diff --git a/phpBB/includes/acp/acp_users.php b/phpBB/includes/acp/acp_users.php
index 2a79ec05c0..3f1f39724e 100644
--- a/phpBB/includes/acp/acp_users.php
+++ b/phpBB/includes/acp/acp_users.php
@@ -397,7 +397,7 @@ class acp_users
 								if ($config['require_activation'] == USER_ACTIVATION_ADMIN)
 								{
 									$phpbb_notifications = $phpbb_container->get('notification_manager');
-									$phpbb_notifications->mark_notifications_read('admin_activate_user', $user_row['user_id'], false);
+									$phpbb_notifications->delete_notifications('admin_activate_user', $user_row['user_id']);
 
 									include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);
 
diff --git a/phpBB/includes/ucp/ucp_activate.php b/phpBB/includes/ucp/ucp_activate.php
index 6af0154334..2a94acbe02 100644
--- a/phpBB/includes/ucp/ucp_activate.php
+++ b/phpBB/includes/ucp/ucp_activate.php
@@ -109,7 +109,7 @@ class ucp_activate
 		if ($config['require_activation'] == USER_ACTIVATION_ADMIN && !$update_password)
 		{
 			$phpbb_notifications = $phpbb_container->get('notification_manager');
-			$phpbb_notifications->mark_notifications_read('admin_activate_user', $user_row['user_id'], false);
+			$phpbb_notifications->delete_notifications('admin_activate_user', $user_row['user_id']);
 
 			include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);
 
diff --git a/phpBB/language/en/ucp.php b/phpBB/language/en/ucp.php
index 161ec6c67f..9a5713e1cd 100644
--- a/phpBB/language/en/ucp.php
+++ b/phpBB/language/en/ucp.php
@@ -326,7 +326,7 @@ $lang = array_merge($lang, array(
 	'NOTIFICATION_TYPE_QUOTE'							=> 'Someone quotes you in a post',
 	'NOTIFICATION_TYPE_REPORT'							=> 'Someone reports a post',
 	'NOTIFICATION_TYPE_TOPIC'				   			=> 'Someone creates a topic in a forum to which you are subscribed',
-	'NOTIFICATION_TYPE_ADMIN_ACTIVATE_USER'				=> 'New registered user requiring activation',
+	'NOTIFICATION_TYPE_ADMIN_ACTIVATE_USER'				=> 'Newly registered user requiring activation',
 
 	'NOTIFY_METHOD'					=> 'Notification method',
 	'NOTIFY_METHOD_BOTH'			=> 'Both',