1 files changed, 4 insertions, 1 deletions
diff --git a/lib/rubygems/util/list.rb b/lib/rubygems/util/list.rb
index 33c40af4bb..2899e8a2b9 100644
--- a/lib/rubygems/util/list.rb
+++ b/lib/rubygems/util/list.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
+
 module Gem
-  class List
+  # The Gem::List class is currently unused and will be removed in the next major rubygems version
+  class List # :nodoc:
     include Enumerable
     attr_accessor :value, :tail
 
@@ -34,4 +36,5 @@ module Gem
       List.new value, list
     end
   end
+  deprecate_constant :List
 end