diff --git a/plugins/kolab_auth/config.inc.php.dist b/plugins/kolab_auth/config.inc.php.dist
index d14a3b92..d28ff08d 100644
--- a/plugins/kolab_auth/config.inc.php.dist
+++ b/plugins/kolab_auth/config.inc.php.dist
@@ -12,7 +12,6 @@ $rcmail_config['kolab_auth_login'] = 'email';
 
 // Use this fields (from fieldmap configuration) for default identity
 $rcmail_config['kolab_auth_name']  = 'name';
-$rcmail_config['kolab_auth_alias'] = 'alias';
 $rcmail_config['kolab_auth_email'] = 'email';
 
 // Login and password of the admin user. Enables "Login As" feature.
@@ -20,10 +19,10 @@ $rcmail_config['kolab_auth_admin_login']    = '';
 $rcmail_config['kolab_auth_admin_password'] = '';
 
 // Enable audit logging for abuse of administrative privileges.
-$rcmail_config['kolab_auth_auditlog']       = true;
+$rcmail_config['kolab_auth_auditlog'] = true;
 
 // Role field (from fieldmap configuration)
-$rcmail_config['kolab_auth_role']       = 'role';
+$rcmail_config['kolab_auth_role'] = 'role';
 // The required value for the role attribute to contain should the user be allowed
 // to login as another user.
 $rcmail_config['kolab_auth_role_value'] = '';
diff --git a/plugins/kolab_auth/kolab_auth.php b/plugins/kolab_auth/kolab_auth.php
index 691f5422..00b9f8b4 100644
--- a/plugins/kolab_auth/kolab_auth.php
+++ b/plugins/kolab_auth/kolab_auth.php
@@ -203,8 +203,6 @@ class kolab_auth extends rcube_plugin
             $args['user_email'] = $this->data['user_email'];
         if (!empty($this->data['user_name']))
             $args['user_name'] = $this->data['user_name'];
-        if (!empty($this->data['user_alias']))
-            $args['user_alias'] = $this->data['user_alias'];
 
         return $args;
     }
@@ -253,7 +251,6 @@ class kolab_auth extends rcube_plugin
         $admin_login = $rcmail->config->get('kolab_auth_admin_login');
         $admin_pass  = $rcmail->config->get('kolab_auth_admin_password');
         $login_attr  = $rcmail->config->get('kolab_auth_login');
-        $alias_attr  = $rcmail->config->get('kolab_auth_alias');
         $name_attr   = $rcmail->config->get('kolab_auth_name');
 
         // get username and host
@@ -351,8 +348,6 @@ class kolab_auth extends rcube_plugin
 
             if ($login_attr)
                 $this->data['user_login'] = is_array($record[$login_attr]) ? $record[$login_attr][0] : $record[$login_attr];
-            if ($alias_attr)
-                $this->data['user_alias'] = is_array($record[$alias_attr]) ? $record[$alias_attr][0] : $record[$alias_attr];
             if ($name_attr)
                 $this->data['user_name'] = is_array($record[$name_attr]) ? $record[$name_attr][0] : $record[$name_attr];
 
diff --git a/plugins/ldap_authentication/config.inc.php.dist b/plugins/ldap_authentication/config.inc.php.dist
index ca745201..ff8e5120 100644
--- a/plugins/ldap_authentication/config.inc.php.dist
+++ b/plugins/ldap_authentication/config.inc.php.dist
@@ -12,7 +12,6 @@ $rcmail_config['ldap_authentication_login'] = 'email';
 
 // Use this fields (from fieldmap configuration) for default identity
 $rcmail_config['ldap_authentication_name']  = 'name';
-$rcmail_config['ldap_authentication_alias'] = 'alias';
-$rcmail_config['ldap_authentication_email']  = 'email';
+$rcmail_config['ldap_authentication_email'] = 'email';
 
 ?>
diff --git a/plugins/ldap_authentication/ldap_authentication.php b/plugins/ldap_authentication/ldap_authentication.php
index eee9a1db..d1561185 100644
--- a/plugins/ldap_authentication/ldap_authentication.php
+++ b/plugins/ldap_authentication/ldap_authentication.php
@@ -32,23 +32,21 @@ class ldap_authentication extends rcube_plugin
     private $ldap;
     private $data = array();
 
-	function init()
-	{
-		$this->add_hook('authenticate', array($this, 'authenticate'));
-		$this->add_hook('user_create', array($this, 'user_create'));
-	}
+    function init()
+    {
+        $this->add_hook('authenticate', array($this, 'authenticate'));
+        $this->add_hook('user_create', array($this, 'user_create'));
+    }
 
-	function user_create($args)
-	{
-		if (!empty($this->data['user_email']))
-    		$args['user_email'] = $this->data['user_email'];
-		if (!empty($this->data['user_name']))
-	    	$args['user_name'] = $this->data['user_name'];
-		if (!empty($this->data['user_alias']))
-	    	$args['user_alias'] = $this->data['user_alias'];
+    function user_create($args)
+    {
+        if (!empty($this->data['user_email']))
+            $args['user_email'] = $this->data['user_email'];
+        if (!empty($this->data['user_name']))
+            $args['user_name'] = $this->data['user_name'];
 
-		return $args;
-	}
+        return $args;
+    }
 
     function authenticate($args)
     {
@@ -83,13 +81,10 @@ class ldap_authentication extends rcube_plugin
                 $record = $results->records[0];
 
                 $login_attr = $rcmail->config->get('ldap_authentication_login');
-                $alias_attr = $rcmail->config->get('ldap_authentication_alias');
                 $name_attr  = $rcmail->config->get('ldap_authentication_name');
 
                 if ($login_attr)
                     $this->data['user_login'] = is_array($record[$login_attr]) ? $record[$login_attr][0] : $record[$login_attr];
-                if ($alias_attr)
-                    $this->data['user_alias'] = is_array($record[$alias_attr]) ? $record[$alias_attr][0] : $record[$alias_attr];
                 if ($name_attr)
                     $this->data['user_name'] = is_array($record[$name_attr]) ? $record[$name_attr][0] : $record[$name_attr];