diff --git a/lib/generators/react_on_rails/base_generator.rb b/lib/generators/react_on_rails/base_generator.rb
index c926b1583..996305386 100644
--- a/lib/generators/react_on_rails/base_generator.rb
+++ b/lib/generators/react_on_rails/base_generator.rb
@@ -77,7 +77,7 @@ def add_base_gems_to_gemfile
       end
 
       def add_yarn_dependencies
-        major_minor_patch_only = /\A\d+\.\d+\.\d+\z/.freeze
+        major_minor_patch_only = /\A\d+\.\d+\.\d+\z/
         if ReactOnRails::VERSION.match?(major_minor_patch_only)
           run "yarn add react-on-rails@#{ReactOnRails::VERSION} --exact"
         else
diff --git a/lib/react_on_rails/packs_generator.rb b/lib/react_on_rails/packs_generator.rb
index 716681101..a48bf04c5 100644
--- a/lib/react_on_rails/packs_generator.rb
+++ b/lib/react_on_rails/packs_generator.rb
@@ -5,7 +5,7 @@
 module ReactOnRails
   # rubocop:disable Metrics/ClassLength
   class PacksGenerator
-    CONTAINS_CLIENT_OR_SERVER_REGEX = /\.(server|client)($|\.)/.freeze
+    CONTAINS_CLIENT_OR_SERVER_REGEX = /\.(server|client)($|\.)/
     MINIMUM_SHAKAPACKER_VERSION = [6, 5, 1].freeze
 
     def self.instance
diff --git a/lib/react_on_rails/utils.rb b/lib/react_on_rails/utils.rb
index e032ecae0..7f3529b98 100644
--- a/lib/react_on_rails/utils.rb
+++ b/lib/react_on_rails/utils.rb
@@ -189,7 +189,7 @@ def self.smart_trim(str, max_length = 1000)
       to_remove = str.length - max_length
       lstrip = (to_remove / 2.0).ceil
       rstrip = to_remove - lstrip
-      str[0..(midpoint - lstrip - 1)] + TRUNCATION_FILLER + str[(midpoint + rstrip)..-1]
+      str[0..(midpoint - lstrip - 1)] + TRUNCATION_FILLER + str[(midpoint + rstrip)..]
     end
 
     def self.find_most_recent_mtime(files)
diff --git a/lib/react_on_rails/version_checker.rb b/lib/react_on_rails/version_checker.rb
index e22c6d62d..93e1550f0 100644
--- a/lib/react_on_rails/version_checker.rb
+++ b/lib/react_on_rails/version_checker.rb
@@ -6,7 +6,7 @@ module ReactOnRails
   class VersionChecker
     attr_reader :node_package_version
 
-    MAJOR_MINOR_PATCH_VERSION_REGEX = /(\d+)\.(\d+)\.(\d+)/.freeze
+    MAJOR_MINOR_PATCH_VERSION_REGEX = /(\d+)\.(\d+)\.(\d+)/
 
     def self.build
       new(NodePackageVersion.build)
diff --git a/rakelib/examples.rake b/rakelib/examples.rake
index ddc0c201f..559f50b5a 100644
--- a/rakelib/examples.rake
+++ b/rakelib/examples.rake
@@ -15,7 +15,7 @@ namespace :examples do # rubocop:disable Metrics/BlockLength
   include ReactOnRails::TaskHelpers
   # Loads data from examples_config.yml and instantiates corresponding ExampleType objects
   examples_config_file = File.expand_path("examples_config.yml", __dir__)
-  examples_config = symbolize_keys(YAML.safe_load(File.read(examples_config_file)))
+  examples_config = symbolize_keys(YAML.safe_load_file(examples_config_file))
   examples_config[:example_type_data].each { |example_type_data| ExampleType.new(**symbolize_keys(example_type_data)) }
 
   # Define tasks for each example type
diff --git a/spec/dummy/spec/packs_generator_spec.rb b/spec/dummy/spec/packs_generator_spec.rb
index ff0d2cdd5..3fc078326 100644
--- a/spec/dummy/spec/packs_generator_spec.rb
+++ b/spec/dummy/spec/packs_generator_spec.rb
@@ -4,7 +4,7 @@
 
 # rubocop:disable Metrics/ModuleLength
 module ReactOnRails
-  GENERATED_PACKS_CONSOLE_OUTPUT_REGEX = /Generated Packs:/.freeze
+  GENERATED_PACKS_CONSOLE_OUTPUT_REGEX = /Generated Packs:/
 
   # rubocop:disable Metrics/BlockLength
   describe PacksGenerator do
diff --git a/spec/dummy/spec/rails_helper.rb b/spec/dummy/spec/rails_helper.rb
index a894911cb..3a9277fa7 100644
--- a/spec/dummy/spec/rails_helper.rb
+++ b/spec/dummy/spec/rails_helper.rb
@@ -38,7 +38,7 @@
 
 # Requires supporting files with custom matchers and macros, etc,
 # in ./support/ and its subdirectories.
-Dir[Rails.root.join("spec", "support", "**", "*.rb")].sort.each { |f| require f }
+Dir[Rails.root.join("spec", "support", "**", "*.rb")].each { |f| require f }
 
 RSpec.configure do |config|
   # Ensure that if we are running js tests, we are using latest webpack assets
diff --git a/spec/react_on_rails/support/generator_spec_helper.rb b/spec/react_on_rails/support/generator_spec_helper.rb
index f3f8f3545..ba0510667 100644
--- a/spec/react_on_rails/support/generator_spec_helper.rb
+++ b/spec/react_on_rails/support/generator_spec_helper.rb
@@ -4,9 +4,9 @@
 require_relative "../simplecov_helper"
 require "generator_spec/test_case"
 
-Dir["#{File.expand_path('../support/shared_examples', __dir__)}/*.rb"].sort.each { |file| require file }
+Dir["#{File.expand_path('../support/shared_examples', __dir__)}/*.rb"].each { |file| require file }
 generators_glob = File.expand_path("../../../lib/generators/react_on_rails/*_generator.rb", __dir__)
-Dir[generators_glob.to_s].sort.each { |file| require file }
+Dir[generators_glob.to_s].each { |file| require file }
 include ReactOnRails::Generators # rubocop:disable Style/MixinUsage
 
 RSpec.configure do |config|