diff --git a/configuration.org b/configuration.org
index 6c76c35..e0fb05e 100644
--- a/configuration.org
+++ b/configuration.org
@@ -3565,8 +3565,7 @@ directory.  It is available from [[http://plantuml.com/download][here]].
 #+BEGIN_SRC emacs-lisp
 (use-package rust-mode
   :mode "\\.rs\\'")
-(use-package cargo
-  :mode "\\.rs\\'")
+(use-package cargo)
 (use-package flycheck-rust)
 #+END_SRC