@@ -27,17 +27,17 @@
 /**
  * @class OFHTTPCookie OFHTTPCookie.h ObjFW/OFHTTPCookie.h
  *
  * @brief A class for storing and manipulating HTTP cookies.
  */
+OF_SUBCLASSING_RESTRICTED
 @interface OFHTTPCookie: OFObject <OFCopying>
 {
 	OFString *_name, *_value, *_domain, *_path;
 	OFDate *_Nullable _expires;
 	bool _secure, _HTTPOnly;
 	OFMutableArray OF_GENERIC(OFString *) *_extensions;
-	OF_RESERVE_IVARS(OFHTTPCookie, 4)
 }
 
 /**
  * @brief The name of the cookie.
  */