(checkdoc-minor-keymap): Use `define-obsolete-variable-alias'.

diff --git a/lisp/emacs-lisp/checkdoc.el b/lisp/emacs-lisp/checkdoc.el
index d833a358d945deee771236022374b209b058428c..731f1ca06dfcd060d3605cda98e24447f65dbc98 100644 (file)
--- a/lisp/emacs-lisp/checkdoc.el
+++ b/lisp/emacs-lisp/checkdoc.el
@@ -1193,9 +1193,8 @@ generating a buffered list of errors."
     map)
   "Keymap used to override evaluation key-bindings for documentation checking.")
 
-(defvaralias 'checkdoc-minor-keymap 'checkdoc-minor-mode-map)
-(make-obsolete-variable 'checkdoc-minor-keymap
-                        'checkdoc-minor-mode-map)
+(define-obsolete-variable-alias 'checkdoc-minor-keymap
+    'checkdoc-minor-mode-map "21.1")
 
 ;; Add in a menubar with easy-menu