diff --git a/firefox/Dockerfile b/firefox/Dockerfile
index 04d87fa..437ba2e 100644
--- a/firefox/Dockerfile
+++ b/firefox/Dockerfile
@@ -1,10 +1,6 @@
 # syntax = docker/dockerfile:1
 FROM alpine/base:i3
 USER root
-
-# # ENV variables
-# ENV MYVNC_FIREFOX_URL   # optional
-# ENV MYVNC_FIREFOX_OPTS  # eg, --kiosk
  
 # Install packages
 RUN apk add --no-cache \