diff --git a/toolkit/components/search/moz.build b/toolkit/components/search/moz.build
index ea74fea907..08bd549059 100644
--- a/toolkit/components/search/moz.build
+++ b/toolkit/components/search/moz.build
@@ -7,13 +7,16 @@
 XPCSHELL_TESTS_MANIFESTS += ['tests/xpcshell/xpcshell.ini']
 
 EXTRA_COMPONENTS += [
-    'nsSearchService.js',
     'nsSearchSuggestions.js',
 ]
 
+EXTRA_PP_COMPONENTS += [
+    'nsSearchService.js',
+]
+
 if CONFIG['MOZ_PHOENIX'] or CONFIG['MOZ_FENNEC'] or CONFIG['MOZ_XULRUNNER']:
     DEFINES['HAVE_SIDEBAR'] = True
-    EXTRA_PP_COMPONENTS += [
+    EXTRA_COMPONENTS += [
     'nsSidebar.js',
     ]