diff --git a/.rubocop.yml b/.rubocop.yml
index 3d0f38336..fb0d0791e 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -118,6 +118,8 @@ RSpec/ExcessiveDocstringSpacing:
   Enabled: true
 RSpec/IdenticalEqualityAssertion:
   Enabled: true
+RSpec/MemoizedHelperBlockDelimiter:
+  Enabled: true
 RSpec/NoExpectationExample:
   Enabled: true
 RSpec/SortMetadata:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e35434431..1f5fc47b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 * Update `config/default.yml` removing deprecated option to make the config correctable by users. ([@ignaciovillaverde][])
 * Do not attempt to auto-correct example groups with `include_examples` in `RSpec/LetBeforeExamples`. ([@pirj][])
 * Add new `RSpec/SortMetadata` cop. ([@leoarnold][])
+* Add `RSpec/MemoizedHelperBlockDelimiter` cop. ([@r7kamura][])
 
 ## 2.13.2 (2022-09-23)
 
diff --git a/config/default.yml b/config/default.yml
index 1c36c0e6b..4d5adb7d4 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -558,6 +558,16 @@ RSpec/LetSetup:
   VersionAdded: '1.7'
   Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/LetSetup
 
+RSpec/MemoizedHelperBlockDelimiter:
+  Description: Use consistent style block delimiters for memoized helpers.
+  Enabled: pending
+  EnforcedStyle: do_end
+  SupportedStyles:
+    - braces
+    - do_end
+  VersionAdded: "<<next>>"
+  Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/MemoizedHelperBlockDelimiter
+
 RSpec/MessageChain:
   Description: Check that chains of messages are not being stubbed.
   Enabled: true
diff --git a/docs/modules/ROOT/pages/cops.adoc b/docs/modules/ROOT/pages/cops.adoc
index 9e29262d0..494f74793 100644
--- a/docs/modules/ROOT/pages/cops.adoc
+++ b/docs/modules/ROOT/pages/cops.adoc
@@ -52,6 +52,7 @@
 * xref:cops_rspec.adoc#rspecleakyconstantdeclaration[RSpec/LeakyConstantDeclaration]
 * xref:cops_rspec.adoc#rspecletbeforeexamples[RSpec/LetBeforeExamples]
 * xref:cops_rspec.adoc#rspecletsetup[RSpec/LetSetup]
+* xref:cops_rspec.adoc#rspecmemoizedhelperblockdelimiter[RSpec/MemoizedHelperBlockDelimiter]
 * xref:cops_rspec.adoc#rspecmessagechain[RSpec/MessageChain]
 * xref:cops_rspec.adoc#rspecmessageexpectation[RSpec/MessageExpectation]
 * xref:cops_rspec.adoc#rspecmessagespies[RSpec/MessageSpies]
diff --git a/docs/modules/ROOT/pages/cops_rspec.adoc b/docs/modules/ROOT/pages/cops_rspec.adoc
index e4d799540..0774316e1 100644
--- a/docs/modules/ROOT/pages/cops_rspec.adoc
+++ b/docs/modules/ROOT/pages/cops_rspec.adoc
@@ -2800,6 +2800,78 @@ end
 
 * https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/LetSetup
 
+== RSpec/MemoizedHelperBlockDelimiter
+
+|===
+| Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed
+
+| Pending
+| Yes
+| Yes
+| <<next>>
+| -
+|===
+
+Use consistent style block delimiters for memoized helpers.
+
+=== Examples
+
+==== EnforcedStyle: do_end (default)
+
+[source,ruby]
+----
+# bad
+let(:foo) { 'bar' }
+
+# good
+let(:foo) do
+  'bar'
+end
+
+# bad
+subject(:foo) { 'bar' }
+
+# good
+subject(:foo) do
+  'bar'
+end
+----
+
+==== EnforcedStyle: braces
+
+[source,ruby]
+----
+# bad
+let(:foo) do
+  'bar'
+end
+
+# good
+let(:foo) { 'bar' }
+
+# bad
+subject(:foo) do
+  'bar'
+end
+
+# good
+subject(:foo) { 'bar' }
+----
+
+=== Configurable attributes
+
+|===
+| Name | Default value | Configurable values
+
+| EnforcedStyle
+| `do_end`
+| `braces`, `do_end`
+|===
+
+=== References
+
+* https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/MemoizedHelperBlockDelimiter
+
 == RSpec/MessageChain
 
 |===
diff --git a/lib/rubocop/cop/rspec/memoized_helper_block_delimiter.rb b/lib/rubocop/cop/rspec/memoized_helper_block_delimiter.rb
new file mode 100644
index 000000000..59285a838
--- /dev/null
+++ b/lib/rubocop/cop/rspec/memoized_helper_block_delimiter.rb
@@ -0,0 +1,135 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module RSpec
+      # Use consistent style block delimiters for memoized helpers.
+      #
+      # @example EnforcedStyle: do_end (default)
+      #   # bad
+      #   let(:foo) { 'bar' }
+      #
+      #   # good
+      #   let(:foo) do
+      #     'bar'
+      #   end
+      #
+      #   # bad
+      #   subject(:foo) { 'bar' }
+      #
+      #   # good
+      #   subject(:foo) do
+      #     'bar'
+      #   end
+      #
+      # @example EnforcedStyle: braces
+      #   # bad
+      #   let(:foo) do
+      #     'bar'
+      #   end
+      #
+      #   # good
+      #   let(:foo) { 'bar' }
+      #
+      #   # bad
+      #   subject(:foo) do
+      #     'bar'
+      #   end
+      #
+      #   # good
+      #   subject(:foo) { 'bar' }
+      class MemoizedHelperBlockDelimiter < Base
+        extend AutoCorrector
+
+        include ConfigurableEnforcedStyle
+        include RangeHelp
+        include RuboCop::RSpec::Language
+
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [void]
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
+          return unless bad?(node)
+
+          add_offense(
+            node.location.begin.with(
+              end_pos: node.location.end.end_pos
+            ),
+            message: "Use #{style} style block delimiters."
+          ) do |corrector|
+            autocorrect(corrector, node)
+          end
+        end
+
+        private
+
+        # @param corrector [RuboCop::Cop::Corrector]
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [void]
+        def autocorrect(corrector, node)
+          case style
+          when :braces
+            # Not supported because it conflicts with Style/BlockDelimiters.
+          when :do_end
+            autocorrect_braces(corrector, node)
+          end
+        end
+
+        # @param corrector [RuboCop::Cop::Corrector]
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [void]
+        def autocorrect_braces(corrector, node)
+          unless whitespace_before?(node.location.begin)
+            corrector.insert_before(node.location.begin, ' ')
+          end
+          corrector.replace(node.location.begin, 'do')
+          corrector.replace(node.location.end, 'end')
+          wrap_in_newlines(corrector, node) if node.single_line?
+        end
+
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [Boolean]
+        def bad?(node)
+          memoized_helper_method?(node) &&
+            !preferred_block_delimiter?(node)
+        end
+
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [Boolean]
+        def memoized_helper_method?(node)
+          let?(node) || subject?(node)
+        end
+
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [Boolean]
+        def preferred_block_delimiter?(node)
+          case style
+          when :braces
+            node.braces?
+          when :do_end
+            !node.braces?
+          end
+        end
+
+        # @param range [Parser::Source::Range]
+        # @return [Boolean]
+        def whitespace_before?(range)
+          range.source_buffer.source[range.begin_pos - 1].match?(/\s/)
+        end
+
+        # @param corrector [RuboCop::Cop::Corrector]
+        # @param node [RuboCop::AST::BlockNode]
+        # @return [void]
+        def wrap_in_newlines(corrector, node)
+          corrector.wrap(
+            node.location.begin.with(
+              begin_pos: node.location.begin.end_pos,
+              end_pos: node.location.end.begin_pos
+            ),
+            "\n",
+            "\n"
+          )
+        end
+      end
+    end
+  end
+end
diff --git a/lib/rubocop/cop/rspec_cops.rb b/lib/rubocop/cop/rspec_cops.rb
index b9b9d103c..69f177070 100644
--- a/lib/rubocop/cop/rspec_cops.rb
+++ b/lib/rubocop/cop/rspec_cops.rb
@@ -73,6 +73,7 @@
 require_relative 'rspec/leaky_constant_declaration'
 require_relative 'rspec/let_before_examples'
 require_relative 'rspec/let_setup'
+require_relative 'rspec/memoized_helper_block_delimiter'
 require_relative 'rspec/message_chain'
 require_relative 'rspec/message_expectation'
 require_relative 'rspec/message_spies'
diff --git a/spec/project/changelog_spec.rb b/spec/project/changelog_spec.rb
index 26a01ecf4..953412d13 100644
--- a/spec/project/changelog_spec.rb
+++ b/spec/project/changelog_spec.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 RSpec.describe 'CHANGELOG.md' do
-  subject(:changelog) { SpecHelper::ROOT.join('CHANGELOG.md').read }
+  subject(:changelog) do
+    SpecHelper::ROOT.join('CHANGELOG.md').read
+  end
 
   it 'has link definitions for all implicit links' do
     implicit_link_names = changelog.scan(/\[([^\]]+)\]\[\]/).flatten.uniq
@@ -32,9 +34,13 @@
   end
 
   describe 'entry' do
-    subject(:entries) { lines.grep(/^\*/).map(&:chomp) }
+    subject(:entries) do
+      lines.grep(/^\*/).map(&:chomp)
+    end
 
-    let(:lines) { changelog.each_line }
+    let(:lines) do
+      changelog.each_line
+    end
 
     it 'has a whitespace between the * and the body' do
       expect(entries).to all(match(/^\* \S/))
diff --git a/spec/rubocop/cli/autocorrect_spec.rb b/spec/rubocop/cli/autocorrect_spec.rb
index fce3b57d9..51f180a72 100644
--- a/spec/rubocop/cli/autocorrect_spec.rb
+++ b/spec/rubocop/cli/autocorrect_spec.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 RSpec.describe 'RuboCop::CLI --autocorrect' do # rubocop:disable RSpec/DescribeClass
-  subject(:cli) { RuboCop::CLI.new }
+  subject(:cli) do
+    RuboCop::CLI.new
+  end
 
   include_context 'isolated environment'
 
diff --git a/spec/rubocop/cop/rspec/base_spec.rb b/spec/rubocop/cop/rspec/base_spec.rb
index fed26061b..0fd46be6f 100644
--- a/spec/rubocop/cop/rspec/base_spec.rb
+++ b/spec/rubocop/cop/rspec/base_spec.rb
@@ -1,8 +1,12 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::RSpec::Base do
-  let(:cop_class) { RuboCop::RSpec::FakeCop }
-  let(:cop_config) { { 'Exclude' => %w[bar_spec.rb] } }
+  let(:cop_class) do
+    RuboCop::RSpec::FakeCop
+  end
+  let(:cop_config) do
+    { 'Exclude' => %w[bar_spec.rb] }
+  end
 
   before do
     stub_const('RuboCop::RSpec::FakeCop',
@@ -89,7 +93,9 @@ def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
                  end)
     end
 
-    let(:cop_class) { RuboCop::RSpec::ExampleGroupHaterCop }
+    let(:cop_class) do
+      RuboCop::RSpec::ExampleGroupHaterCop
+    end
 
     shared_examples_for 'it detects `describe`' do
       it 'detects `describe` as an example group' do
diff --git a/spec/rubocop/cop/rspec/be_nil_spec.rb b/spec/rubocop/cop/rspec/be_nil_spec.rb
index 3405f6d75..41f14f109 100644
--- a/spec/rubocop/cop/rspec/be_nil_spec.rb
+++ b/spec/rubocop/cop/rspec/be_nil_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'with EnforcedStyle `be_nil`' do
-    let(:enforced_style) { 'be_nil' }
+    let(:enforced_style) do
+      'be_nil'
+    end
 
     it 'registers an offense when using `#be` for `nil` value' do
       expect_offense(<<~RUBY)
@@ -37,7 +39,9 @@
   end
 
   context 'with EnforcedStyle `be`' do
-    let(:enforced_style) { 'be' }
+    let(:enforced_style) do
+      'be'
+    end
 
     it 'does not register an offense when using `#be` for `nil` value' do
       expect_no_offenses(<<~RUBY)
diff --git a/spec/rubocop/cop/rspec/capybara/feature_methods_spec.rb b/spec/rubocop/cop/rspec/capybara/feature_methods_spec.rb
index 44f466ca6..39c4488c6 100644
--- a/spec/rubocop/cop/rspec/capybara/feature_methods_spec.rb
+++ b/spec/rubocop/cop/rspec/capybara/feature_methods_spec.rb
@@ -133,7 +133,9 @@
   end
 
   context 'with configured `EnabledMethods`' do
-    let(:cop_config) { { 'EnabledMethods' => %w[feature] } }
+    let(:cop_config) do
+      { 'EnabledMethods' => %w[feature] }
+    end
 
     it 'ignores usage of the enabled method' do
       expect_no_offenses(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/capybara/negation_matcher_spec.rb b/spec/rubocop/cop/rspec/capybara/negation_matcher_spec.rb
index f84702c1d..7b785c788 100644
--- a/spec/rubocop/cop/rspec/capybara/negation_matcher_spec.rb
+++ b/spec/rubocop/cop/rspec/capybara/negation_matcher_spec.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::RSpec::Capybara::NegationMatcher, :config do
-  let(:cop_config) { { 'EnforcedStyle' => enforced_style } }
+  let(:cop_config) do
+    { 'EnforcedStyle' => enforced_style }
+  end
 
   context 'with EnforcedStyle `have_no`' do
-    let(:enforced_style) { 'have_no' }
+    let(:enforced_style) do
+      'have_no'
+    end
 
     %i[selector css xpath text title current_path link button
        field checked_field unchecked_field select table
@@ -50,7 +54,9 @@
   end
 
   context 'with EnforcedStyle `not_to`' do
-    let(:enforced_style) { 'not_to' }
+    let(:enforced_style) do
+      'not_to'
+    end
 
     %i[selector css xpath text title current_path link button
        field checked_field unchecked_field select table
diff --git a/spec/rubocop/cop/rspec/change_by_zero_spec.rb b/spec/rubocop/cop/rspec/change_by_zero_spec.rb
index d47ee9d66..e4f473aea 100644
--- a/spec/rubocop/cop/rspec/change_by_zero_spec.rb
+++ b/spec/rubocop/cop/rspec/change_by_zero_spec.rb
@@ -174,7 +174,9 @@
   end
 
   context "with `NegatedMatcher: 'not_change'`" do
-    let(:cop_config) { { 'NegatedMatcher' => 'not_change' } }
+    let(:cop_config) do
+      { 'NegatedMatcher' => 'not_change' }
+    end
 
     it 'registers an offense and autocorrect when ' \
        'the argument to `by` is zero with compound expectations' do
diff --git a/spec/rubocop/cop/rspec/context_wording_spec.rb b/spec/rubocop/cop/rspec/context_wording_spec.rb
index 875bf557a..78dc703db 100644
--- a/spec/rubocop/cop/rspec/context_wording_spec.rb
+++ b/spec/rubocop/cop/rspec/context_wording_spec.rb
@@ -81,7 +81,9 @@
   end
 
   context 'when configured' do
-    let(:cop_config) { { 'Prefixes' => %w[if], 'AllowedPatterns' => [] } }
+    let(:cop_config) do
+      { 'Prefixes' => %w[if], 'AllowedPatterns' => [] }
+    end
 
     it 'finds context without allowed prefixes at the beginning' do
       expect_offense(<<-RUBY)
@@ -112,7 +114,9 @@
     end
 
     context 'with special regex characters' do
-      let(:cop_config) { { 'Prefixes' => ['a$b\d'], 'AllowedPatterns' => [] } }
+      let(:cop_config) do
+        { 'Prefixes' => ['a$b\d'], 'AllowedPatterns' => [] }
+      end
 
       it 'matches the full prefix' do
         expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/described_class_spec.rb b/spec/rubocop/cop/rspec/described_class_spec.rb
index 9da01955b..dde094713 100644
--- a/spec/rubocop/cop/rspec/described_class_spec.rb
+++ b/spec/rubocop/cop/rspec/described_class_spec.rb
@@ -1,10 +1,14 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::RSpec::DescribedClass do
-  let(:cop_config) { {} }
+  let(:cop_config) do
+    {}
+  end
 
   context 'when SkipBlocks is `true`' do
-    let(:cop_config) { { 'SkipBlocks' => true } }
+    let(:cop_config) do
+      { 'SkipBlocks' => true }
+    end
 
     it 'ignores violations within non-rspec blocks' do
       expect_offense(<<-RUBY)
@@ -50,7 +54,9 @@
   end
 
   context 'when EnforcedStyle is :described_class' do
-    let(:cop_config) { { 'EnforcedStyle' => :described_class } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => :described_class }
+    end
 
     it 'flags for the use of the described class' do
       expect_offense(<<-RUBY)
@@ -291,7 +297,9 @@ module SomeGem
   end
 
   context 'when EnforcedStyle is :explicit' do
-    let(:cop_config) { { 'EnforcedStyle' => :explicit } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => :explicit }
+    end
 
     it 'flags the use of the described_class' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/empty_line_after_example_spec.rb b/spec/rubocop/cop/rspec/empty_line_after_example_spec.rb
index f7a81704a..faf07362e 100644
--- a/spec/rubocop/cop/rspec/empty_line_after_example_spec.rb
+++ b/spec/rubocop/cop/rspec/empty_line_after_example_spec.rb
@@ -248,7 +248,9 @@
   end
 
   context 'when AllowConsecutiveOneLiners is false' do
-    let(:cop_config) { { 'AllowConsecutiveOneLiners' => false } }
+    let(:cop_config) do
+      { 'AllowConsecutiveOneLiners' => false }
+    end
 
     it 'ignores consecutive one-liners' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/empty_line_after_hook_spec.rb b/spec/rubocop/cop/rspec/empty_line_after_hook_spec.rb
index 23298f851..41cebc012 100644
--- a/spec/rubocop/cop/rspec/empty_line_after_hook_spec.rb
+++ b/spec/rubocop/cop/rspec/empty_line_after_hook_spec.rb
@@ -379,7 +379,9 @@
   end
 
   context 'when AllowConsecutiveOneLiners option `false`' do
-    let(:cop_config) { { 'AllowConsecutiveOneLiners' => false } }
+    let(:cop_config) do
+      { 'AllowConsecutiveOneLiners' => false }
+    end
 
     include_examples 'always require empty line after hook groups'
     include_examples 'never allows consecutive multiline blocks'
diff --git a/spec/rubocop/cop/rspec/example_length_spec.rb b/spec/rubocop/cop/rspec/example_length_spec.rb
index 5a1346277..786e88676 100644
--- a/spec/rubocop/cop/rspec/example_length_spec.rb
+++ b/spec/rubocop/cop/rspec/example_length_spec.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::RSpec::ExampleLength do
-  let(:cop_config) { { 'Max' => 3 } }
+  let(:cop_config) do
+    { 'Max' => 3 }
+  end
 
   it 'ignores non-spec blocks' do
     expect_no_offenses(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/example_without_description_spec.rb b/spec/rubocop/cop/rspec/example_without_description_spec.rb
index e2156925d..06a061ff1 100644
--- a/spec/rubocop/cop/rspec/example_without_description_spec.rb
+++ b/spec/rubocop/cop/rspec/example_without_description_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'with EnforcedStyle `always_allow`' do
-    let(:enforced_style) { 'always_allow' }
+    let(:enforced_style) do
+      'always_allow'
+    end
 
     it 'flags empty strings for description' do
       expect_offense(<<-RUBY)
@@ -35,7 +37,9 @@
   end
 
   context 'with EnforcedStyle `single_line_only`' do
-    let(:enforced_style) { 'single_line_only' }
+    let(:enforced_style) do
+      'single_line_only'
+    end
 
     it 'flags missing description in multi-line examples' do
       expect_offense(<<-RUBY)
@@ -61,7 +65,9 @@
   end
 
   context 'with EnforcedStyle `disallow`' do
-    let(:enforced_style) { 'disallow' }
+    let(:enforced_style) do
+      'disallow'
+    end
 
     it 'flags missing description in multi-line examples' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/example_wording_spec.rb b/spec/rubocop/cop/rspec/example_wording_spec.rb
index 0a76ad836..0b5eb9bc8 100644
--- a/spec/rubocop/cop/rspec/example_wording_spec.rb
+++ b/spec/rubocop/cop/rspec/example_wording_spec.rb
@@ -213,7 +213,9 @@
   end
 
   context 'when `DisallowedExamples: Workz`' do
-    let(:cop_config) { { 'DisallowedExamples' => ['Workz'] } }
+    let(:cop_config) do
+      { 'DisallowedExamples' => ['Workz'] }
+    end
 
     it 'finds a valid sentence across two lines' do
       expect_no_offenses(<<-'RUBY')
diff --git a/spec/rubocop/cop/rspec/expect_actual_spec.rb b/spec/rubocop/cop/rspec/expect_actual_spec.rb
index cc21b7f28..fb06598ce 100644
--- a/spec/rubocop/cop/rspec/expect_actual_spec.rb
+++ b/spec/rubocop/cop/rspec/expect_actual_spec.rb
@@ -318,7 +318,9 @@
   end
 
   context 'when inspecting rspec-rails routing specs' do
-    let(:cop_config) { {} }
+    let(:cop_config) do
+      {}
+    end
 
     it 'ignores rspec-rails routing specs' do
       expect_no_offenses(
diff --git a/spec/rubocop/cop/rspec/expect_change_spec.rb b/spec/rubocop/cop/rspec/expect_change_spec.rb
index 3ec1fca31..28f3dac6c 100644
--- a/spec/rubocop/cop/rspec/expect_change_spec.rb
+++ b/spec/rubocop/cop/rspec/expect_change_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'with EnforcedStyle `method_call`' do
-    let(:enforced_style) { 'method_call' }
+    let(:enforced_style) do
+      'method_call'
+    end
 
     it 'flags blocks that contain simple message sending' do
       expect_offense(<<-RUBY)
@@ -119,7 +121,9 @@
   end
 
   context 'with EnforcedStyle `block`' do
-    let(:enforced_style) { 'block' }
+    let(:enforced_style) do
+      'block'
+    end
 
     it 'flags change matcher without block' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/factory_bot/consistent_parentheses_style_spec.rb b/spec/rubocop/cop/rspec/factory_bot/consistent_parentheses_style_spec.rb
index 15c0ac065..d34568324 100644
--- a/spec/rubocop/cop/rspec/factory_bot/consistent_parentheses_style_spec.rb
+++ b/spec/rubocop/cop/rspec/factory_bot/consistent_parentheses_style_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'when EnforcedStyle is :enforce_parentheses' do
-    let(:enforced_style) { :require_parentheses }
+    let(:enforced_style) do
+      :require_parentheses
+    end
 
     context 'with create' do
       it 'flags the call to use parentheses' do
@@ -134,7 +136,9 @@
   end
 
   context 'when EnforcedStyle is :omit_parentheses' do
-    let(:enforced_style) { :omit_parentheses }
+    let(:enforced_style) do
+      :omit_parentheses
+    end
 
     context 'with create' do
       it 'flags the call to not use parentheses' do
diff --git a/spec/rubocop/cop/rspec/factory_bot/create_list_spec.rb b/spec/rubocop/cop/rspec/factory_bot/create_list_spec.rb
index 7de312664..e33347885 100644
--- a/spec/rubocop/cop/rspec/factory_bot/create_list_spec.rb
+++ b/spec/rubocop/cop/rspec/factory_bot/create_list_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'when EnforcedStyle is :create_list' do
-    let(:enforced_style) { :create_list }
+    let(:enforced_style) do
+      :create_list
+    end
 
     it 'flags usage of n.times with no arguments' do
       expect_offense(<<~RUBY)
@@ -192,7 +194,9 @@
   end
 
   context 'when EnforcedStyle is :n_times' do
-    let(:enforced_style) { :n_times }
+    let(:enforced_style) do
+      :n_times
+    end
 
     it 'flags usage of create_list' do
       expect_offense(<<~RUBY)
diff --git a/spec/rubocop/cop/rspec/file_path_spec.rb b/spec/rubocop/cop/rspec/file_path_spec.rb
index 392e76189..59883107c 100644
--- a/spec/rubocop/cop/rspec/file_path_spec.rb
+++ b/spec/rubocop/cop/rspec/file_path_spec.rb
@@ -249,7 +249,9 @@ class Foo
   end
 
   context 'when configured with CustomTransform' do
-    let(:cop_config) { { 'CustomTransform' => { 'FooFoo' => 'foofoo' } } }
+    let(:cop_config) do
+      { 'CustomTransform' => { 'FooFoo' => 'foofoo' } }
+    end
 
     it 'does not register an offense for custom module name transformation' do
       expect_no_offenses(<<-RUBY, 'foofoo/some/class/bar_spec.rb')
@@ -265,7 +267,9 @@ class Foo
   end
 
   context 'when configured with IgnoreMethods' do
-    let(:cop_config) { { 'IgnoreMethods' => true } }
+    let(:cop_config) do
+      { 'IgnoreMethods' => true }
+    end
 
     it 'does not register an offense for the described method' do
       expect_no_offenses(<<-RUBY, 'my_class_spec.rb')
@@ -275,7 +279,9 @@ class Foo
   end
 
   context 'when configured with SpecSuffixOnly' do
-    let(:cop_config) { { 'SpecSuffixOnly' => true } }
+    let(:cop_config) do
+      { 'SpecSuffixOnly' => true }
+    end
 
     it 'does not register an offense for the described class' do
       expect_no_offenses(<<-RUBY, 'whatever_spec.rb')
diff --git a/spec/rubocop/cop/rspec/hook_argument_spec.rb b/spec/rubocop/cop/rspec/hook_argument_spec.rb
index c7f15cf40..b7818044f 100644
--- a/spec/rubocop/cop/rspec/hook_argument_spec.rb
+++ b/spec/rubocop/cop/rspec/hook_argument_spec.rb
@@ -36,7 +36,9 @@
   end
 
   context 'when EnforcedStyle is :implicit' do
-    let(:enforced_style) { :implicit }
+    let(:enforced_style) do
+      :implicit
+    end
 
     it 'detects :each for hooks' do
       expect_offense(<<-RUBY)
@@ -121,7 +123,9 @@
   end
 
   context 'when EnforcedStyle is :each' do
-    let(:enforced_style) { :each }
+    let(:enforced_style) do
+      :each
+    end
 
     it 'does not flag :each for hooks' do
       expect_no_offenses(<<-RUBY)
@@ -206,7 +210,9 @@
   end
 
   context 'when EnforcedStyle is :example' do
-    let(:enforced_style) { :example }
+    let(:enforced_style) do
+      :example
+    end
 
     it 'does not flag :example for hooks' do
       expect_no_offenses(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/implicit_subject_spec.rb b/spec/rubocop/cop/rspec/implicit_subject_spec.rb
index a4e37ae21..fb1df2665 100644
--- a/spec/rubocop/cop/rspec/implicit_subject_spec.rb
+++ b/spec/rubocop/cop/rspec/implicit_subject_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'with EnforcedStyle `single_line_only`' do
-    let(:enforced_style) { 'single_line_only' }
+    let(:enforced_style) do
+      'single_line_only'
+    end
 
     it 'flags `is_expected` in multi-line examples' do
       expect_offense(<<-RUBY)
@@ -88,7 +90,9 @@ def permits(actions)
   end
 
   context 'with EnforcedStyle `single_statement_only`' do
-    let(:enforced_style) { 'single_statement_only' }
+    let(:enforced_style) do
+      'single_statement_only'
+    end
 
     it 'allows `is_expected` in multi-line example with single statement' do
       expect_no_offenses(<<-RUBY)
@@ -117,7 +121,9 @@ def permits(actions)
   end
 
   context 'with EnforcedStyle `disallow`' do
-    let(:enforced_style) { 'disallow' }
+    let(:enforced_style) do
+      'disallow'
+    end
 
     it 'flags `is_expected` in multi-line examples' do
       expect_offense(<<-RUBY)
@@ -185,7 +191,9 @@ def permits(actions)
   end
 
   context 'with EnforcedStyle `require_implicit`' do
-    let(:enforced_style) { 'require_implicit' }
+    let(:enforced_style) do
+      'require_implicit'
+    end
 
     context 'with `is_expected`' do
       it 'does not register an offense' do
diff --git a/spec/rubocop/cop/rspec/it_behaves_like_spec.rb b/spec/rubocop/cop/rspec/it_behaves_like_spec.rb
index 5cf52274c..9bfb02e82 100644
--- a/spec/rubocop/cop/rspec/it_behaves_like_spec.rb
+++ b/spec/rubocop/cop/rspec/it_behaves_like_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'when the enforced style is `it_behaves_like`' do
-    let(:enforced_style) { :it_behaves_like }
+    let(:enforced_style) do
+      :it_behaves_like
+    end
 
     it 'flags a violation for it_should_behave_like' do
       expect_offense(<<-RUBY)
@@ -25,7 +27,9 @@
   end
 
   context 'when the enforced style is `it_should_behave_like`' do
-    let(:enforced_style) { :it_should_behave_like }
+    let(:enforced_style) do
+      :it_should_behave_like
+    end
 
     it 'flags a violation for it_behaves_like' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/memoized_helper_block_delimiter_spec.rb b/spec/rubocop/cop/rspec/memoized_helper_block_delimiter_spec.rb
new file mode 100644
index 000000000..bddda5687
--- /dev/null
+++ b/spec/rubocop/cop/rspec/memoized_helper_block_delimiter_spec.rb
@@ -0,0 +1,131 @@
+# frozen_string_literal: true
+
+RSpec.describe RuboCop::Cop::RSpec::MemoizedHelperBlockDelimiter do
+  let(:cop_config) do
+    { 'EnforcedStyle' => enforced_style }
+  end
+
+  context 'when EnforcedStyle is :braces' do
+    let(:enforced_style) do
+      :braces
+    end
+
+    context 'with braces style is used' do
+      it 'does not register an offense' do
+        expect_no_offenses(<<~RUBY)
+          let(:foo) {
+            'bar'
+          }
+        RUBY
+      end
+    end
+
+    context 'with do_end style is used' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          let(:foo) do
+                    ^^ Use braces style block delimiters.
+            'bar'
+          end
+        RUBY
+
+        expect_no_corrections
+      end
+    end
+
+    context 'with do_end style is used with rescue' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          let(:foo) do
+                    ^^ Use braces style block delimiters.
+            'bar'
+          rescue
+            'baz'
+          end
+        RUBY
+
+        expect_no_corrections
+      end
+    end
+  end
+
+  context 'when EnforcedStyle is :do_end' do
+    let(:enforced_style) do
+      :do_end
+    end
+
+    context 'when do_end style is used' do
+      it 'does not register an offense' do
+        expect_no_offenses(<<~RUBY)
+          let(:foo) do
+            'bar'
+          end
+        RUBY
+      end
+    end
+
+    context 'when braces style is used on `let`' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          let(:foo) {
+                    ^ Use do_end style block delimiters.
+            'bar'
+          }
+        RUBY
+
+        expect_correction(<<~RUBY)
+          let(:foo) do
+            'bar'
+          end
+        RUBY
+      end
+    end
+
+    context 'when braces style is used on `subject`' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          subject(:foo) {
+                        ^ Use do_end style block delimiters.
+            'bar'
+          }
+        RUBY
+
+        expect_correction(<<~RUBY)
+          subject(:foo) do
+            'bar'
+          end
+        RUBY
+      end
+    end
+
+    context 'when braces style is used in one-line style' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          let(:foo) { 'bar' }
+                    ^^^^^^^^^ Use do_end style block delimiters.
+        RUBY
+
+        expect_correction(<<~RUBY)
+          let(:foo) do
+           'bar'#{' '}
+          end
+        RUBY
+      end
+    end
+
+    context 'when braces style is used in without spaces' do
+      it 'registers an offense' do
+        expect_offense(<<~RUBY)
+          let(:foo){'bar'}
+                   ^^^^^^^ Use do_end style block delimiters.
+        RUBY
+
+        expect_correction(<<~RUBY)
+          let(:foo) do
+          'bar'
+          end
+        RUBY
+      end
+    end
+  end
+end
diff --git a/spec/rubocop/cop/rspec/multiple_expectations_spec.rb b/spec/rubocop/cop/rspec/multiple_expectations_spec.rb
index 9a3e2bd95..68780cbb0 100644
--- a/spec/rubocop/cop/rspec/multiple_expectations_spec.rb
+++ b/spec/rubocop/cop/rspec/multiple_expectations_spec.rb
@@ -2,7 +2,9 @@
 
 RSpec.describe RuboCop::Cop::RSpec::MultipleExpectations do
   context 'without configuration' do
-    let(:cop_config) { {} }
+    let(:cop_config) do
+      {}
+    end
 
     it 'flags multiple expectations' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/multiple_memoized_helpers_spec.rb b/spec/rubocop/cop/rspec/multiple_memoized_helpers_spec.rb
index 8d73edd9a..527c849f3 100644
--- a/spec/rubocop/cop/rspec/multiple_memoized_helpers_spec.rb
+++ b/spec/rubocop/cop/rspec/multiple_memoized_helpers_spec.rb
@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::Cop::RSpec::MultipleMemoizedHelpers do
-  let(:cop_config) { { 'Max' => 1 } }
+  let(:cop_config) do
+    { 'Max' => 1 }
+  end
 
   it 'flags excessive `#let`' do
     expect_offense(<<~RUBY)
@@ -100,7 +102,9 @@
   end
 
   context 'when using AllowSubject configuration' do
-    let(:cop_config) { { 'Max' => 1, 'AllowSubject' => false } }
+    let(:cop_config) do
+      { 'Max' => 1, 'AllowSubject' => false }
+    end
 
     it 'flags `#subject` without name' do
       expect_offense(<<~RUBY)
diff --git a/spec/rubocop/cop/rspec/named_subject_spec.rb b/spec/rubocop/cop/rspec/named_subject_spec.rb
index 9dfd179af..2f9289de9 100644
--- a/spec/rubocop/cop/rspec/named_subject_spec.rb
+++ b/spec/rubocop/cop/rspec/named_subject_spec.rb
@@ -61,7 +61,9 @@ def foo
   end
 
   context 'when IgnoreSharedExamples is false' do
-    let(:cop_config) { { 'IgnoreSharedExamples' => false } }
+    let(:cop_config) do
+      { 'IgnoreSharedExamples' => false }
+    end
 
     it_behaves_like 'checking subject outside of shared examples'
 
@@ -92,7 +94,9 @@ def foo
   end
 
   context 'when IgnoreSharedExamples is true' do
-    let(:cop_config) { { 'IgnoreSharedExamples' => true } }
+    let(:cop_config) do
+      { 'IgnoreSharedExamples' => true }
+    end
 
     it_behaves_like 'checking subject outside of shared examples'
 
diff --git a/spec/rubocop/cop/rspec/nested_groups_spec.rb b/spec/rubocop/cop/rspec/nested_groups_spec.rb
index 622574faa..07d93dfe7 100644
--- a/spec/rubocop/cop/rspec/nested_groups_spec.rb
+++ b/spec/rubocop/cop/rspec/nested_groups_spec.rb
@@ -98,7 +98,9 @@ module MyNamespace
   end
 
   context 'when Max is configured as 2' do
-    let(:cop_config) { { 'Max' => '2' } }
+    let(:cop_config) do
+      { 'Max' => '2' }
+    end
 
     it 'flags two levels of nesting' do
       expect_offense(<<-RUBY)
@@ -117,7 +119,9 @@ module MyNamespace
   end
 
   context 'when configured with MaxNesting' do
-    let(:cop_config) { { 'MaxNesting' => '1' } }
+    let(:cop_config) do
+      { 'MaxNesting' => '1' }
+    end
 
     it 'emits a deprecation warning' do
       expect { inspect_source('describe(Foo) { }', 'foo_spec.rb') }
@@ -145,7 +149,9 @@ module MyNamespace
   end
 
   context 'when AllowedGroups is configured as' do
-    let(:cop_config) { { 'AllowedGroups' => ['path'] } }
+    let(:cop_config) do
+      { 'AllowedGroups' => ['path'] }
+    end
 
     it 'accept nested example groups defined inside `describe`' \
        'path is not counted' do
diff --git a/spec/rubocop/cop/rspec/no_expectation_example_spec.rb b/spec/rubocop/cop/rspec/no_expectation_example_spec.rb
index 74a7a923e..4403c1943 100644
--- a/spec/rubocop/cop/rspec/no_expectation_example_spec.rb
+++ b/spec/rubocop/cop/rspec/no_expectation_example_spec.rb
@@ -155,7 +155,9 @@
   end
 
   context 'when `AllowedPatterns: [^expect_]`' do
-    let(:cop_config) { { 'AllowedPatterns' => ['^expect_'] } }
+    let(:cop_config) do
+      { 'AllowedPatterns' => ['^expect_'] }
+    end
 
     context 'when only allowed pattern methods are used' do
       it 'registers no offenses' do
diff --git a/spec/rubocop/cop/rspec/not_to_not_spec.rb b/spec/rubocop/cop/rspec/not_to_not_spec.rb
index 8d8dc7be3..e75fb85a8 100644
--- a/spec/rubocop/cop/rspec/not_to_not_spec.rb
+++ b/spec/rubocop/cop/rspec/not_to_not_spec.rb
@@ -2,7 +2,9 @@
 
 RSpec.describe RuboCop::Cop::RSpec::NotToNot do
   context 'when EnforcedStyle is `not_to`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'not_to' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'not_to' }
+    end
 
     it 'detects the `to_not` offense' do
       expect_offense(<<-RUBY)
@@ -38,7 +40,9 @@
   end
 
   context 'when AcceptedMethod is `to_not`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'to_not' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'to_not' }
+    end
 
     it 'detects the `not_to` offense' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/predicate_matcher_spec.rb b/spec/rubocop/cop/rspec/predicate_matcher_spec.rb
index 9d179644a..e86bb940b 100644
--- a/spec/rubocop/cop/rspec/predicate_matcher_spec.rb
+++ b/spec/rubocop/cop/rspec/predicate_matcher_spec.rb
@@ -6,10 +6,14 @@
       'Strict' => strict,
       'AllowedExplicitMatchers' => allowed_explicit_matchers }
   end
-  let(:allowed_explicit_matchers) { [] }
+  let(:allowed_explicit_matchers) do
+    []
+  end
 
   context 'when enforced style is `inflected`' do
-    let(:enforced_style) { 'inflected' }
+    let(:enforced_style) do
+      'inflected'
+    end
 
     shared_examples 'inflected common' do
       it 'registers an offense for a predicate method in actual' do
@@ -164,7 +168,9 @@
     end
 
     context 'when strict is true' do
-      let(:strict) { true }
+      let(:strict) do
+        true
+      end
 
       include_examples 'inflected common'
 
@@ -180,7 +186,9 @@
     end
 
     context 'when strict is false' do
-      let(:strict) { false }
+      let(:strict) do
+        false
+      end
 
       include_examples 'inflected common'
 
@@ -221,7 +229,9 @@
   end
 
   context 'when enforced style is `explicit`' do
-    let(:enforced_style) { 'explicit' }
+    let(:enforced_style) do
+      'explicit'
+    end
 
     shared_examples 'explicit common' do
       it 'registers an offense for a predicate mather' do
@@ -271,7 +281,9 @@
       end
 
       context 'when custom matchers are allowed' do
-        let(:allowed_explicit_matchers) { ['have_http_status'] }
+        let(:allowed_explicit_matchers) do
+          ['have_http_status']
+        end
 
         it 'accepts custom allowed explicit matchers' do
           expect_no_offenses(<<-RUBY)
@@ -348,14 +360,18 @@
     end
 
     context 'when strict is true' do
-      let(:strict) { true }
+      let(:strict) do
+        true
+      end
 
       include_examples 'explicit common'
       include_examples 'explicit autocorrect', 'be(true)', 'be(false)'
     end
 
     context 'when strict is false' do
-      let(:strict) { false }
+      let(:strict) do
+        false
+      end
 
       include_examples 'explicit common'
       include_examples 'explicit autocorrect', 'be_truthy', 'be_falsey'
diff --git a/spec/rubocop/cop/rspec/rails/http_status_spec.rb b/spec/rubocop/cop/rspec/rails/http_status_spec.rb
index e3523bd4b..5e69b443c 100644
--- a/spec/rubocop/cop/rspec/rails/http_status_spec.rb
+++ b/spec/rubocop/cop/rspec/rails/http_status_spec.rb
@@ -2,7 +2,9 @@
 
 RSpec.describe RuboCop::Cop::RSpec::Rails::HttpStatus do
   context 'when EnforcedStyle is `symbolic`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'symbolic' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'symbolic' }
+    end
 
     it 'registers an offense when using numeric value' do
       expect_offense(<<-RUBY)
@@ -42,7 +44,9 @@
   end
 
   context 'when EnforcedStyle is `numeric`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'numeric' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'numeric' }
+    end
 
     it 'registers an offense when using symbolic value' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/return_from_stub_spec.rb b/spec/rubocop/cop/rspec/return_from_stub_spec.rb
index 5af3ca1bd..9c65ea872 100644
--- a/spec/rubocop/cop/rspec/return_from_stub_spec.rb
+++ b/spec/rubocop/cop/rspec/return_from_stub_spec.rb
@@ -6,7 +6,9 @@
   end
 
   context 'with EnforcedStyle `and_return`' do
-    let(:enforced_style) { 'and_return' }
+    let(:enforced_style) do
+      'and_return'
+    end
 
     it 'finds static values returned from block' do
       expect_offense(<<-RUBY)
@@ -194,7 +196,9 @@ def stub_foo
   end
 
   context 'with EnforcedStyle `block`' do
-    let(:enforced_style) { 'block' }
+    let(:enforced_style) do
+      'block'
+    end
 
     it 'registers an offense for static values returned from method' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/cop/rspec/variable_definition_spec.rb b/spec/rubocop/cop/rspec/variable_definition_spec.rb
index dda1c810f..2488535a9 100644
--- a/spec/rubocop/cop/rspec/variable_definition_spec.rb
+++ b/spec/rubocop/cop/rspec/variable_definition_spec.rb
@@ -2,7 +2,9 @@
 
 RSpec.describe RuboCop::Cop::RSpec::VariableDefinition do
   context 'when EnforcedStyle is `symbols`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'symbols' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'symbols' }
+    end
 
     it 'registers an offense for string name' do
       expect_offense(<<~RUBY)
@@ -36,7 +38,9 @@
   end
 
   context 'when EnforcedStyle is `strings`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'strings' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'strings' }
+    end
 
     it 'registers an offense for symbol name' do
       expect_offense(<<~RUBY)
diff --git a/spec/rubocop/cop/rspec/variable_name_spec.rb b/spec/rubocop/cop/rspec/variable_name_spec.rb
index 199094cc5..5512eb856 100644
--- a/spec/rubocop/cop/rspec/variable_name_spec.rb
+++ b/spec/rubocop/cop/rspec/variable_name_spec.rb
@@ -2,7 +2,9 @@
 
 RSpec.describe RuboCop::Cop::RSpec::VariableName do
   context 'when configured for `snake_case`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'snake_case' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'snake_case' }
+    end
 
     context 'when `let` with symbol names' do
       it 'registers an offense for camelCase' do
@@ -126,7 +128,9 @@
   end
 
   context 'when configured for `camelCase`' do
-    let(:cop_config) { { 'EnforcedStyle' => 'camelCase' } }
+    let(:cop_config) do
+      { 'EnforcedStyle' => 'camelCase' }
+    end
 
     context 'when `let`' do
       it 'registers an offense for snake_case' do
diff --git a/spec/rubocop/cop/rspec/verified_doubles_spec.rb b/spec/rubocop/cop/rspec/verified_doubles_spec.rb
index 13e2f679f..3e2e20733 100644
--- a/spec/rubocop/cop/rspec/verified_doubles_spec.rb
+++ b/spec/rubocop/cop/rspec/verified_doubles_spec.rb
@@ -11,7 +11,9 @@
   end
 
   context 'when configuration does not specify IgnoreSymbolicNames' do
-    let(:cop_config) { {} }
+    let(:cop_config) do
+      {}
+    end
 
     it 'find doubles whose name is a symbol' do
       expect_offense(<<-RUBY)
@@ -33,7 +35,9 @@
   end
 
   context 'when configured to ignore symbolic names' do
-    let(:cop_config) { { 'IgnoreSymbolicNames' => true } }
+    let(:cop_config) do
+      { 'IgnoreSymbolicNames' => true }
+    end
 
     it 'ignores doubles whose name is a symbol' do
       expect_no_offenses(<<-RUBY)
@@ -54,7 +58,9 @@
   end
 
   context 'when configured not to ignore nameless doubles' do
-    let(:cop_config) { { 'IgnoreNameless' => false } }
+    let(:cop_config) do
+      { 'IgnoreNameless' => false }
+    end
 
     it 'flags doubles that have no name specified' do
       expect_offense(<<-RUBY)
diff --git a/spec/rubocop/rspec/example_group_spec.rb b/spec/rubocop/rspec/example_group_spec.rb
index 78869cb1f..f180abbc2 100644
--- a/spec/rubocop/rspec/example_group_spec.rb
+++ b/spec/rubocop/rspec/example_group_spec.rb
@@ -3,9 +3,13 @@
 RSpec.describe RuboCop::RSpec::ExampleGroup, :config do
   include RuboCop::AST::Sexp
 
-  subject(:group) { described_class.new(parse_source(source).ast) }
+  subject(:group) do
+    described_class.new(parse_source(source).ast)
+  end
 
-  let(:cop_class) { RuboCop::Cop::RSpec::Base }
+  let(:cop_class) do
+    RuboCop::Cop::RSpec::Base
+  end
 
   let(:source) do
     <<-RUBY
diff --git a/spec/rubocop/rspec/example_spec.rb b/spec/rubocop/rspec/example_spec.rb
index 8020c7ab5..356c71a25 100644
--- a/spec/rubocop/rspec/example_spec.rb
+++ b/spec/rubocop/rspec/example_spec.rb
@@ -3,7 +3,9 @@
 RSpec.describe RuboCop::RSpec::Example, :config do
   include RuboCop::AST::Sexp
 
-  let(:cop_class) { RuboCop::Cop::RSpec::Base }
+  let(:cop_class) do
+    RuboCop::Cop::RSpec::Base
+  end
 
   # Trigger setting of the `Language` in the case when this spec
   # runs before cops' specs that set it.
diff --git a/spec/rubocop/rspec/hook_spec.rb b/spec/rubocop/rspec/hook_spec.rb
index dffb7d63d..6b3b19899 100644
--- a/spec/rubocop/rspec/hook_spec.rb
+++ b/spec/rubocop/rspec/hook_spec.rb
@@ -3,7 +3,9 @@
 RSpec.describe RuboCop::RSpec::Hook, :config do
   include RuboCop::AST::Sexp
 
-  let(:cop_class) { RuboCop::Cop::RSpec::Base }
+  let(:cop_class) do
+    RuboCop::Cop::RSpec::Base
+  end
 
   # Trigger setting of the `Language` in the case when this spec
   # runs before cops' specs that set it.
diff --git a/spec/rubocop/rspec/wording_spec.rb b/spec/rubocop/rspec/wording_spec.rb
index 80f7c8a43..3fb79921e 100644
--- a/spec/rubocop/rspec/wording_spec.rb
+++ b/spec/rubocop/rspec/wording_spec.rb
@@ -1,8 +1,12 @@
 # frozen_string_literal: true
 
 RSpec.describe RuboCop::RSpec::Wording do
-  let(:replacements) { { 'have' => 'has' } }
-  let(:ignores)      { %w[only really]     }
+  let(:replacements) do
+    { 'have' => 'has' }
+  end
+  let(:ignores) do
+    %w[only really]
+  end
 
   expected_rewrites =
     {
diff --git a/spec/shared/smoke_test_examples.rb b/spec/shared/smoke_test_examples.rb
index 85591467c..98249a360 100644
--- a/spec/shared/smoke_test_examples.rb
+++ b/spec/shared/smoke_test_examples.rb
@@ -6,7 +6,9 @@
     # (so it is referenced in the 'config' shared context) but do not define
     # all of the dependent configuration options until inside of a context
     # that is out of scope, causing a NameError.
-    let(:cop_config) { {} }
+    let(:cop_config) do
+      {}
+    end
 
     stress_tests = Pathname.glob('spec/smoke_tests/*.rb')