--- old/test/langtools/tools/javac/classfiles/ClassVersionChecker.java	2018-07-05 18:56:02.896000000 -0700
+++ new/test/langtools/tools/javac/classfiles/ClassVersionChecker.java	2018-07-05 18:56:02.760000000 -0700
@@ -42,7 +42,6 @@
  */
 public class ClassVersionChecker {
     private static enum Version {
-        SIX("6", 50),
         SEVEN("7", 51),
         EIGHT("8", 52),
         NINE("9", 53),