diff --git a/runtime/plugin/tutor.vim b/runtime/plugin/tutor.vim
index b79ba93..495f317 100644
--- a/runtime/plugin/tutor.vim
+++ b/runtime/plugin/tutor.vim
@@ -2,16 +2,11 @@
 " Maintainer:	This runtime file is looking for a new maintainer.
 " Contributors:	Phạm Bình An <phambinhanctb2004@gmail.com>
 " Original Author: Felipe Morales <hel.sheep@gmail.com>
-" Date: 2025 May 10
+" Date: 2025 May 12
 
 if exists('g:loaded_tutor_mode_plugin') || &compatible
     finish
 endif
 let g:loaded_tutor_mode_plugin = 1
 
-" Define this variable so that users get cmdline completion.
-if !exists('g:tutor_debug')
-  let g:tutor_debug = 0
-endif
-
 command! -nargs=? -complete=custom,tutor#TutorCmdComplete Tutor call tutor#TutorCmd(<q-args>)