diff --git a/classes/Env.class.php b/classes/Env.class.php
index c196bb2..b3104ab 100644
--- a/classes/Env.class.php
+++ b/classes/Env.class.php
@@ -38,6 +38,18 @@ final class Env
     {
         $_SESSION[$var] = $value;
     }
+    
+    /**
+     * Unsets session var
+     * 
+     * @param string $var
+     */
+    static function unsetSession($var)
+    {
+        if (isset($_SESSION[$var])) {
+            unset($_SESSION[$var]);
+        }
+    }
 
     static function getCookie($var, $default = false)
     {