--- a/chrome/browser/ui/webui/local_discovery/local_discovery_ui.cc	2017-10-04 18:07:36.000000000 -0400
+++ b/chrome/browser/ui/webui/local_discovery/local_discovery_ui.cc.new	2017-10-08 19:10:06.336727905 -0400
@@ -143,10 +143,6 @@
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterBooleanPref(
       prefs::kLocalDiscoveryNotificationsEnabled,
-#if defined(OS_WIN)
       false,
-#else
-      true,
-#endif
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 }