1 files changed, 7 insertions, 13 deletions

diff --git a/lisp/emacs-lisp/lisp-mode.el b/lisp/emacs-lisp/lisp-mode.el
index 810fc95614d..89d5659f300 100644
--- a/lisp/emacs-lisp/lisp-mode.el
+++ b/lisp/emacs-lisp/lisp-mode.el
@@ -748,14 +748,12 @@ function is `common-lisp-indent-function'."
   :type 'function
   :group 'lisp)
 
-(defun lisp-indent-line (&optional _whole-exp)
-  "Indent current line as Lisp code.
-With argument, indent any additional lines of the same expression
-rigidly along with this one."
-  (interactive "P")
-  (let ((indent (calculate-lisp-indent)) shift-amt
-        (pos (- (point-max) (point)))
-        (beg (progn (beginning-of-line) (point))))
+(defun lisp-indent-line ()
+  "Indent current line as Lisp code."
+  (interactive)
+  (let ((indent (calculate-lisp-indent))
+        (pos (- (point-max) (point))))
+    (beginning-of-line)
     (skip-chars-forward " \t")
     (if (or (null indent) (looking-at "\\s<\\s<\\s<"))
         ;; Don't alter indentation of a ;;; comment line
@@ -767,11 +765,7 @@ rigidly along with this one."
           ;; as comment lines, not as code.
           (progn (indent-for-comment) (forward-char -1))
         (if (listp indent) (setq indent (car indent)))
-        (setq shift-amt (- indent (current-column)))
-        (if (zerop shift-amt)
-            nil
-          (delete-region beg (point))
-          (indent-to indent)))
+        (indent-line-to indent))
       ;; If initial point was within line's indentation,
       ;; position after the indentation.  Else stay at same point in text.
       (if (> (- (point-max) pos) (point))