diff --git a/lisp/tmm.el b/lisp/tmm.el
index 40462a1785e..6864f93fb86 100644
--- a/lisp/tmm.el
+++ b/lisp/tmm.el
@@ -326,7 +326,6 @@ Stores a list of all the shortcuts in the free variable `tmm-short-cuts'."
 
 (defun tmm-add-prompt ()
   (remove-hook 'minibuffer-setup-hook 'tmm-add-prompt)
-  (make-local-hook 'minibuffer-exit-hook)
   (add-hook 'minibuffer-exit-hook 'tmm-delete-map nil t)
   (let ((win (selected-window)))
     (setq tmm-old-mb-map (tmm-define-keys t))