diff --git a/bashrc/worthwhile-functions b/bashrc/worthwhile-functions
index 7399052..dbaf2c3 100644
--- a/bashrc/worthwhile-functions
+++ b/bashrc/worthwhile-functions
@@ -19,7 +19,7 @@ list-debs-size() {
 
 edit-script-file() {
     # if you use other editor, please set $EDITOR.
-    $(command -v code>>/dev/null && echo code || command -v nano>>/dev/null && echo nano || echo vi) "$(command -v $1)"
+    $EDITOR "$(command -v $1)"
 }
 
 # reloading stuff
diff --git a/tmux/main.conf b/tmux/main.conf
index 0ce6dd4..efb7029 100644
--- a/tmux/main.conf
+++ b/tmux/main.conf
@@ -3,9 +3,7 @@ set-option -g default-shell /bin/zsh
 
 # my prefix btw
 unbind C-b
-#set -g prefix M-w
-# additional prefix in case we're using the Shelly iOS app
-set -g prefix C-W
+set -g prefix M-x
 
 # make sure we can magically source config changes via <prefix>+R shortcut.
 bind r source-file ~/.tmux.conf