@@ -576,11 +576,11 @@
 @end
 
 /**
  * \brief A protocol for the creation of copies.
  */
-@protocol OFCopying <OFObject>
+@protocol OFCopying
 /**
  * \brief Copies the object.
  *
  * For classes which can be immutable or mutable, this returns an immutable
  * copy. If only a mutable version of the class exists, it creates a mutable
@@ -595,11 +595,11 @@
  * \brief A protocol for the creation of mutable copies.
  *
  * This protocol is implemented by objects that can be mutable and immutable
  * and allows returning a mutable copy.
  */
-@protocol OFMutableCopying <OFCopying>
+@protocol OFMutableCopying
 /**
  * \brief Creates a mutable copy of the object.
  *
  * \return A mutable copy of the object
  */