diff --git a/app/logical/sources/strategies/pixiv.rb b/app/logical/sources/strategies/pixiv.rb
index 9261ee6b9..120eb1074 100644
--- a/app/logical/sources/strategies/pixiv.rb
+++ b/app/logical/sources/strategies/pixiv.rb
@@ -3,8 +3,6 @@
 require 'csv'
 
 module Sources
-  class Error < StandardError ; end
-
   module Strategies
     class Pixiv < Base
       attr_reader :zip_url, :ugoira_frame_data, :ugoira_content_type