diff --git a/.tmux.conf b/.tmux.conf
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -152,9 +152,7 @@ bind-key l select-pane -R
 # Look good
 set -g default-terminal "screen-256color"
 
-# Enable mouse support (works in iTerm) (tmux 2.x)
 set -g mouse on
-set -g mouse-utf8 on
 
 # I think I'd rather enter copy-mode intentionally
 # bind -n WheelUpPane   select-pane -t= \; copy-mode -e \; send-keys -M