@@ -21,11 +21,11 @@
 #import "OFXMLElement.h"
 #import "OFDataArray.h"
 
 #import "OFInvalidArgumentException.h"
 
-@interface OFNull (OF_PRIVATE_CATEGORY)
+@interface OFNull ()
 - (OFString*)OF_JSONRepresentationWithOptions: (int)options
 					depth: (size_t)depth;
 @end
 
 static OFNull *null = nil;