diff --git a/install-coder.sh b/install-coder.sh
index 496270f..cc02f93 100644
--- a/install-coder.sh
+++ b/install-coder.sh
@@ -1,12 +1,9 @@
-#!/bin/sh
+#!/usr/bin/env /bin/sh
 set -eu
 
 # code-server's automatic install script.
 # See https://coder.com/docs/code-server/latest/install
 
-HTTPS_PROXY=http://vaala:bcali@10.10.0.30:31789
-HTTP_PROXY=http://vaala:bcali@10.10.0.30:31789
-
 usage() {
   arg0="$0"
   if [ "$0" = sh ]; then