--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/ClassTracker.java	Fri May 20 17:00:03 2016 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package jdk.jshell;
-
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Objects;
-import com.sun.jdi.ReferenceType;
-
-/**
- * Tracks the state of a class through compilation and loading in the remote
- * environment.
- *
- * @author Robert Field
- */
-class ClassTracker {
-
-    private final JShell state;
-    private final HashMap<String, ClassInfo> map;
-
-    ClassTracker(JShell state) {
-        this.state = state;
-        this.map = new HashMap<>();
-    }
-
-    class ClassInfo {
-
-        private final String className;
-        private byte[] bytes;
-        private byte[] loadedBytes;
-        private ReferenceType rt;
-
-        private ClassInfo(String className) {
-            this.className = className;
-        }
-
-        String getClassName() {
-            return className;
-        }
-
-        byte[] getBytes() {
-            return bytes;
-        }
-
-        void setBytes(byte[] bytes) {
-            this.bytes = bytes;
-        }
-
-        void setLoaded() {
-            loadedBytes = bytes;
-        }
-
-        boolean isLoaded() {
-            return Arrays.equals(loadedBytes, bytes);
-        }
-
-        ReferenceType getReferenceTypeOrNull() {
-            if (rt == null) {
-                rt = state.executionControl().nameToRef(className);
-            }
-            return rt;
-        }
-
-        @Override
-        public boolean equals(Object o) {
-            return o instanceof ClassInfo &&
-                    ((ClassInfo) o).className.equals(className);
-        }
-
-        @Override
-        public int hashCode() {
-            return Objects.hashCode(this.className);
-        }
-    }
-
-    ClassInfo classInfo(String className, byte[] bytes) {
-        ClassInfo ci = map.computeIfAbsent(className, k -> new ClassInfo(k));
-        ci.setBytes(bytes);
-        return ci;
-    }
-
-    ClassInfo get(String className) {
-        return map.get(className);
-    }
-}