diff --git a/auth-cas/authentication.php b/auth-cas/authentication.php
deleted file mode 100644
index fa8e76a..0000000
--- a/auth-cas/authentication.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-require_once(INCLUDE_DIR.'class.plugin.php');
-require_once('config.php');
-
-class CasAuthPlugin extends Plugin {
-    var $config_class = "CasPluginConfig";
-
-    function bootstrap() {
-        $config = $this->getConfig();
-
-        $enabled = $config->get('cas-enabled');
-        if (in_array($enabled, array('all', 'staff'))) {
-            require_once('cas.php');
-            StaffAuthenticationBackend::register(
-                new CasStaffAuthBackend($this->getConfig()));
-        }
-        if (in_array($enabled, array('all', 'client'))) {
-            require_once('cas.php');
-            UserAuthenticationBackend::register(
-                new CasClientAuthBackend($this->getConfig()));
-        }
-    }
-}
-
-require_once(INCLUDE_DIR.'UniversalClassLoader.php');
-use Symfony\Component\ClassLoader\UniversalClassLoader_osTicket;
-$loader = new UniversalClassLoader_osTicket();
-$loader->registerNamespaceFallbacks(array(
-    dirname(__file__).'/lib'));
-$loader->register();
diff --git a/auth-cas/cas.php b/auth-cas/cas.php
deleted file mode 100644
index 774f757..0000000
--- a/auth-cas/cas.php
+++ /dev/null
@@ -1,174 +0,0 @@
-<?php
-
-require_once(dirname(__file__).'/lib/jasig/phpcas/CAS.php');
-
-class CasAuth {
-    var $config;
-    var $access_token;
-
-    function __construct($config) {
-        $this->config = $config;
-    }
-
-    function triggerAuth() {
-        $self = $this;
-        phpCAS::client(
-          CAS_VERSION_2_0,
-          $this->config->get('cas-hostname'),
-          intval($this->config->get('cas-port')),
-          $this->config->get('cas-context')
-        );
-        if($this->config->get('cas-ca-cert-path')) {
-            phpCAS::setCasServerCACert($this->config->get('cas-ca-cert-path'));
-        } else {
-            phpCAS::setNoCasServerValidation();
-        }
-        if(!phpCAS::isAuthenticated()) {
-            phpCAS::forceAuthentication();
-        } else {
-            $this->setUser();
-            $this->setEmail();
-            $this->setName();
-        }
-    }
-
-    function setUser() {
-        $_SESSION[':cas']['user'] = phpCAS::getUser();
-    }
-
-    function getUser() {
-        return $_SESSION[':cas']['user'];
-    }
-
-    function setEmail() {
-        if($this->config->get('cas-email-attribute-key') !== null
-            && phpCAS::hasAttribute($this->config->get('cas-email-attribute-key'))) {
-            $_SESSION[':cas']['email'] = phpCAS::getAttribute(
-              $this->config->get('cas-email-attribute-key'));
-        } else {
-            $email = $this->getUser();
-            if($this->config->get('cas-at-domain') !== null) {
-                $email .= $this->config->get('cas-at-domain');
-            }
-            $_SESSION[':cas']['email'] = $email;
-        }
-    }
-
-    function getEmail() {
-        return $_SESSION[':cas']['email'];
-    }
-
-    function setName() {
-        if($this->config->get('cas-name-attribute-key') !== null
-            && phpCAS::hasAttribute($this->config->get('cas-name-attribute-key'))) {
-            $_SESSION[':cas']['name'] = phpCAS::getAttribute(
-              $this->config->get('cas-name-attribute-key'));
-        } else {
-            $_SESSION[':cas']['name'] = $this->getUser();
-        }
-    }
-
-    function getName() {
-        return $_SESSION[':cas']['name'];
-    }
-
-    function getProfile() {
-        return array(
-            'email' => $this->getEmail(),
-            'name' => $this->getName()
-        );
-    }
-}
-
-class CasStaffAuthBackend extends ExternalStaffAuthenticationBackend {
-    static $id = "cas";
-    static $name = /* trans */ "CAS";
-
-    static $service_name = "CAS";
-
-    var $config;
-
-    function __construct($config) {
-        $this->config = $config;
-        $this->cas = new CasAuth($config);
-    }
-
-    function getName() {
-         $config = $this->config;
-         list($__, $_N) = $config::translate();
-         return $__(static::$name);
-     }
-
-    function signOn() {
-        if (isset($_SESSION[':cas']['user'])) {
-            $staff = new StaffSession($this->cas->getEmail());
-            if ($staff && $staff->getId()) {
-                return $staff;
-            } else {
-                $_SESSION['_staff']['auth']['msg'] = 'Have your administrator create a local account';
-            }
-        }
-    }
-
-    static function signOut($user) {
-        parent::signOut($user);
-        unset($_SESSION[':cas']);
-    }
-
-
-    function triggerAuth() {
-        parent::triggerAuth();
-        $cas = $this->cas->triggerAuth();
-        Http::redirect(ROOT_PATH . 'scp/');
-    }
-}
-
-class CasClientAuthBackend extends ExternalUserAuthenticationBackend {
-    static $id = "cas.client";
-    static $name = /* trans */ "CAS";
-
-    static $service_name = "CAS";
-
-    function __construct($config) {
-        $this->config = $config;
-        $this->cas = new CasAuth($config);
-    }
-
-    function getName() {
-         $config = $this->config;
-         list($__, $_N) = $config::translate();
-         return $__(static::$name);
-     }
-
-    function supportsInteractiveAuthentication() {
-        return false;
-    }
-
-    function signOn() {
-        if (isset($_SESSION[':cas']['user'])) {
-            $acct = ClientAccount::lookupByUsername($this->cas->getEmail());
-            $client = null;
-            if ($acct && $acct->getId()) {
-                $client = new ClientSession(new EndUser($acct->getUser()));
-            }
-
-            if ($client) {
-                return $client;
-            } else {
-                return new ClientCreateRequest(
-                  $this, $this->cas->getEmail(), $this->cas->getProfile());
-            }
-        }
-    }
-
-    static function signOut($user) {
-        parent::signOut($user);
-        unset($_SESSION[':cas']);
-    }
-
-    function triggerAuth() {
-        parent::triggerAuth();
-        $cas = $this->cas->triggerAuth();
-        Http::redirect(ROOT_PATH . 'login.php');
-    }
-}
diff --git a/auth-cas/config.php b/auth-cas/config.php
deleted file mode 100644
index ec62545..0000000
--- a/auth-cas/config.php
+++ /dev/null
@@ -1,69 +0,0 @@
-<?php
-
-require_once INCLUDE_DIR . 'class.plugin.php';
-
-class CasPluginConfig extends PluginConfig {
-
-    // Provide compatibility function for versions of osTicket prior to
-    // translation support (v1.9.4)
-    function translate() {
-        if (!method_exists('Plugin', 'translate')) {
-            return array(
-                function($x) { return $x; },
-                function($x, $y, $n) { return $n != 1 ? $y : $x; },
-            );
-        }
-        return Plugin::translate('auth-cas');
-    }
-
-    function getOptions() {
-        list($__, $_N) = self::translate();
-        $modes = new ChoiceField(array(
-            'label' => $__('Authentication'),
-            'default' => "disabled",
-            'choices' => array(
-                'disabled' => $__('Disabled'),
-                'staff' => $__('Agents Only'),
-                'client' => $__('Clients Only'),
-                'all' => $__('Agents and Clients'),
-            ),
-        ));
-        return array(
-            'cas' => new SectionBreakField(array(
-                'label' => $__('CAS Authentication'),
-            )),
-            'cas-hostname' => new TextboxField(array(
-                'label' => $__('CAS Server Hostname'),
-                'configuration' => array('size'=>60, 'length'=>100),
-            )),
-            'cas-port' => new TextboxField(array(
-                'label' => $__('CAS Server Port'),
-                'configuration' => array('size'=>10, 'length'=>8),
-            )),
-            'cas-context' => new TextboxField(array(
-                'label' => $__('CAS Server Context'),
-                'configuration' => array('size'=>60, 'length'=>100),
-                'hint' => $__('This value is "/cas" for most installs.'),
-            )),
-            'cas-ca-cert-path' => new TextboxField(array(
-                'label' => $__('CAS CA Cert Path'),
-                'configuration' => array('size'=>60, 'length'=>100),
-            )),
-            'cas-at-domain' => new TextboxField(array(
-                'label' => $__('CAS e-mail suffix'),
-                'configuration' => array('size'=>60, 'length'=>100),
-                'hint' => $__('Use this field if your CAS server does not
-                    report an e-mail attribute. ex: "@domain.tld"'),
-            )),
-            'cas-name-attribute-key' => new TextboxField(array(
-                'label' => $__('CAS name attribute key'),
-                'configuration' => array('size'=>60, 'length'=>100),
-            )),
-            'cas-email-attribute-key' => new TextboxField(array(
-                'label' => $__('CAS email attribute key'),
-                'configuration' => array('size'=>60, 'length'=>100),
-            )),
-            'cas-enabled' => clone $modes,
-        );
-    }
-}
diff --git a/auth-cas/plugin.php b/auth-cas/plugin.php
deleted file mode 100644
index a3294d1..0000000
--- a/auth-cas/plugin.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-return array(
-    'id' =>             'auth:cas', # notrans
-    'version' =>        '0.2',
-    'name' =>           /* trans */ 'JASIG CAS Authentication',
-    'author' =>         'Kevin O\'Connor',
-    'description' =>    /* trans */ 'Provides a configurable authentication
-        backend for authenticating staff and clients using CAS.',
-    'url' =>            'http://www.osticket.com/plugins/auth/cas',
-    'plugin' =>         'authentication.php:CasAuthPlugin',
-    'requires' => array(
-        "jasig/phpcas" => array(
-            "version" => "1.3.3",
-            "map" => array(
-                "jasig/phpcas/source" => 'lib/jasig/phpcas',
-            )
-        ),
-    ),
-);
-
-?>