@@ -35,11 +35,10 @@
 # include <inttypes.h>
 #endif
 
 #include "OFObject.h"
 #ifdef __OBJC__
-# import "OFSerialization.h"
 # import "OFJSONRepresentation.h"
 # import "OFMessagePackRepresentation.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
@@ -142,11 +141,11 @@
  * @class OFString OFString.h ObjFW/OFString.h
  *
  * @brief A class for handling strings.
  */
 @interface OFString: OFObject <OFCopying, OFMutableCopying, OFComparing,
-    OFSerialization, OFJSONRepresentation, OFMessagePackRepresentation>
+    OFJSONRepresentation, OFMessagePackRepresentation>
 /**
  * @brief The length of the string in Unicode codepoints.
  */
 @property (readonly, nonatomic) size_t length;
 
@@ -1369,11 +1368,10 @@
 # ifdef OF_HAVE_FILES
 #  import "OFString+PathAdditions.h"
 # endif
 # import "OFString+PercentEncoding.h"
 # import "OFString+PropertyListParsing.h"
-# import "OFString+Serialization.h"
 # import "OFString+XMLEscaping.h"
 # import "OFString+XMLUnescaping.h"
 #endif
 
 #if defined(__OBJC__) && !defined(NSINTEGER_DEFINED) && !__has_feature(modules)