diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index 5440ab54a3a..88fd6cd3625 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -20,7 +20,7 @@ module ActiveRecord
       include Serialization
     end
 
-    RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name parent superclass)
+    RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name superclass)
 
     class GeneratedAttributeMethods < Module # :nodoc:
       LOCK = Monitor.new
diff --git a/activerecord/test/cases/enum_test.rb b/activerecord/test/cases/enum_test.rb
index 950f8005893..4865197bca5 100644
--- a/activerecord/test/cases/enum_test.rb
+++ b/activerecord/test/cases/enum_test.rb
@@ -535,7 +535,7 @@ class EnumTest < ActiveRecord::TestCase
       :save,     # generates #save!, which conflicts with an AR method
       :proposed, # same value as an existing enum
       :public, :private, :protected, # some important methods on Module and Class
-      :name, :parent, :superclass,
+      :name, :superclass,
       :id        # conflicts with AR querying
     ]
 
diff --git a/activerecord/test/cases/scoping/named_scoping_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb
index df92453fe26..52c8a8ba991 100644
--- a/activerecord/test/cases/scoping/named_scoping_test.rb
+++ b/activerecord/test/cases/scoping/named_scoping_test.rb
@@ -363,7 +363,6 @@ class NamedScopingTest < ActiveRecord::TestCase
       :protected,
       :private,
       :name,
-      :parent,
       :superclass
     ]