diff --git a/.gitignore b/.gitignore
index dc566d9..c016280 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 # User files
-/.chromeos_dev
 /.default_board
 /.local_mounts
 /shared_user_passwd.txt
diff --git a/common.sh b/common.sh
index 2d670c6..fd74489 100644
--- a/common.sh
+++ b/common.sh
@@ -314,6 +314,8 @@
 # settings from this file are variables starting with 'CHROMEOS_'
 : ${CHROMEOS_DEV_SETTINGS:=${SCRIPTS_DIR}/.chromeos_dev}
 if [[ -f ${CHROMEOS_DEV_SETTINGS} ]]; then
+  warn "Support for .chromeos_dev is being removed.  If you have a need for"
+  warn "this still, please contact chromium-os-dev@chromium.org."
   # Turn on exit-on-error during custom settings processing
   SAVE_OPTS=$(set +o)
   switch_to_strict_mode