVICE'] = CONFIG['MOZ_MAINTENANCE_SERVICE']
 
 # For debugging purposes only