src/java.base/share/classes/jdk/internal/access/JavaLangAccess.java

*** 122,16 ***
       * Class object does not represent an enum type;
       * the result is uncloned, cached, and shared by all callers.
       */
      <E extends Enum<E>> E[] getEnumConstantsShared(Class<E> klass);
  
-     /**
-      * Returns the big-endian packed minor-major version of the class file
-      * of this class.
-      */
-     int classFileVersion(Class<?> clazz);
- 
      /**
       * Set current thread's blocker field.
       */
      void blockedOn(Interruptible b);
  
--- 122,10 ---