diff --git a/app/controllers/api/v0/enterprise_attachment_controller.rb b/app/controllers/api/v0/enterprise_attachment_controller.rb
index b46f29b35562..cf467aad9843 100644
--- a/app/controllers/api/v0/enterprise_attachment_controller.rb
+++ b/app/controllers/api/v0/enterprise_attachment_controller.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'api/admin/enterprise_serializer'
-
 module Api
   module V0
     class EnterpriseAttachmentController < Api::V0::BaseController