diff --git a/config.el b/config.el
index 234cb6b..58dd13f 100644
--- a/config.el
+++ b/config.el
@@ -410,6 +410,8 @@
 ;; -----------------------------------------------------------------------------
 
 (setq-default
+ ;; Don't keep dired directories around when navigating.
+ dired-kill-when-opening-new-dired-buffer t
  ;; Standard fill-column width.
  fill-column 100
  ;; Do not use tab characters for indentation.