--- xnu/xnu-4570.71.2/libkern/c++/OSMetaClass.cpp
+++ xnu/xnu-4570.31.3/libkern/c++/OSMetaClass.cpp
@@ -466,7 +466,7 @@
         if (myKext) {
             sAllClassesDict->removeObject(className);
         } else {
-            sAllClassesDict->removeObject((const char *)className);
+            sAllClassesDict->removeObject((char *)className);
         }
     }
     IOLockUnlock(sAllClassesLock);