diff --git a/lib/rubocop/cli.rb b/lib/rubocop/cli.rb
index 055d5bd8bba..3bbea1b0ad8 100644
--- a/lib/rubocop/cli.rb
+++ b/lib/rubocop/cli.rb
@@ -101,7 +101,6 @@ def act_on_options
 
     def set_options_to_config_loader
       ConfigLoader.debug = @options[:debug]
-      ConfigLoader.auto_gen_config = @options[:auto_gen_config]
       ConfigLoader.disable_pending_cops = @options[:disable_pending_cops]
       ConfigLoader.enable_pending_cops = @options[:enable_pending_cops]
       ConfigLoader.ignore_parent_exclusion = @options[:ignore_parent_exclusion]
diff --git a/lib/rubocop/config_loader.rb b/lib/rubocop/config_loader.rb
index 11358dc1e13..d0f488c07a6 100644
--- a/lib/rubocop/config_loader.rb
+++ b/lib/rubocop/config_loader.rb
@@ -22,16 +22,15 @@ class ConfigLoader
     class << self
       include FileFinder
 
-      attr_accessor :debug, :auto_gen_config, :ignore_parent_exclusion,
+      attr_accessor :debug, :ignore_parent_exclusion,
                     :disable_pending_cops, :enable_pending_cops
       attr_writer :default_configuration
 
       alias debug? debug
-      alias auto_gen_config? auto_gen_config
       alias ignore_parent_exclusion? ignore_parent_exclusion
 
       def clear_options
-        @debug = @auto_gen_config = nil
+        @debug = nil
         FileFinder.root_level = nil
       end