diff --git a/sh/tmux.sh b/sh/tmux.sh
index 9f026de..25deab9 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -88,8 +88,6 @@ set-option -g prefix2 F12
 
 # enable activity monitoring
 set-window-option -g monitor-activity on
-# activity style
-set -g window-status-activity-style bg=black,fg=red
 # disable silence monitoring
 set-window-option -g monitor-silence 0