diff --git a/app/serializers/api/admin/tag_rule_serializer.rb b/app/serializers/api/admin/tag_rule_serializer.rb
index 0a64f74c8b..3f8b14bc1c 100644
--- a/app/serializers/api/admin/tag_rule_serializer.rb
+++ b/app/serializers/api/admin/tag_rule_serializer.rb
@@ -1,17 +1,5 @@
 # frozen_string_literal: true
 
-module Api
-  module Admin
-    class TagRuleSerializer < ActiveModel::Serializer
-      delegate :serializable_hash, to: :rule_specific_serializer
-
-      def rule_specific_serializer
-        "Api::Admin::#{object.class}Serializer".constantize.new(object)
-      end
-    end
-  end
-end
-
 module Api
   module Admin
     module TagRule