diff --git a/cli/flags/options.go b/cli/flags/options.go
index 3d318cf1f6..3f461b2403 100644
--- a/cli/flags/options.go
+++ b/cli/flags/options.go
@@ -71,8 +71,6 @@ func (o *ClientOptions) InstallFlags(flags *pflag.FlagSet) {
 	flags.BoolVar(&o.TLS, "tls", dockerTLS, "Use TLS; implied by --tlsverify")
 	flags.BoolVar(&o.TLSVerify, FlagTLSVerify, dockerTLSVerify, "Use TLS and verify the remote")
 
-	// TODO use flag flags.String("identity"}, "i", "", "Path to libtrust key file")
-
 	o.TLSOptions = &tlsconfig.Options{
 		CAFile:   filepath.Join(dockerCertPath, DefaultCaFile),
 		CertFile: filepath.Join(dockerCertPath, DefaultCertFile),