README.md

@@ -35,7 +35,6 @@ See [action.yml](./action.yml) for more detailed information.
 | fingerprint               | SHA256 fingerprint of the host public key                                                |               |
 | proxy_host                | SSH proxy host                                                                           |               |
 | proxy_port                | SSH proxy port                                                                           | 22            |
-| proxy_protocol            | SSH proxy protocol version (tcp, tcp4, tcp6)                                             | tcp           |
 | proxy_username            | SSH proxy username                                                                       |               |
 | proxy_password            | SSH proxy password                                                                       |               |
 | proxy_passphrase          | SSH proxy key passphrase                                                                 |               |

action.yml

@@ -43,9 +43,6 @@ inputs:
     description: "SSH proxy username."
   proxy_password:
     description: "SSH proxy password."
-  proxy_protocol:
-    description: 'The IP protocol to use. Valid values are "tcp". "tcp4" or "tcp6". Default to tcp.'
-    default: "tcp"
   proxy_passphrase:
     description: "SSH proxy key passphrase."
   proxy_timeout: