diff --git a/app/models/queries/custom_fields/hierarchy/item_query.rb b/app/models/queries/custom_fields/hierarchy/item_query.rb
index 120868d82cf9..a1bd47a6eceb 100644
--- a/app/models/queries/custom_fields/hierarchy/item_query.rb
+++ b/app/models/queries/custom_fields/hierarchy/item_query.rb
@@ -36,10 +36,6 @@ class ItemQuery
         def self.model
           CustomField::Hierarchy::Item
         end
-
-        def default_scope
-          super
-        end
       end
     end
   end
diff --git a/lib/api/errors/unprocessable_content.rb b/lib/api/errors/unprocessable_content.rb
index 74612715a6f0..2b2eaf5c4e9c 100644
--- a/lib/api/errors/unprocessable_content.rb
+++ b/lib/api/errors/unprocessable_content.rb
@@ -31,10 +31,6 @@ module Errors
     class UnprocessableContent < ErrorBase
       identifier "UnprocessableContent"
       code 422
-
-      def initialize(message)
-        super(message)
-      end
     end
   end
 end
diff --git a/spec/lib/api/v3/utilities/resource_link_generator_spec.rb b/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
index b9c0f035527c..867e0f3ae498 100644
--- a/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
+++ b/spec/lib/api/v3/utilities/resource_link_generator_spec.rb
@@ -55,7 +55,7 @@
     end
 
     it "returns nil for unsupported records" do
-      record = create(:custom_field)
+      record = create(:oauth_client_token)
       expect(subject.make_link(record)).to be_nil
     end