diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 357ed995450..2cabe42d188 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -108,10 +108,3 @@ Style/RedundantConstantBase:
   Exclude:
     - 'config/environments/production.rb'
     - 'config/initializers/sidekiq.rb'
-
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: WordRegex.
-# SupportedStyles: percent, brackets
-Style/WordArray:
-  EnforcedStyle: percent
-  MinSize: 3
diff --git a/app/helpers/languages_helper.rb b/app/helpers/languages_helper.rb
index 9e1c0a7db1d..854c213350e 100644
--- a/app/helpers/languages_helper.rb
+++ b/app/helpers/languages_helper.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module LanguagesHelper
+  # rubocop:disable Style/WordArray
   ISO_639_1 = {
     aa: ['Afar', 'Afaraf'].freeze,
     ab: ['Abkhaz', 'аҧсуа бызшәа'].freeze,
@@ -221,6 +222,8 @@ module LanguagesHelper
     'zh-YUE': ['Cantonese', '廣東話'].freeze,
   }.freeze
 
+  # rubocop:enable Style/WordArray
+
   SUPPORTED_LOCALES = {}.merge(ISO_639_1).merge(ISO_639_1_REGIONAL).merge(ISO_639_3).freeze
 
   # For ISO-639-1 and ISO-639-3 language codes, we have their official
diff --git a/app/models/concerns/attachmentable.rb b/app/models/concerns/attachmentable.rb
index a83e178fc4f..89c910249af 100644
--- a/app/models/concerns/attachmentable.rb
+++ b/app/models/concerns/attachmentable.rb
@@ -69,7 +69,7 @@ module Attachmentable
     original_extension       = Paperclip::Interpolations.extension(attachment, :original)
     proper_extension         = extensions_for_mime_type.first.to_s
     extension                = extensions_for_mime_type.include?(original_extension) ? original_extension : proper_extension
-    extension                = 'jpeg' if ['jpe', 'jfif'].include?(extension)
+    extension                = 'jpeg' if %w(jpe jfif).include?(extension)
 
     extension
   end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 4755500fc4e..de04d4e2e42 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -90,7 +90,7 @@ RSpec.describe User do
       it 'preserves valid options for languages' do
         user = Fabricate.build(:user, chosen_languages: ['en', 'fr', ''])
 
-        expect(user.chosen_languages).to eq(['en', 'fr'])
+        expect(user.chosen_languages).to eq(%w(en fr))
       end
 
       it 'cleans out empty string from languages' do
diff --git a/spec/requests/api/v1/apps_spec.rb b/spec/requests/api/v1/apps_spec.rb
index 1f01bddf3ca..29630f932ac 100644
--- a/spec/requests/api/v1/apps_spec.rb
+++ b/spec/requests/api/v1/apps_spec.rb
@@ -42,7 +42,7 @@ RSpec.describe 'Apps' do
             client_secret: app.secret,
             name: client_name,
             website: website,
-            scopes: ['read', 'write'],
+            scopes: %w(read write),
             redirect_uris: redirect_uris,
             # Deprecated properties as of 4.3:
             redirect_uri: redirect_uri,