diff --git a/cmd/kubelet/app/options/options.go b/cmd/kubelet/app/options/options.go
index 4e9e10e9df4..29e3cc1d8e3 100644
--- a/cmd/kubelet/app/options/options.go
+++ b/cmd/kubelet/app/options/options.go
@@ -329,11 +329,11 @@ func (f *KubeletFlags) AddFlags(fs *pflag.FlagSet) {
 
 	fs.BoolVar(&f.RegisterNode, "register-node", f.RegisterNode, "Register the node with the apiserver. If --kubeconfig is not provided, this flag is irrelevant, as the Kubelet won't have an apiserver to register with. Default=true.")
 	fs.Var(utiltaints.NewTaintsVar(&f.RegisterWithTaints), "register-with-taints", "Register the node with the given list of taints (comma separated \"<key>=<value>:<effect>\"). No-op if register-node is false.")
+	fs.BoolVar(&f.Containerized, "containerized", f.Containerized, "Running kubelet in a container.")
 
 	// EXPERIMENTAL FLAGS
 	fs.StringVar(&f.ExperimentalMounterPath, "experimental-mounter-path", f.ExperimentalMounterPath, "[Experimental] Path of mounter binary. Leave empty to use the default mount.")
 	fs.StringSliceVar(&f.AllowedUnsafeSysctls, "experimental-allowed-unsafe-sysctls", f.AllowedUnsafeSysctls, "Comma-separated whitelist of unsafe sysctls or unsafe sysctl patterns (ending in *). Use these at your own risk.")
-	fs.BoolVar(&f.Containerized, "containerized", f.Containerized, "Experimental support for running kubelet in a container.  Intended for testing.")
 	fs.BoolVar(&f.ExperimentalKernelMemcgNotification, "experimental-kernel-memcg-notification", f.ExperimentalKernelMemcgNotification, "If enabled, the kubelet will integrate with the kernel memcg notification to determine if memory eviction thresholds are crossed rather than polling.")
 	fs.StringVar(&f.RemoteRuntimeEndpoint, "container-runtime-endpoint", f.RemoteRuntimeEndpoint, "[Experimental] The endpoint of remote runtime service. Currently unix socket is supported on Linux, and tcp is supported on windows.  Examples:'unix:///var/run/dockershim.sock', 'tcp://localhost:3735'")
 	fs.StringVar(&f.RemoteImageEndpoint, "image-service-endpoint", f.RemoteImageEndpoint, "[Experimental] The endpoint of remote image service. If not specified, it will be the same with container-runtime-endpoint by default. Currently unix socket is supported on Linux, and tcp is supported on windows.  Examples:'unix:///var/run/dockershim.sock', 'tcp://localhost:3735'")
diff --git a/cmd/kubelet/app/server.go b/cmd/kubelet/app/server.go
index 8100b44afae..c93996ac6ad 100644
--- a/cmd/kubelet/app/server.go
+++ b/cmd/kubelet/app/server.go
@@ -139,7 +139,7 @@ func UnsecuredDependencies(s *options.KubeletServer) (*kubelet.Dependencies, err
 	mounter := mount.New(s.ExperimentalMounterPath)
 	var writer kubeio.Writer = &kubeio.StdWriter{}
 	if s.Containerized {
-		glog.V(2).Info("Running kubelet in containerized mode (experimental)")
+		glog.V(2).Info("Running kubelet in containerized mode")
 		mounter = mount.NewNsenterMounter()
 		writer = &kubeio.NsenterWriter{}
 	}