@@ -190,11 +190,10 @@
 extern unsigned int objc_getClassList(Class*, unsigned int);
 extern Class* objc_copyClassList(unsigned int*);
 extern bool class_isMetaClass(Class);
 extern const char* class_getName(Class);
 extern Class class_getSuperclass(Class);
-extern bool class_isKindOfClass(Class, Class);
 extern unsigned long class_getInstanceSize(Class);
 extern bool class_respondsToSelector(Class, SEL);
 extern bool class_conformsToProtocol(Class, Protocol*);
 extern IMP class_getMethodImplementation(Class, SEL);
 extern IMP class_getMethodImplementation_stret(Class, SEL);