1 files changed, 2 insertions, 9 deletions

diff --git a/lisp/array.el b/lisp/array.el
index e60cbdfffc1..8c4f609e626 100644
--- a/lisp/array.el
+++ b/lisp/array.el
@@ -800,7 +800,7 @@ Return COLUMN."
 (put 'array-mode 'mode-class 'special)
 
 ;;;###autoload
-(defun array-mode ()
+(define-derived-mode array-mode fundamental-mode "Array"
   "Major mode for editing arrays.
 
   Array mode is a specialized mode for editing arrays.  An array is
@@ -863,9 +863,6 @@ take a numeric prefix argument):
         \\[array-display-local-variables]   Display the current values of local variables.
 
 Entering array mode calls the function `array-mode-hook'."
-
-  (interactive)
-  (kill-all-local-variables)
   (make-local-variable 'array-buffer-line)
   (make-local-variable 'array-buffer-column)
   (make-local-variable 'array-row)
@@ -888,13 +885,9 @@ Entering array mode calls the function `array-mode-hook'."
        (+ (floor (1- array-max-column) array-columns-per-line)
           (if array-rows-numbered 2 1)))
   (message "")
-  (setq major-mode 'array-mode)
-  (setq mode-name "Array")
   (force-mode-line-update)
   (set (make-local-variable 'truncate-lines) t)
-  (setq overwrite-mode 'overwrite-mode-textual)
-  (use-local-map array-mode-map)
-  (run-mode-hooks 'array-mode-hook))
+  (setq overwrite-mode 'overwrite-mode-textual))