@@ -20,14 +20,14 @@
 /**
  * @class OFXMLComment OFXMLComment.h ObjFW/OFXMLComment.h
  *
  * @brief A class for representing XML comments.
  */
+OF_SUBCLASSING_RESTRICTED
 @interface OFXMLComment: OFXMLNode
 {
 	OFString *_text;
-	OF_RESERVE_IVARS(OFXMLComment, 4)
 }
 
 /**
  * @brief The comment text.
  */