Allow primary key attributes

README.md

@@ -152,22 +152,6 @@ rails generate factory_bot:model NAME [field:type field:type] [options]
 
 [default factory template]: https://github.com/thoughtbot/factory_bot_rails/tree/main/lib/generators/factory_bot/model/templates/factories.erb
 
-### Active Record Configuration
-
-By default, FactoryBot will refuse to generate Active Record primary key
-columns. Without additional configuration, an Active Record model treats a
-column named `id` as its primary key.
-
-For example, defining an `id` attribute with `add_attribute(:id)`, `id { ... }`,
-or `sequence(:id)` will raise a `FactoryBot::AttributeDefinitionError`.
-
-You can disable this behavior by adding the following to the appropriate environment configuration in `config/environments`
-e.g. `config/environments/test.rb`:
-
-```ruby
-config.factory_bot.reject_primary_key_attributes = false
-```
-
 ## Contributing
 
 Please see [CONTRIBUTING.md](CONTRIBUTING.md).

lib/factory_bot_rails/railtie.rb

@@ -10,7 +10,6 @@ module FactoryBotRails
   class Railtie < Rails::Railtie
     config.factory_bot = ActiveSupport::OrderedOptions.new
     config.factory_bot.definition_file_paths = FactoryBot.definition_file_paths
-    config.factory_bot.reject_primary_key_attributes = true
     config.factory_bot.validator = FactoryBotRails::FactoryValidator.new
 
     initializer "factory_bot.set_fixture_replacement" do
@@ -21,18 +20,6 @@ class Railtie < Rails::Railtie
       FactoryBot.definition_file_paths = definition_file_paths
     end
 
-    initializer "factory_bot.reject_primary_key_attributes" do
-      ActiveSupport.on_load :active_record do
-        config = Rails.configuration.factory_bot
-
-        if config.reject_primary_key_attributes
-          require "factory_bot_rails/factory_validator/active_record_validator"
-
-          config.validator.add_validator FactoryValidator::ActiveRecordValidator.new
-        end
-      end
-    end
-
     config.after_initialize do |app|
       FactoryBot.find_definitions
       Reloader.new(app).run