The modern Ruby uses utf-8 encodings by default

Author: hsbt

json-java.gemspec

@@ -1,5 +1,3 @@
-# -*- encoding: utf-8 -*-
-
 spec = Gem::Specification.new do |s|
   s.name = "json"
   s.version = File.read("VERSION").chomp

json.gemspec

@@ -1,5 +1,3 @@
-# -*- encoding: utf-8 -*-
-
 Gem::Specification.new do |s|
   s.name = "json"
   s.version = File.read(File.expand_path('../VERSION', __FILE__)).chomp

json_pure.gemspec

@@ -1,5 +1,3 @@
-# -*- encoding: utf-8 -*-
-
 Gem::Specification.new do |s|
   s.name = "json_pure".freeze
   s.version = File.read("VERSION").chomp

tests/json_encoding_test.rb

@@ -1,4 +1,3 @@
-# encoding: utf-8
 #frozen_string_literal: false
 require_relative 'test_helper'
 

tests/json_generator_test.rb

@@ -1,5 +1,4 @@
 #!/usr/bin/env ruby
-# encoding: utf-8
 # frozen_string_literal: false
 
 require_relative 'test_helper'

tests/ractor_test.rb

@@ -1,4 +1,3 @@
-# encoding: utf-8
 # frozen_string_literal: false
 
 require_relative 'test_helper'

tools/server.rb

@@ -1,5 +1,4 @@
 #!/usr/bin/env ruby
-# encoding: utf-8
 
 require 'webrick'
 include WEBrick