diff --git a/lib/rubygems/remote_fetcher.rb b/lib/rubygems/remote_fetcher.rb
index fa5ed45622..20ddf471e1 100644
--- a/lib/rubygems/remote_fetcher.rb
+++ b/lib/rubygems/remote_fetcher.rb
@@ -126,6 +126,7 @@ class Gem::RemoteFetcher
     gem_file_name = File.basename spec.cache_file
     local_gem_path = File.join cache_dir, gem_file_name
 
+    require "fileutils"
     FileUtils.mkdir_p cache_dir rescue nil unless File.exist? cache_dir
 
     source_uri = parse_uri(source_uri)
diff --git a/lib/rubygems/source.rb b/lib/rubygems/source.rb
index ba5fb032b3..bed9c51346 100644
--- a/lib/rubygems/source.rb
+++ b/lib/rubygems/source.rb
@@ -1,5 +1,4 @@
 # frozen_string_literal: true
-autoload :FileUtils, 'fileutils'
 
 require "rubygems/text"
 ##