--- a/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteCodes.java	Fri May 20 17:00:03 2016 -0700
+++ b/langtools/src/jdk.jshell/share/classes/jdk/internal/jshell/remote/RemoteCodes.java	Sat May 21 22:32:08 2016 -0700
@@ -25,8 +25,6 @@
 
 package jdk.internal.jshell.remote;
 
-import java.util.regex.Pattern;
-
 /**
  * Communication constants shared between the main process and the remote
  * execution process
@@ -46,13 +44,4 @@
     public static final int RESULT_EXCEPTION = 102;
     public static final int RESULT_CORRALLED = 103;
     public static final int RESULT_KILLED    = 104;
-
-    // String constants
-    public static final String REPL_PACKAGE = "REPL";
-    public static final String REPL_CLASS_PREFIX = "$JShell$";
-    public static final String DOIT_METHOD_NAME = "do_it$";
-    public static final Pattern PREFIX_PATTERN = Pattern.compile(
-            "(" + REPL_PACKAGE + "\\.)?" +
-            "(?<class>" + Pattern.quote(REPL_CLASS_PREFIX) +
-            "\\w+" + ")" + "[\\$\\.]?");
 }