diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 79b55b2db..2d4ff5679 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -69,7 +69,6 @@
 (declare-function org-list-to-generic "org-list" (LIST PARAMS))
 (declare-function org-list-to-lisp "org-list" (&optional delete))
 (declare-function org-macro-escape-arguments "org-macro" (&rest args))
-(declare-function org-make-options-regexp "org" (kwds &optional extra))
 (declare-function org-mark-ring-push "org" (&optional pos buffer))
 (declare-function org-narrow-to-subtree "org" ())
 (declare-function org-next-block "org" (arg &optional backward block-regexp))