@@ -16,11 +16,11 @@
 #import "OFArray.h"
 
 /**
  * A class for managing strings.
  */
-@interface OFString: OFObject
+@interface OFString: OFObject <OFCopying>
 {
 	char	     *string;
 #ifdef __objc_INCLUDE_GNU
 	unsigned int length;
 #else
@@ -79,17 +79,10 @@
 /**
  * \return The length of the OFString
  */
 - (size_t)length;
 
-/**
- * Clones the OFString, creating a new one.
- *
- * \return A new autoreleased copy of the OFString as a OFMutableString
- */
-- (id)copy;
-
 /**
  * Compares the OFString to another object.
  *
  * \param obj An object to compare with
  * \return An integer which is the result of the comparison, see for example