diff --git a/scripts/cleanup.sh b/scripts/cleanup.sh
index ad7a969..e1e39cf 100755
--- a/scripts/cleanup.sh
+++ b/scripts/cleanup.sh
@@ -4,9 +4,8 @@
 dd if=/dev/zero of=/EMPTY bs=1M
 rm -f /EMPTY
 
-# Remove the centos user
-sudo userdel -f centos
-echo user centos deletion exited with $?
+# Disable the centos user
+chsh -s /bin/false
 
 # Add `sync` so Packer doesn't quit too early, before the large file is deleted.
 sync