diff --git a/services/nginx/app/classes/slack.php b/services/nginx/app/classes/slack.php
index d5dc90c0..4f9f99fe 100644
--- a/services/nginx/app/classes/slack.php
+++ b/services/nginx/app/classes/slack.php
@@ -43,7 +43,6 @@ class slack implements notification_i
             if (!empty($webhook)) {
                 redis->cache_department_webhook($department_id, $webhook);
             }
-            return null;
         }
         return redis->get_department_webhook($department_id);
     }