diff --git a/runtime/compiler/ruby.vim b/runtime/compiler/ruby.vim
index 82d4d1c..70dff5b 100644
--- a/runtime/compiler/ruby.vim
+++ b/runtime/compiler/ruby.vim
@@ -5,16 +5,13 @@
 " URL:			https://github.com/vim-ruby/vim-ruby
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
 " Last Change:		2019 Jan 06
+"			2024 Apr 03 by The Vim Project (removed :CompilerSet definition)
 
 if exists("current_compiler")
   finish
 endif
 let current_compiler = "ruby"
 
-if exists(":CompilerSet") != 2		" older Vim always used :setlocal
-  command -nargs=* CompilerSet setlocal <args>
-endif
-
 let s:cpo_save = &cpo
 set cpo-=C