diff --git a/apps/user_ldap/lib/connection.php b/apps/user_ldap/lib/connection.php
index 6a216f65c544d62c1cd03f04652584fb33c432a5..6f2fdce1b5f85894a460d284a567bfa737b728fc 100644
--- a/apps/user_ldap/lib/connection.php
+++ b/apps/user_ldap/lib/connection.php
@@ -341,8 +341,6 @@ class Connection extends LDAPUtility {
 			}
 		}
 
-		$groupFilter = $this->configuration->ldapGroupFilter;
-
 		foreach(array('ldapExpertUUIDUserAttr'  => 'ldapUuidUserAttribute',
 					  'ldapExpertUUIDGroupAttr' => 'ldapUuidGroupAttribute')
 				as $expertSetting => $effectiveSetting) {