lib/rdoc/test_case.rb in rdoc-5.0.0.beta1 vs lib/rdoc/test_case.rb in rdoc-5.0.0.beta2

@@ -1,8 +1,6 @@
 # frozen_string_literal: false
-require 'rubygems'
-
 begin
   gem 'minitest', '~> 4.0' unless defined?(Test::Unit)
 rescue NoMethodError, Gem::LoadError
   # for ruby tests
 end
@@ -38,11 +36,9 @@
 
   def setup
     super
 
     @top_level = nil
-
-    @have_encoding = Object.const_defined? :Encoding
 
     @RM = RDoc::Markup
 
     RDoc::Markup::PreProcess.reset