1 files changed, 2 insertions, 6 deletions

diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 70d044c202e..2c269dcfdce 100644
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -289,12 +289,8 @@
          (tty-output nil)
          cache-env is-splot device output resolution precision samples-pos)
      (or (boundp 'calc-graph-prev-kill-hook)
-         (if calc-emacs-type-19
-             (progn
-               (setq calc-graph-prev-kill-hook nil)
-               (add-hook 'kill-emacs-hook 'calc-graph-kill-hook))
-           (setq calc-graph-prev-kill-hook kill-emacs-hook)
-           (setq kill-emacs-hook 'calc-graph-kill-hook)))
+         (setq calc-graph-prev-kill-hook nil)
+         (add-hook 'kill-emacs-hook 'calc-graph-kill-hook))
      (save-excursion
        (calc-graph-init)
        (set-buffer tempbuf)