diff --git a/lisp/ob-calc.el b/lisp/ob-calc.el
index 14d7d5d63..44ed82bdc 100644
--- a/lisp/ob-calc.el
+++ b/lisp/ob-calc.el
@@ -28,7 +28,6 @@
 ;;; Code:
 (require 'ob)
 (require 'calc)
-(require 'calc-store)
 (unless (featurep 'xemacs)
   (require 'calc-trail)
   (require 'calc-store))