diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index a0cfe9357..79b1b9aca 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -19,15 +19,15 @@ jobs:
 
     strategy:
       matrix:
-        jruby_version: [ '9.4.14.0', '10.0.2.0' ]
+        jruby_version: [ '9.4.14.0', '10.0.3.0' ]
         java_version: [ '8', '11', '17', '21', '25' ]
         rack_version: [ '~> 2.2.0' ]
         exclude:
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '8'  # JRuby 10 requires Java 21
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '11' # JRuby 10 requires Java 21
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '17' # JRuby 10 requires Java 21
       fail-fast: false
 
@@ -59,20 +59,19 @@ jobs:
     strategy:
       matrix:
         appraisal: [
-          'rails61_rack22',
           'rails70_rack22',
           'rails71_rack22',
           'rails72_rack22',
           'rails80_rack22',
         ]
-        jruby_version: [ '9.4.14.0', '10.0.2.0' ]
+        jruby_version: [ '9.4.14.0', '10.0.3.0' ]
         java_version: [ '8', '11', '17', '21', '25' ]
         exclude:
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '8'  # JRuby 10 requires Java 21
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '11' # JRuby 10 requires Java 21
-          - jruby_version: '10.0.2.0'
+          - jruby_version: '10.0.3.0'
             java_version: '17' # JRuby 10 requires Java 21
           - appraisal: 'rails80_rack22'
             jruby_version: '9.4.14.0' # Rails 8 requires Ruby 3.4 compatibility, which JRuby 9.4 does not support
diff --git a/Appraisals b/Appraisals
index dd04ccfa3..3275e1525 100644
--- a/Appraisals
+++ b/Appraisals
@@ -3,7 +3,6 @@ version_spec = ->(prefix, desc) { "~> #{desc.split(prefix).last.insert(1, ".")}.
 # Rails version -> rack versions in format
 # rails#{MAJOR}#{MINOR} => %w[ rack#{MAJOR}#{MINOR} ]
 {
-    "rails61" => %w[rack22],
     "rails70" => %w[rack22],
     "rails71" => %w[rack22],
     "rails72" => %w[rack22],
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 358223474..8646ccf48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
 
 Breaking compatibility changes
 - Drop support for JRuby 9.3
-- Drop support for Rails < 6.1
+- Drop support for Rails < 7.0
 
 Breaking behavioral changes
 - Change context listener to throw by default in case of an exception during initialization
diff --git a/README.md b/README.md
index 48158b501..1b7bf0e7c 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,13 @@ For more information on Rack, visit http://rack.github.io/.
 
 ## Compatibility
 
-| JRuby-Rack Series                                          | Status     | Rack      | JRuby      | Java | Rails     | Target Servlet API  | Notes                                      |
-|------------------------------------------------------------|------------|-----------|------------|------|-----------|---------------------|--------------------------------------------|
-| 2.0 (_planned_)                                            | Dev        | 2.2       | 9.4 → 10.0 | 8+   | 6.1 → 8.0 | 5.0+ (Jakarta EE 9) | Pre 5.0 servlet APIs non functional.       |
-| 1.3 (master, _unreleased_)                                 | Dev        | 2.2       | 9.4 → 10.0 | 8+   | 6.1 → 8.0 | 4.0 (Java EE 8)     | Servlet 2.5 → 3.1 likely to work fine.     |
-| [1.2](https://github.com/jruby/jruby-rack/tree/1.2-stable) | Maintained | 2.2       | 9.3 → 9.4  | 8+   | 5.0 → 7.2 | 3.0 (Java EE 6)     | Servlet 3.1 → 4.0 OK with some containers. |
-| [1.1](https://github.com/jruby/jruby-rack/tree/1.1-stable) | EOL        | 1.x → 2.2 | 1.6 → 9.4  | 6+   | 2.1 → 5.2 | 2.5 (Java EE 5)     | Servlet 3.0 → 4.0 OK with some containers. |
-| 1.0                                                        | EOL        | 0.9 → 1.x | 1.1 → 1.9  | 5+   | 2.1 → 3.x | 2.5 (Java EE 5)     |                                            |
+| JRuby-Rack Series                                              | Status        | Rack      | JRuby      | Java | Rails     | Target Servlet API  | Notes                                                          |
+|----------------------------------------------------------------|---------------|-----------|------------|------|-----------|---------------------|----------------------------------------------------------------|
+| **2.0 (_planned_, _unreleased_)**                              | Dev           | 2.2       | 9.4 → 10.0 | 8+   | 7.0 → 8.0 | 5.0+ (Jakarta EE 9) | ❌ Servlet < 5.0 containers will not work                       |
+| **1.3 (master, _unreleased_)**                                 | Dev           | 2.2       | 9.4 → 10.0 | 8+   | 7.0 → 8.0 | 4.0 (Java EE 8)     | ✅ _Unofficial_: Servlet 2.5 → 3.1 & Rails 6.1 likely working   |
+| [**1.2**](https://github.com/jruby/jruby-rack/tree/1.2-stable) | Maintained    | 2.2       | 9.3 → 9.4  | 8+   | 5.0 → 7.2 | 3.0 (Java EE 6)     | ✅ _Unofficial_: Servlet 3.1 → 4.0 also OK with most containers |
+| [**1.1**](https://github.com/jruby/jruby-rack/tree/1.1-stable) | EOL @ 2024-05 | 1.x → 2.2 | 1.6 → 9.4  | 6+   | 2.1 → 5.2 | 2.5 (Java EE 5)     | ✅ _Unofficial_: Servlet 3.0 → 4.0 also OK with most containers |
+| [**1.0**](https://github.com/jruby/jruby-rack/tree/1.0.10)     | EOL @ 2011-11 | 0.9 → 1.x | 1.1 → 1.9  | 5+   | 2.1 → 3.x | 2.5 (Java EE 5)     |                                                                |
 
 ## Getting Started
 
diff --git a/src/spec/ruby/jruby/rack/integration_spec.rb b/src/spec/ruby/jruby/rack/integration_spec.rb
index 1ba98724f..561d91f92 100644
--- a/src/spec/ruby/jruby/rack/integration_spec.rb
+++ b/src/spec/ruby/jruby/rack/integration_spec.rb
@@ -203,10 +203,6 @@
     end
   end
 
-  describe 'rails 6.1', lib: :rails61 do
-    it_should_behave_like 'a rails app'
-  end
-
   describe 'rails 7.0', lib: :rails70 do
     it_should_behave_like 'a rails app'
   end
diff --git a/src/spec/stub/rails61/app/controllers/application_controller.rb b/src/spec/stub/rails61/app/controllers/application_controller.rb
deleted file mode 100644
index 09705d12a..000000000
--- a/src/spec/stub/rails61/app/controllers/application_controller.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-class ApplicationController < ActionController::Base
-end
diff --git a/src/spec/stub/rails61/app/helpers/application_helper.rb b/src/spec/stub/rails61/app/helpers/application_helper.rb
deleted file mode 100644
index de6be7945..000000000
--- a/src/spec/stub/rails61/app/helpers/application_helper.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-module ApplicationHelper
-end
diff --git a/src/spec/stub/rails61/config/application.rb b/src/spec/stub/rails61/config/application.rb
deleted file mode 100644
index 9f1353e94..000000000
--- a/src/spec/stub/rails61/config/application.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-require_relative "boot"
-
-require "rails"
-# Pick the frameworks you want:
-require "active_model/railtie"
-# require "active_job/railtie"
-# require "active_record/railtie"
-# require "active_storage/engine"
-require "action_controller/railtie"
-# require "action_mailer/railtie"
-# require "action_mailbox/engine"
-# require "action_text/engine"
-require "action_view/railtie"
-# require "action_cable/engine"
-# require "sprockets/railtie"
-# require "rails/test_unit/railtie"
-
-# Require the gems listed in Gemfile, including any gems
-# you've limited to :test, :development, or :production.
-Bundler.require(*Rails.groups)
-
-module Rails61
-  class Application < Rails::Application
-    # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
-
-    # Configuration for the application, engines, and railties goes here.
-    #
-    # These settings can be overridden in specific environments using the files
-    # in config/environments, which are processed later.
-    #
-    # config.time_zone = "Central Time (US & Canada)"
-    # config.eager_load_paths << Rails.root.join("extras")
-
-    # Don't generate system test files.
-    config.generators.system_tests = nil
-  end
-end
diff --git a/src/spec/stub/rails61/config/boot.rb b/src/spec/stub/rails61/config/boot.rb
deleted file mode 100644
index 9e68e5f0c..000000000
--- a/src/spec/stub/rails61/config/boot.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
-
-require "bundler/setup" # Set up gems listed in the Gemfile.
-
-# workaround for https://github.com/ruby-concurrency/concurrent-ruby/issues/1077 since https://github.com/rails/rails/pull/54264 wont be backported earlier than 7.1.
-require "logger"
diff --git a/src/spec/stub/rails61/config/credentials.yml.enc b/src/spec/stub/rails61/config/credentials.yml.enc
deleted file mode 100644
index 617e129f3..000000000
--- a/src/spec/stub/rails61/config/credentials.yml.enc
+++ /dev/null
@@ -1 +0,0 @@
-h7j6TBtL1MQo4aye3KuFMJqXjsojY1IPfhda51j54oYS0xgUgqz+5wlsyq7mFhh549MUTEWxaYWm1bDOooOtMKrIuUzDkXfgyZLWyvhMtfGRbe74a/SGS+M8SDXN65XgeVcYpiZxIHmTeXj/FQ2t3nXjXkQV1g892+XFzgB1mYE59B6B1b21m0lVVSKMXHZhVguZEMnAB6sdVDIdQQA2xOFllnVcIdAvifHE0GYKgALCgdVeRDs1Ob3xZp0cXaZBqGl27lR1a+8MyR1ZDwZ08aysmtzY4koUE6JR5Auv3SBpVr0xXihTWZB55/H0b6t1SXiGRr06EnsM1libanIX1II36IBcsi4MOMLjj89KDUaLOTfbFMtcRMh+r7YHZEgIQksMVl6yxQVH3tjzlbgPXC5alj+sICKsh1ve--YuCA+1XrgTwmE0Oc--JvkiuzV70g4zSz7VF3/21w==
\ No newline at end of file
diff --git a/src/spec/stub/rails61/config/environment.rb b/src/spec/stub/rails61/config/environment.rb
deleted file mode 100644
index cac531577..000000000
--- a/src/spec/stub/rails61/config/environment.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# Load the Rails application.
-require_relative "application"
-
-# Initialize the Rails application.
-Rails.application.initialize!
diff --git a/src/spec/stub/rails61/config/environments/development.rb b/src/spec/stub/rails61/config/environments/development.rb
deleted file mode 100644
index 1181937f3..000000000
--- a/src/spec/stub/rails61/config/environments/development.rb
+++ /dev/null
@@ -1,55 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  # In the development environment your application's code is reloaded any time
-  # it changes. This slows down response time but is perfect for development
-  # since you don't have to restart the web server when you make code changes.
-  config.cache_classes = false
-
-  # Do not eager load code on boot.
-  config.eager_load = false
-
-  # Show full error reports.
-  config.consider_all_requests_local = true
-
-  # Enable/disable caching. By default caching is disabled.
-  # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
-    config.action_controller.perform_caching = true
-    config.action_controller.enable_fragment_cache_logging = true
-
-    config.cache_store = :memory_store
-    config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
-    }
-  else
-    config.action_controller.perform_caching = false
-
-    config.cache_store = :null_store
-  end
-
-  # Print deprecation notices to the Rails logger.
-  config.active_support.deprecation = :log
-
-  # Raise exceptions for disallowed deprecations.
-  config.active_support.disallowed_deprecation = :raise
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-
-  # Raises error for missing translations.
-  # config.i18n.raise_on_missing_translations = true
-
-  # Annotate rendered view with file names.
-  # config.action_view.annotate_rendered_view_with_filenames = true
-
-  # Use an evented file watcher to asynchronously detect changes in source code,
-  # routes, locales, etc. This feature depends on the listen gem.
-  # config.file_watcher = ActiveSupport::EventedFileUpdateChecker
-
-  # Uncomment if you wish to allow Action Cable access from any origin.
-  # config.action_cable.disable_request_forgery_protection = true
-end
diff --git a/src/spec/stub/rails61/config/environments/production.rb b/src/spec/stub/rails61/config/environments/production.rb
deleted file mode 100644
index 0d5988d60..000000000
--- a/src/spec/stub/rails61/config/environments/production.rb
+++ /dev/null
@@ -1,94 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  # Code is not reloaded between requests.
-  config.cache_classes = true
-
-  # Eager load code on boot. This eager loads most of Rails and
-  # your application in memory, allowing both threaded web servers
-  # and those relying on copy on write to perform better.
-  # Rake tasks automatically ignore this option for performance.
-  config.eager_load = true
-
-  # Full error reports are disabled and caching is turned on.
-  config.consider_all_requests_local       = false
-  config.action_controller.perform_caching = true
-
-  # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
-  # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
-  # config.require_master_key = true
-
-  # Disable serving static files from the `/public` folder by default since
-  # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
-
-  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.asset_host = 'http://assets.example.com'
-
-  # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
-
-  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
-  # config.force_ssl = true
-
-  # Include generic and useful information about system operation, but avoid logging too much
-  # information to avoid inadvertent exposure of personally identifiable information (PII).
-  config.log_level = :info
-
-  # Prepend all log lines with the following tags.
-  config.log_tags = [ :request_id ]
-
-  # Use a different cache store in production.
-  # config.cache_store = :mem_cache_store
-
-
-  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
-  # the I18n.default_locale when a translation cannot be found).
-  config.i18n.fallbacks = true
-
-  # Send deprecation notices to registered listeners.
-  config.active_support.deprecation = :notify
-
-  # Log disallowed deprecations.
-  config.active_support.disallowed_deprecation = :log
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-  # Use default logging formatter so that PID and timestamp are not suppressed.
-  config.log_formatter = ::Logger::Formatter.new
-
-  # Use a different logger for distributed setups.
-  # require "syslog/logger"
-  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
-
-  if ENV["RAILS_LOG_TO_STDOUT"].present?
-    logger           = ActiveSupport::Logger.new(STDOUT)
-    logger.formatter = config.log_formatter
-    config.logger    = ActiveSupport::TaggedLogging.new(logger)
-  end
-
-  # Inserts middleware to perform automatic connection switching.
-  # The `database_selector` hash is used to pass options to the DatabaseSelector
-  # middleware. The `delay` is used to determine how long to wait after a write
-  # to send a subsequent read to the primary.
-  #
-  # The `database_resolver` class is used by the middleware to determine which
-  # database is appropriate to use based on the time delay.
-  #
-  # The `database_resolver_context` class is used by the middleware to set
-  # timestamps for the last write to the primary. The resolver uses the context
-  # class timestamps to determine how long to wait before reading from the
-  # replica.
-  #
-  # By default Rails will store a last write timestamp in the session. The
-  # DatabaseSelector middleware is designed as such you can define your own
-  # strategy for connection switching and pass that into the middleware through
-  # these configuration options.
-  # config.active_record.database_selector = { delay: 2.seconds }
-  # config.active_record.database_resolver = ActiveRecord::Middleware::DatabaseSelector::Resolver
-  # config.active_record.database_resolver_context = ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
-end
diff --git a/src/spec/stub/rails61/config/environments/test.rb b/src/spec/stub/rails61/config/environments/test.rb
deleted file mode 100644
index 9fa79ddf0..000000000
--- a/src/spec/stub/rails61/config/environments/test.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-require "active_support/core_ext/integer/time"
-
-# The test environment is used exclusively to run your application's
-# test suite. You never need to work with it otherwise. Remember that
-# your test database is "scratch space" for the test suite and is wiped
-# and recreated between test runs. Don't rely on the data there!
-
-Rails.application.configure do
-  # Settings specified here will take precedence over those in config/application.rb.
-
-  config.cache_classes = true
-
-  # Do not eager load code on boot. This avoids loading your whole application
-  # just for the purpose of running a single test. If you are using a tool that
-  # preloads Rails for running tests, you may have to set it to true.
-  config.eager_load = false
-
-  # Configure public file server for tests with Cache-Control for performance.
-  config.public_file_server.enabled = true
-  config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
-  }
-
-  # Show full error reports and disable caching.
-  config.consider_all_requests_local       = true
-  config.action_controller.perform_caching = false
-  config.cache_store = :null_store
-
-  # Raise exceptions instead of rendering exception templates.
-  config.action_dispatch.show_exceptions = false
-
-  # Disable request forgery protection in test environment.
-  config.action_controller.allow_forgery_protection = false
-
-  # Print deprecation notices to the stderr.
-  config.active_support.deprecation = :stderr
-
-  # Raise exceptions for disallowed deprecations.
-  config.active_support.disallowed_deprecation = :raise
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
-
-  # Raises error for missing translations.
-  # config.i18n.raise_on_missing_translations = true
-
-  # Annotate rendered view with file names.
-  # config.action_view.annotate_rendered_view_with_filenames = true
-end
diff --git a/src/spec/stub/rails61/config/initializers/application_controller_renderer.rb b/src/spec/stub/rails61/config/initializers/application_controller_renderer.rb
deleted file mode 100644
index 89d2efab2..000000000
--- a/src/spec/stub/rails61/config/initializers/application_controller_renderer.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# ActiveSupport::Reloader.to_prepare do
-#   ApplicationController.renderer.defaults.merge!(
-#     http_host: 'example.org',
-#     https: false
-#   )
-# end
diff --git a/src/spec/stub/rails61/config/initializers/backtrace_silencers.rb b/src/spec/stub/rails61/config/initializers/backtrace_silencers.rb
deleted file mode 100644
index 33699c309..000000000
--- a/src/spec/stub/rails61/config/initializers/backtrace_silencers.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
-# Rails.backtrace_cleaner.add_silencer { |line| /my_noisy_library/.match?(line) }
-
-# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code
-# by setting BACKTRACE=1 before calling your invocation, like "BACKTRACE=1 ./bin/rails runner 'MyClass.perform'".
-Rails.backtrace_cleaner.remove_silencers! if ENV["BACKTRACE"]
diff --git a/src/spec/stub/rails61/config/initializers/content_security_policy.rb b/src/spec/stub/rails61/config/initializers/content_security_policy.rb
deleted file mode 100644
index 41c43016f..000000000
--- a/src/spec/stub/rails61/config/initializers/content_security_policy.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Define an application-wide content security policy
-# For further information see the following documentation
-# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
-
-# Rails.application.config.content_security_policy do |policy|
-#   policy.default_src :self, :https
-#   policy.font_src    :self, :https, :data
-#   policy.img_src     :self, :https, :data
-#   policy.object_src  :none
-#   policy.script_src  :self, :https
-#   policy.style_src   :self, :https
-
-#   # Specify URI for violation reports
-#   # policy.report_uri "/csp-violation-report-endpoint"
-# end
-
-# If you are using UJS then enable automatic nonce generation
-# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
-
-# Set the nonce only to specific directives
-# Rails.application.config.content_security_policy_nonce_directives = %w(script-src)
-
-# Report CSP violations to a specified URI
-# For further information see the following documentation:
-# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
-# Rails.application.config.content_security_policy_report_only = true
diff --git a/src/spec/stub/rails61/config/initializers/cookies_serializer.rb b/src/spec/stub/rails61/config/initializers/cookies_serializer.rb
deleted file mode 100644
index 5a6a32d37..000000000
--- a/src/spec/stub/rails61/config/initializers/cookies_serializer.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Specify a serializer for the signed and encrypted cookie jars.
-# Valid options are :json, :marshal, and :hybrid.
-Rails.application.config.action_dispatch.cookies_serializer = :json
diff --git a/src/spec/stub/rails61/config/initializers/filter_parameter_logging.rb b/src/spec/stub/rails61/config/initializers/filter_parameter_logging.rb
deleted file mode 100644
index 4b34a0366..000000000
--- a/src/spec/stub/rails61/config/initializers/filter_parameter_logging.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Configure sensitive parameters which will be filtered from the log file.
-Rails.application.config.filter_parameters += [
-  :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
-]
diff --git a/src/spec/stub/rails61/config/initializers/inflections.rb b/src/spec/stub/rails61/config/initializers/inflections.rb
deleted file mode 100644
index ac033bf9d..000000000
--- a/src/spec/stub/rails61/config/initializers/inflections.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Add new inflection rules using the following format. Inflections
-# are locale specific, and you may define rules for as many different
-# locales as you wish. All of these examples are active by default:
-# ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.plural /^(ox)$/i, '\1en'
-#   inflect.singular /^(ox)en/i, '\1'
-#   inflect.irregular 'person', 'people'
-#   inflect.uncountable %w( fish sheep )
-# end
-
-# These inflection rules are supported but not enabled by default:
-# ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.acronym 'RESTful'
-# end
diff --git a/src/spec/stub/rails61/config/initializers/mime_types.rb b/src/spec/stub/rails61/config/initializers/mime_types.rb
deleted file mode 100644
index dc1899682..000000000
--- a/src/spec/stub/rails61/config/initializers/mime_types.rb
+++ /dev/null
@@ -1,4 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Add new mime types for use in respond_to blocks:
-# Mime::Type.register "text/richtext", :rtf
diff --git a/src/spec/stub/rails61/config/initializers/permissions_policy.rb b/src/spec/stub/rails61/config/initializers/permissions_policy.rb
deleted file mode 100644
index 00f64d71b..000000000
--- a/src/spec/stub/rails61/config/initializers/permissions_policy.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# Define an application-wide HTTP permissions policy. For further
-# information see https://developers.google.com/web/updates/2018/06/feature-policy
-#
-# Rails.application.config.permissions_policy do |f|
-#   f.camera      :none
-#   f.gyroscope   :none
-#   f.microphone  :none
-#   f.usb         :none
-#   f.fullscreen  :self
-#   f.payment     :self, "https://secure.example.com"
-# end
diff --git a/src/spec/stub/rails61/config/initializers/wrap_parameters.rb b/src/spec/stub/rails61/config/initializers/wrap_parameters.rb
deleted file mode 100644
index 633c1c889..000000000
--- a/src/spec/stub/rails61/config/initializers/wrap_parameters.rb
+++ /dev/null
@@ -1,9 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# This file contains settings for ActionController::ParamsWrapper which
-# is enabled by default.
-
-# Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
-ActiveSupport.on_load(:action_controller) do
-  wrap_parameters format: [:json]
-end
diff --git a/src/spec/stub/rails61/config/locales/en.yml b/src/spec/stub/rails61/config/locales/en.yml
deleted file mode 100644
index cf9b342d0..000000000
--- a/src/spec/stub/rails61/config/locales/en.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-# Files in the config/locales directory are used for internationalization
-# and are automatically loaded by Rails. If you want to use locales other
-# than English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t 'hello'
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t('hello') %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# The following keys must be escaped otherwise they will not be retrieved by
-# the default I18n backend:
-#
-# true, false, on, off, yes, no
-#
-# Instead, surround them with single quotes.
-#
-# en:
-#   'true': 'foo'
-#
-# To learn more, please read the Rails Internationalization guide
-# available at https://guides.rubyonrails.org/i18n.html.
-
-en:
-  hello: "Hello world"
diff --git a/src/spec/stub/rails61/config/master.key b/src/spec/stub/rails61/config/master.key
deleted file mode 100644
index bd61b157b..000000000
--- a/src/spec/stub/rails61/config/master.key
+++ /dev/null
@@ -1 +0,0 @@
-41965057759dc9068cf6c6ee8a971b61
\ No newline at end of file
diff --git a/src/spec/stub/rails61/config/routes.rb b/src/spec/stub/rails61/config/routes.rb
deleted file mode 100644
index c06383a17..000000000
--- a/src/spec/stub/rails61/config/routes.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-Rails.application.routes.draw do
-  # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
-end
diff --git a/src/spec/stub/rails61/public/robots.txt b/src/spec/stub/rails61/public/robots.txt
deleted file mode 100644
index c19f78ab6..000000000
--- a/src/spec/stub/rails61/public/robots.txt
+++ /dev/null
@@ -1 +0,0 @@
-# See https://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file