Rakefile in rubocop-minitest-0.15.0 vs Rakefile in rubocop-minitest-0.15.1

@@ -22,15 +22,10 @@
   t.libs << 'lib'
   t.test_files = FileList['test/**/*_test.rb']
 end
 
 desc 'Run RuboCop over itself'
-RuboCop::RakeTask.new(:internal_investigation).tap do |task|
-  if RUBY_ENGINE == 'ruby' &&
-     RbConfig::CONFIG['host_os'] !~ /mswin|msys|mingw|cygwin|bccwin|wince|emc/
-    task.options = %w[--parallel]
-  end
-end
+RuboCop::RakeTask.new(:internal_investigation)
 
 task default: %i[
   documentation_syntax_check
   generate_cops_documentation
   test