diff --git a/resources/models/captchasettings.php b/resources/models/captchasettings.php
index 811ebff..e48b168 100644
--- a/resources/models/captchasettings.php
+++ b/resources/models/captchasettings.php
@@ -28,16 +28,6 @@
                 'span' => 'right',
                 'type' => 'text',
             ],
-            'version' => [
-                'label' => 'lang:igniter.frontend::default.captcha.label_version',
-                'span' => 'left',
-                'type' => 'select',
-                'options' => [
-                    'v2' => 'lang:igniter.frontend::default.captcha.label_version_v2',
-                    'v3' => 'lang:igniter.frontend::default.captcha.label_version_v3',
-                    'invisible' => 'lang:igniter.frontend::default.captcha.label_version_invisible',
-                ],
-            ],
             'lang' => [
                 'label' => 'lang:igniter.frontend::default.captcha.label_lang',
                 'span' => 'right',
@@ -48,7 +38,6 @@
         'rules' => [
             ['api_site_key', 'lang:igniter.frontend::default.captcha.label_api_site_key', 'required|string'],
             ['api_secret_key', 'lang:igniter.frontend::default.captcha.label_api_secret_key', 'required|string'],
-            ['version', 'lang:igniter.frontend::default.captcha.label_version', 'required|in:v2,v3,invisible'],
             ['lang', 'lang:igniter.frontend::default.captcha.label_lang', 'required|string'],
         ],
     ],