diff --git a/lisp/ob-C.el b/lisp/ob-C.el
index 1e35d08c3..2a7eadf8d 100644
--- a/lisp/ob-C.el
+++ b/lisp/ob-C.el
@@ -463,7 +463,5 @@ specifying a variable with the name of the table."
 	 table table table))))))
 
 (provide 'ob-C)
-(provide 'ob-C++)
-(provide 'ob-D)
 
 ;;; ob-C.el ends here