diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index af7ac1c2d5b..6801363247d 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -5,8 +5,6 @@ class FollowService < BaseService
   include Payloadable
   include DomainControlHelper
 
-  class Error < StandardError; end
-
   # Follow a remote user, notify remote user about the follow
   # @param [Account] source_account From which to follow
   # @param [Account] target_account Account to follow