diff --git a/cmd/ctr/commands/commands.go b/cmd/ctr/commands/commands.go
index 096a9c15..fab4476c 100644
--- a/cmd/ctr/commands/commands.go
+++ b/cmd/ctr/commands/commands.go
@@ -23,205 +23,11 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/containerd/containerd/defaults"
 	"github.com/containerd/containerd/pkg/atomicfile"
 
 	"github.com/urfave/cli"
 )
 
-var (
-	// SnapshotterFlags are cli flags specifying snapshotter names
-	SnapshotterFlags = []cli.Flag{
-		cli.StringFlag{
-			Name:   "snapshotter",
-			Usage:  "snapshotter name. Empty value stands for the default value.",
-			EnvVar: "CONTAINERD_SNAPSHOTTER",
-		},
-	}
-
-	// SnapshotterLabels are cli flags specifying labels which will be add to the new snapshot for container.
-	SnapshotterLabels = cli.StringSliceFlag{
-		Name:  "snapshotter-label",
-		Usage: "labels added to the new snapshot for this container.",
-	}
-
-	// LabelFlag is a cli flag specifying labels
-	LabelFlag = cli.StringSliceFlag{
-		Name:  "label",
-		Usage: "labels to attach to the image",
-	}
-
-	// RegistryFlags are cli flags specifying registry options
-	RegistryFlags = []cli.Flag{
-		cli.BoolFlag{
-			Name:  "skip-verify,k",
-			Usage: "skip SSL certificate validation",
-		},
-		cli.BoolFlag{
-			Name:  "plain-http",
-			Usage: "allow connections using plain HTTP",
-		},
-		cli.StringFlag{
-			Name:  "user,u",
-			Usage: "user[:password] Registry user and password",
-		},
-		cli.StringFlag{
-			Name:  "refresh",
-			Usage: "refresh token for authorization server",
-		},
-		cli.StringFlag{
-			Name: "hosts-dir",
-			// compatible with "/etc/docker/certs.d"
-			Usage: "Custom hosts configuration directory",
-		},
-		cli.StringFlag{
-			Name:  "tlscacert",
-			Usage: "path to TLS root CA",
-		},
-		cli.StringFlag{
-			Name:  "tlscert",
-			Usage: "path to TLS client certificate",
-		},
-		cli.StringFlag{
-			Name:  "tlskey",
-			Usage: "path to TLS client key",
-		},
-		cli.BoolFlag{
-			Name:  "http-dump",
-			Usage: "dump all HTTP request/responses when interacting with container registry",
-		},
-		cli.BoolFlag{
-			Name:  "http-trace",
-			Usage: "enable HTTP tracing for registry interactions",
-		},
-	}
-
-	// ContainerFlags are cli flags specifying container options
-	ContainerFlags = []cli.Flag{
-		cli.StringFlag{
-			Name:  "config,c",
-			Usage: "path to the runtime-specific spec config file",
-		},
-		cli.StringFlag{
-			Name:  "cwd",
-			Usage: "specify the working directory of the process",
-		},
-		cli.StringSliceFlag{
-			Name:  "env",
-			Usage: "specify additional container environment variables (e.g. FOO=bar)",
-		},
-		cli.StringFlag{
-			Name:  "env-file",
-			Usage: "specify additional container environment variables in a file(e.g. FOO=bar, one per line)",
-		},
-		cli.StringSliceFlag{
-			Name:  "label",
-			Usage: "specify additional labels (e.g. foo=bar)",
-		},
-		cli.StringSliceFlag{
-			Name:  "annotation",
-			Usage: "specify additional OCI annotations (e.g. foo=bar)",
-		},
-		cli.StringSliceFlag{
-			Name:  "mount",
-			Usage: "specify additional container mount (e.g. type=bind,src=/tmp,dst=/host,options=rbind:ro)",
-		},
-		cli.BoolFlag{
-			Name:  "net-host",
-			Usage: "enable host networking for the container",
-		},
-		cli.BoolFlag{
-			Name:  "privileged",
-			Usage: "run privileged container",
-		},
-		cli.BoolFlag{
-			Name:  "read-only",
-			Usage: "set the containers filesystem as readonly",
-		},
-		cli.StringFlag{
-			Name:  "runtime",
-			Usage: "runtime name",
-			Value: defaults.DefaultRuntime,
-		},
-		cli.StringFlag{
-			Name:  "runtime-config-path",
-			Usage: "optional runtime config path",
-		},
-		cli.BoolFlag{
-			Name:  "tty,t",
-			Usage: "allocate a TTY for the container",
-		},
-		cli.StringSliceFlag{
-			Name:  "with-ns",
-			Usage: "specify existing Linux namespaces to join at container runtime (format '<nstype>:<path>')",
-		},
-		cli.StringFlag{
-			Name:  "pid-file",
-			Usage: "file path to write the task's pid",
-		},
-		cli.IntSliceFlag{
-			Name:  "gpus",
-			Usage: "add gpus to the container",
-		},
-		cli.BoolFlag{
-			Name:  "allow-new-privs",
-			Usage: "turn off OCI spec's NoNewPrivileges feature flag",
-		},
-		cli.Uint64Flag{
-			Name:  "memory-limit",
-			Usage: "memory limit (in bytes) for the container",
-		},
-		cli.StringSliceFlag{
-			Name:  "device",
-			Usage: "file path to a device to add to the container; or a path to a directory tree of devices to add to the container",
-		},
-		cli.StringSliceFlag{
-			Name:  "cap-add",
-			Usage: "add Linux capabilities (Set capabilities with 'CAP_' prefix)",
-		},
-		cli.StringSliceFlag{
-			Name:  "cap-drop",
-			Usage: "drop Linux capabilities (Set capabilities with 'CAP_' prefix)",
-		},
-		cli.BoolFlag{
-			Name:  "seccomp",
-			Usage: "enable the default seccomp profile",
-		},
-		cli.StringFlag{
-			Name:  "seccomp-profile",
-			Usage: "file path to custom seccomp profile. seccomp must be set to true, before using seccomp-profile",
-		},
-		cli.StringFlag{
-			Name:  "apparmor-default-profile",
-			Usage: "enable AppArmor with the default profile with the specified name, e.g. \"cri-containerd.apparmor.d\"",
-		},
-		cli.StringFlag{
-			Name:  "apparmor-profile",
-			Usage: "enable AppArmor with an existing custom profile",
-		},
-		cli.StringFlag{
-			Name:  "rdt-class",
-			Usage: "name of the RDT class to associate the container with. Specifies a Class of Service (CLOS) for cache and memory bandwidth management.",
-		},
-	}
-	// ImageDecryptionFlags are cli flags needed when decrypting an image
-	ImageDecryptionFlags = []cli.Flag{
-		cli.StringFlag{
-			Name:  "gpg-homedir",
-			Usage: "The GPG homedir to use; by default gpg uses ~/.gnupg",
-		}, cli.StringFlag{
-			Name:  "gpg-version",
-			Usage: "The GPG version (\"v1\" or \"v2\"), default will make an educated guess",
-		}, cli.StringSliceFlag{
-			Name:  "key",
-			Usage: "A secret key's filename and an optional password separated by colon; this option may be provided multiple times",
-		}, cli.StringSliceFlag{
-			Name:  "dec-recipient",
-			Usage: "Recipient of the image; used only for PKCS7 and must be an x509 certificate",
-		},
-	}
-)
-
 // ObjectWithLabelArgs returns the first arg and a LabelArgs object
 func ObjectWithLabelArgs(clicontext *cli.Context) (string, map[string]string) {
 	var (