diff --git a/static/js/feature_flags.js b/static/js/feature_flags.js
index d2eb5e409d..0a854658c5 100644
--- a/static/js/feature_flags.js
+++ b/static/js/feature_flags.js
@@ -44,9 +44,6 @@ exports.show_autoscroll_forever_option = page_params.show_autoscroll_forever_opt
 exports.fade_users_when_composing = page_params.staging || is_customer4;
 exports.use_socket = page_params.staging;
 
-exports.clicking_notification_causes_narrow = page_params.staging || is_customer4 ||
-    _.contains(['customer25.invalid', 'mit.edu', 'customer21.invalid'], page_params.domain);
-
 exports.full_width = page_params.staging;
 
 exports.show_digest_email_setting = page_params.staging;
@@ -56,6 +53,7 @@ exports.topic_zooming = true;
 exports.mark_read_at_bottom = true;
 exports.propagate_topic_edits = true;
 exports.summarize_read_while_narrowed = false;
+exports.clicking_notification_causes_narrow = true;
 
 // Ready for deprecation.
 exports.collapsible = false;