diff --git a/tmux.conf b/tmux.conf
index b78b2e3..7632e79 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -17,6 +17,7 @@ set -g mode-keys vi
 set -g mouse off
 
 # session
+#bind M-x kill-session
 
 # window
 set -g window-status-format '#I:#(echo "#T"|cut -d: -f1)#F'
@@ -26,10 +27,7 @@ bind v split-window -h
 bind n next-window
 bind C-n previous-window
 bind c new-window
-bind x kill-pane
-bind C-x kill-window
-bind M-x kill-session
-bind C-s set synchronize-panes
+#bind C-x kill-window
 
 # pane
 #set -g pane-border-status top
@@ -44,10 +42,12 @@ bind -r C-k resize-pane -U 1
 bind -r C-j resize-pane -D 1
 bind -r C-h resize-pane -L 1
 bind -r C-l resize-pane -R 1
+#bind x kill-pane
 bind x resize-pane -Z
 bind C-x resize-pane -Z
 bind z resize-pane -Z
 bind C-z resize-pane -Z
+bind C-s set synchronize-panes
 
 # copy mode
 bind Escape copy-mode