diff --git a/Gemfile.lock b/Gemfile.lock
index 49e0ae7abe7..45748c6ba3a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,9 +221,6 @@ GEM
       tzinfo
     event_emitter (0.2.6)
     eventmachine (1.2.7)
-    eventmachine (1.2.7-java)
-    eventmachine (1.2.7-x64-mingw32)
-    eventmachine (1.2.7-x86-mingw32)
     execjs (2.7.0)
     faraday (1.3.0)
       faraday-net_http (~> 1.0)
@@ -291,14 +288,12 @@ GEM
     hiredis (0.6.3)
     hiredis (0.6.3-java)
     http_parser.rb (0.6.0)
-    http_parser.rb (0.6.0-java)
     httpclient (2.8.3)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     image_processing (1.12.1)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    jar-dependencies (0.4.1)
     jdbc-mysql (5.1.47)
     jdbc-postgres (42.2.14)
     jdbc-sqlite3 (3.28.0)
@@ -310,7 +305,6 @@ GEM
       mustache
       nokogiri
     libxml-ruby (3.2.1)
-    libxml-ruby (3.2.1-x64-mingw32)
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -368,8 +362,6 @@ GEM
     path_expander (1.1.0)
     pg (1.2.3)
     psych (3.3.1)
-    psych (3.3.1-java)
-      jar-dependencies (>= 0.1.7)
     public_suffix (4.0.6)
     puma (5.2.2)
       nio4r (~> 2.0)
diff --git a/actionpack/lib/abstract_controller/url_for.rb b/actionpack/lib/abstract_controller/url_for.rb
index bd74c27d3b8..b6591397232 100644
--- a/actionpack/lib/abstract_controller/url_for.rb
+++ b/actionpack/lib/abstract_controller/url_for.rb
@@ -22,12 +22,10 @@ module AbstractController
       end
 
       def action_methods
-        @action_methods ||= begin
-          if _routes
-            super - _routes.named_routes.helper_names
-          else
-            super
-          end
+        @action_methods ||= if _routes
+          super - _routes.named_routes.helper_names
+        else
+          super
         end
       end
     end
diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index 0064c8d5c77..e6e37c06f5c 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -258,12 +258,10 @@ module ActionDispatch
       #   req = ActionDispatch::Request.new 'HTTP_HOST' => 'example.com:8080'
       #   req.port # => 8080
       def port
-        @port ||= begin
-          if raw_host_with_port =~ /:(\d+)$/
-            $1.to_i
-          else
-            standard_port
-          end
+        @port ||= if raw_host_with_port =~ /:(\d+)$/
+          $1.to_i
+        else
+          standard_port
         end
       end
 
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb
index 2d80f912c81..4f109535be2 100644
--- a/activerecord/lib/active_record/associations/preloader/association.rb
+++ b/activerecord/lib/active_record/associations/preloader/association.rb
@@ -223,9 +223,7 @@ module ActiveRecord
           end
 
           def reflection_scope
-            @reflection_scope ||= begin
-              reflection.join_scopes(klass.arel_table, klass.predicate_builder, klass).inject(&:merge!) || klass.unscoped
-            end
+            @reflection_scope ||= reflection.join_scopes(klass.arel_table, klass.predicate_builder, klass).inject(&:merge!) || klass.unscoped
           end
 
           def build_scope
diff --git a/activerecord/lib/active_record/encryption/encrypted_attribute_type.rb b/activerecord/lib/active_record/encryption/encrypted_attribute_type.rb
index e948a190d11..9eb02c88721 100644
--- a/activerecord/lib/active_record/encryption/encrypted_attribute_type.rb
+++ b/activerecord/lib/active_record/encryption/encrypted_attribute_type.rb
@@ -119,9 +119,7 @@ module ActiveRecord
         end
 
         def clean_text_scheme
-          @clean_text_scheme ||= begin
-            ActiveRecord::Encryption::Scheme.new(downcase: downcase?, encryptor: ActiveRecord::Encryption::NullEncryptor.new)
-          end
+          @clean_text_scheme ||= ActiveRecord::Encryption::Scheme.new(downcase: downcase?, encryptor: ActiveRecord::Encryption::NullEncryptor.new)
         end
     end
   end
diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb
index 18d50d1a14c..8e0fcb99b03 100644
--- a/activerecord/lib/active_record/inheritance.rb
+++ b/activerecord/lib/active_record/inheritance.rb
@@ -260,19 +260,17 @@ module ActiveRecord
         end
 
         def set_base_class # :nodoc:
-          @base_class = begin
-            if self == Base
+          @base_class = if self == Base
+            self
+          else
+            unless self < Base
+              raise ActiveRecordError, "#{name} doesn't belong in a hierarchy descending from ActiveRecord"
+            end
+
+            if superclass == Base || superclass.abstract_class?
               self
             else
-              unless self < Base
-                raise ActiveRecordError, "#{name} doesn't belong in a hierarchy descending from ActiveRecord"
-              end
-
-              if superclass == Base || superclass.abstract_class?
-                self
-              else
-                superclass.base_class
-              end
+              superclass.base_class
             end
           end
         end
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 1e4c1747759..cd11cd71d53 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -698,16 +698,14 @@ module ActiveRecord
     #   User.where(name: 'Oscar').to_sql
     #   # => SELECT "users".* FROM "users"  WHERE "users"."name" = 'Oscar'
     def to_sql
-      @to_sql ||= begin
-        if eager_loading?
-          apply_join_dependency do |relation, join_dependency|
-            relation = join_dependency.apply_column_aliases(relation)
-            relation.to_sql
-          end
-        else
-          conn = klass.connection
-          conn.unprepared_statement { conn.to_sql(arel) }
+      @to_sql ||= if eager_loading?
+        apply_join_dependency do |relation, join_dependency|
+          relation = join_dependency.apply_column_aliases(relation)
+          relation.to_sql
         end
+      else
+        conn = klass.connection
+        conn.unprepared_statement { conn.to_sql(arel) }
       end
     end
 
diff --git a/activesupport/test/core_ext/module_test.rb b/activesupport/test/core_ext/module_test.rb
index 4f461b9aa0f..07a680cd1c8 100644
--- a/activesupport/test/core_ext/module_test.rb
+++ b/activesupport/test/core_ext/module_test.rb
@@ -63,15 +63,11 @@ Product = Struct.new(:name) do
   delegate :name, to: :type, prefix: true
 
   def manufacturer
-    @manufacturer ||= begin
-      nil.unknown_method
-    end
+    @manufacturer ||= nil.unknown_method
   end
 
   def type
-    @type ||= begin
-      nil.type_name
-    end
+    @type ||= nil.type_name
   end
 end
 
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index ca37ed7dfa3..2957218d52c 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -259,8 +259,7 @@ module Rails
     # Stores some of the Rails initial environment parameters which
     # will be used by middlewares and engines to configure themselves.
     def env_config
-      @app_env_config ||= begin
-        super.merge(
+      @app_env_config ||= super.merge(
           "action_dispatch.parameter_filter" => config.filter_parameters,
           "action_dispatch.redirect_filter" => config.filter_redirect,
           "action_dispatch.secret_key_base" => secret_key_base,
@@ -288,7 +287,6 @@ module Rails
           "action_dispatch.content_security_policy_nonce_directives" => config.content_security_policy_nonce_directives,
           "action_dispatch.permissions_policy" => config.permissions_policy,
         )
-      end
     end
 
     # If you try to define a set of Rake tasks on the instance, these will get
diff --git a/railties/lib/rails/command/base.rb b/railties/lib/rails/command/base.rb
index 8b1874ae805..f17ae80063f 100644
--- a/railties/lib/rails/command/base.rb
+++ b/railties/lib/rails/command/base.rb
@@ -86,10 +86,8 @@ module Rails
         #
         #   Rails::Command::TestCommand.base_name # => 'rails'
         def base_name
-          @base_name ||= begin
-            if base = name.to_s.split("::").first
-              base.underscore
-            end
+          @base_name ||= if base = name.to_s.split("::").first
+            base.underscore
           end
         end
 
@@ -97,11 +95,9 @@ module Rails
         #
         #   Rails::Command::TestCommand.command_name # => 'test'
         def command_name
-          @command_name ||= begin
-            if command = name.to_s.split("::").last
-              command.chomp!("Command")
-              command.underscore
-            end
+          @command_name ||= if command = name.to_s.split("::").last
+            command.chomp!("Command")
+            command.underscore
           end
         end
 
diff --git a/railties/lib/rails/generators/actions/create_migration.rb b/railties/lib/rails/generators/actions/create_migration.rb
index dab494ed4db..6b37a983b22 100644
--- a/railties/lib/rails/generators/actions/create_migration.rb
+++ b/railties/lib/rails/generators/actions/create_migration.rb
@@ -39,10 +39,8 @@ module Rails
         end
 
         def existing_migration
-          @existing_migration ||= begin
-            @base.class.migration_exists?(migration_dir, migration_file_name) ||
+          @existing_migration ||= @base.class.migration_exists?(migration_dir, migration_file_name) ||
             File.exist?(@destination) && @destination
-          end
         end
         alias :exists? :existing_migration
 
diff --git a/railties/lib/rails/generators/base.rb b/railties/lib/rails/generators/base.rb
index f0868a64bf5..46f7f20d575 100644
--- a/railties/lib/rails/generators/base.rb
+++ b/railties/lib/rails/generators/base.rb
@@ -324,21 +324,17 @@ module Rails
 
         # Sets the base_name taking into account the current class namespace.
         def self.base_name # :doc:
-          @base_name ||= begin
-            if base = name.to_s.split("::").first
-              base.underscore
-            end
+          @base_name ||= if base = name.to_s.split("::").first
+            base.underscore
           end
         end
 
         # Removes the namespaces and get the generator name. For example,
         # Rails::Generators::ModelGenerator will return "model" as generator name.
         def self.generator_name # :doc:
-          @generator_name ||= begin
-            if generator = name.to_s.split("::").last
-              generator.delete_suffix!("Generator")
-              generator.underscore
-            end
+          @generator_name ||= if generator = name.to_s.split("::").last
+            generator.delete_suffix!("Generator")
+            generator.underscore
           end
         end