Index: src/bp-activity/bp-activity-notifications.php
===================================================================
--- src/bp-activity/bp-activity-notifications.php
+++ src/bp-activity/bp-activity-notifications.php
@@ -10,6 +10,8 @@
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
+add_action( 'bp_notification_settings', '__return_empty_string' );
+
 /**
  * Format notifications related to activity.
  *
Index: src/bp-friends/bp-friends-notifications.php
===================================================================
--- src/bp-friends/bp-friends-notifications.php
+++ src/bp-friends/bp-friends-notifications.php
@@ -13,6 +13,8 @@
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
+add_action( 'bp_notification_settings', '__return_empty_string' );
+
 /**
  * Notification formatting callback for bp-friends notifications.
  *
Index: src/bp-groups/bp-groups-notifications.php
===================================================================
--- src/bp-groups/bp-groups-notifications.php
+++ src/bp-groups/bp-groups-notifications.php
@@ -15,6 +15,8 @@
 
 /** Emails ********************************************************************/
 
+add_action( 'bp_notification_settings', '__return_empty_string' );
+
 /**
  * Notify all group members when a group is updated.
  *
Index: src/bp-messages/bp-messages-notifications.php
===================================================================
--- src/bp-messages/bp-messages-notifications.php
+++ src/bp-messages/bp-messages-notifications.php
@@ -10,6 +10,8 @@
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
+add_action( 'bp_notification_settings', '__return_empty_string' );
+
 /**
  * Format notifications for the Messages component.
  *