diff --git a/config/default.yml b/config/default.yml
index a259887819f..6f00f110e80 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -2327,8 +2327,8 @@ Lint/UselessMethodDefinition:
   Description: 'Checks for useless method definitions.'
   Enabled: true
   VersionAdded: '0.90'
+  VersionChanged: '0.91'
   Safe: false
-  AllowComments: true
 
 Lint/UselessRuby2Keywords:
   Description: 'Finds unnecessary uses of `ruby2_keywords`.'
diff --git a/spec/rubocop/cop/lint/useless_method_definition_spec.rb b/spec/rubocop/cop/lint/useless_method_definition_spec.rb
index f1ba8a2c94d..ed0fa56c8d6 100644
--- a/spec/rubocop/cop/lint/useless_method_definition_spec.rb
+++ b/spec/rubocop/cop/lint/useless_method_definition_spec.rb
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::Lint::UselessMethodDefinition, :config do
-  let(:cop_config) { { 'AllowComments' => true } }
-
   it 'does not register an offense for empty constructor' do
     expect_no_offenses(<<~RUBY)
       class Foo