@@ -80,10 +80,12 @@
  * @param state Context information for the enumeration
  * @param objects A pointer to an array where to put the objects
  * @param count The number of objects that can be stored at objects
  * @return The number of objects returned in objects or 0 when the enumeration
  *	   finished.
+ * @throw OFEnumerationMutationException The object was mutated during
+ *					 enumeration
  */
 - (int)countByEnumeratingWithState: (OFFastEnumerationState *)state
 			   objects: (id __unsafe_unretained _Nonnull *_Nonnull)
 					objects
 			     count: (int)count;
@@ -96,18 +98,16 @@
  */
 @interface OFEnumerator OF_GENERIC(ObjectType): OFObject <OFFastEnumeration>
 #if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
 # define ObjectType id
 #endif
-{
-	OF_RESERVE_IVARS(OFEnumerator, 4)
-}
-
 /**
  * @brief Returns the next object or `nil` if there is none left.
  *
  * @return The next object or `nil` if there is none left
+ * @throw OFEnumerationMutationException The object was mutated during
+ *					 enumeration
  */
 - (nullable ObjectType)nextObject;
 
 /**
  * @brief Returns an array of all remaining objects in the collection.