Thanks to Erik Iverson for pointing this out * lisp/ob.el (org-babel-remove-temporary-directory): removed explicit second argument
@@ -1694,7 +1694,7 @@ of `org-babel-temporary-directory'."
;; but more efficient
(if (eq t (car (file-attributes file)))
(delete-directory file)
- (delete-file file nil)))
+ (delete-file file)))
;; We do not want to delete "." and "..".
(directory-files org-babel-temporary-directory 'full
"^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*"))