diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 18ae18f4a..93f45b94c 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -210,7 +210,6 @@ Layout/MultilineArrayBraceLayout:
     - 'app/helpers/projects_helper.rb'
     - 'app/helpers/settings_helper.rb'
     - 'app/helpers/users_helper.rb'
-    - 'app/models/setting.rb'
     - 'test/unit/lib/redmine/wiki_formatting/markdown_formatter_test.rb'
 
 # Cop supports --auto-correct.
diff --git a/app/models/setting.rb b/app/models/setting.rb
index ec0bad0f2..384bb900b 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -150,7 +150,8 @@ class Setting < ActiveRecord::Base
 
   def self.validate_all_from_params(settings)
     messages = []
-    [[:mail_handler_enable_regex_delimiters,         :mail_handler_body_delimiters,    /[\r\n]+/],
+    [
+     [:mail_handler_enable_regex_delimiters,         :mail_handler_body_delimiters,    /[\r\n]+/],
      [:mail_handler_enable_regex_excluded_filenames, :mail_handler_excluded_filenames, /\s*,\s*/]
     ].each do |enable_regex, regex_field, delimiter|
       if settings.key?(regex_field) || settings.key?(enable_regex)