@@ -39,19 +39,23 @@
 /*!
  * The object which does not (fully) implement the selector.
  */
 @property (readonly, nonatomic) id object;
 
++ (instancetype)exception OF_UNAVAILABLE;
+
 /*!
  * @brief Creates a new, autoreleased not implemented exception.
  *
  * @param selector The selector which is not or not fully implemented
  * @param object The object which does not (fully) implement the selector
  * @return A new, autoreleased not implemented exception
  */
 + (instancetype)exceptionWithSelector: (SEL)selector
 			       object: (id)object;
+
+- init OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated not implemented exception.
  *
  * @param selector The selector which is not or not fully implemented