diff --git a/runtime/compiler/dot.vim b/runtime/compiler/dot.vim
index 773a6fb..145411e 100644
--- a/runtime/compiler/dot.vim
+++ b/runtime/compiler/dot.vim
@@ -2,16 +2,13 @@
 " Compiler:     ATT dot
 " Maintainer:	Marcos Macedo <bar4ka@bol.com.br>
 " Last Change:	2024 March 21
+"		2024 Apr 03 by The Vim Project (removed :CompilerSet definition)
 
 if exists("current_compiler")
   finish
 endif
 let current_compiler = "dot"
 
-if exists(":CompilerSet") != 2		" older Vim always used :setlocal
-  command -nargs=* CompilerSet setlocal <args>
-endif
-
 CompilerSet makeprg=dot\ -T$*\ \"%:p\"\ -o\ \"%:p:r.$*\"
 " matches error messages as below skipping final part after line number
 " Error: ./file.dot: syntax error in line 1 near 'rankdir'