diff --git a/example_tmux.conf b/example_tmux.conf
index 2c7c8717..54de4d6b 100644
--- a/example_tmux.conf
+++ b/example_tmux.conf
@@ -22,9 +22,6 @@ set -g default-terminal "tmux-256color"
 # No bells at all
 set -g bell-action none
 
-# Lock after 15 minutes
-set -g lock-after-time 1800
-
 # Keep windows around after they exit
 set -g remain-on-exit on