@@ -14,12 +14,10 @@
  * file.
  */
 
 #include "config.h"
 
-#include <stdlib.h>
-
 #import "OFXMLNode.h"
 #import "OFString.h"
 
 #import "macros.h"
 
@@ -29,12 +27,11 @@
 	OF_INVALID_INIT_METHOD
 }
 
 - (OFString*)stringValue
 {
-	[self doesNotRecognizeSelector: _cmd];
-	abort();
+	OF_UNRECOGNIZED_SELECTOR
 }
 
 - (intmax_t)decimalValue
 {
 	return [[self stringValue] decimalValue];
@@ -68,25 +65,23 @@
 }
 
 - (OFString*)XMLStringWithIndentation: (unsigned int)indentation
 				level: (unsigned int)level
 {
-	[self doesNotRecognizeSelector: _cmd];
-	abort();
+	OF_UNRECOGNIZED_SELECTOR
 }
 
 - (OFString*)description
 {
 	return [self XMLStringWithIndentation: 2];
 }
 
 - (OFXMLElement*)XMLElementBySerializing
 {
-	[self doesNotRecognizeSelector: _cmd];
-	abort();
+	OF_UNRECOGNIZED_SELECTOR
 }
 
 - copy
 {
 	return [self retain];
 }
 @end