diff --git a/ethon.gemspec b/ethon.gemspec
index ed6c1ef8..9cfe0c9f 100644
--- a/ethon.gemspec
+++ b/ethon.gemspec
@@ -1,4 +1,3 @@
-# encoding: utf-8
 # frozen_string_literal: true
 lib = File.expand_path('../lib/', __FILE__)
 $:.unshift lib unless $:.include?(lib)
diff --git a/lib/ethon/loggable.rb b/lib/ethon/loggable.rb
index 02b74781..69821c11 100644
--- a/lib/ethon/loggable.rb
+++ b/lib/ethon/loggable.rb
@@ -1,4 +1,3 @@
-# encoding: utf-8
 # frozen_string_literal: true
 module Ethon
 
diff --git a/profile/benchmarks.rb b/profile/benchmarks.rb
index 6cd68ca0..66a74bc4 100644
--- a/profile/benchmarks.rb
+++ b/profile/benchmarks.rb
@@ -1,4 +1,3 @@
-# encoding: utf-8
 # frozen_string_literal: true
 require 'ethon'
 require 'open-uri'
diff --git a/spec/ethon/easy/queryable_spec.rb b/spec/ethon/easy/queryable_spec.rb
index 89c4d115..99618a16 100644
--- a/spec/ethon/easy/queryable_spec.rb
+++ b/spec/ethon/easy/queryable_spec.rb
@@ -1,4 +1,3 @@
-# encoding: utf-8
 # frozen_string_literal: true
 require 'spec_helper'
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 55bc9ecb..6bf08cc0 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -7,13 +7,8 @@
 require "ethon"
 require 'rspec'
 
-if defined? require_relative
-  require_relative 'support/localhost_server'
-  require_relative 'support/server'
-else
-  require 'support/localhost_server'
-  require 'support/server'
-end
+require_relative 'support/localhost_server'
+require_relative 'support/server'
 
 # Ethon.logger = Logger.new($stdout).tap do |log|
 #   log.level = Logger::DEBUG