diff --git a/cmd/nodeup/main.go b/cmd/nodeup/main.go
index <HASH>..<HASH> 100644
--- a/cmd/nodeup/main.go
+++ b/cmd/nodeup/main.go
@@ -36,7 +36,7 @@ const (
 func main() {
 	klog.InitFlags(nil)
 
-	var flagConf, flagCacheDir, flagRootFS, gitVersion string
+	var flagConf, flagCacheDir, gitVersion string
 	var flagRetries int
 	var dryrun, installSystemdUnit bool
 	target := "direct"
@@ -47,7 +47,6 @@ func main() {
 	fmt.Printf("nodeup version %s%s\n", kops.Version, gitVersion)
 	flag.StringVar(&flagConf, "conf", "node.yaml", "configuration location")
 	flag.StringVar(&flagCacheDir, "cache", "/var/cache/nodeup", "the location for the local asset cache")
-	flag.StringVar(&flagRootFS, "rootfs", "/", "the location of the machine root (for running in a container)")
 	flag.IntVar(&flagRetries, "retries", -1, "maximum number of retries on failure: -1 means retry forever")
 	flag.BoolVar(&dryrun, "dryrun", false, "Don't create cloud resources; just show what would be done")
 	flag.StringVar(&target, "target", target, "Target - direct, cloudinit")
Remove also the flagRootFS flag from NodeUp