--- old/src/java.base/share/classes/java/util/jar/JavaUtilJarAccessImpl.java	2017-11-27 17:23:37.000000000 -0800
+++ new/src/java.base/share/classes/java/util/jar/JavaUtilJarAccessImpl.java	2017-11-27 17:23:36.000000000 -0800
@@ -60,8 +60,4 @@
     public List<Object> getManifestDigests(JarFile jar) {
         return jar.getManifestDigests();
     }
-
-    public String getRealName(JarFile jar, JarEntry entry) {
-        return jar.getRealName(entry);
-    }
 }