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diff --git a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java b/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java
deleted file mode 100644
index 9e6f3b3087..0000000000
--- a/java/sca/modules/core/src/main/java/org/apache/tuscany/sca/core/work/impl/DefaultWorkScheduler.java
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.tuscany.sca.core.work.impl;
-
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-
-import org.apache.tuscany.sca.core.LifeCycleListener;
-import org.apache.tuscany.sca.work.NotificationListener;
-import org.apache.tuscany.sca.work.WorkScheduler;
-import org.apache.tuscany.sca.work.WorkSchedulerException;
-
-/**
- * A work scheduler implementation based on a JSR 237 work manager.
- * <p/>
- * <p/>
- * This needs a JSR 237 work manager implementation available for scheduling work. Instances can be configured with a
- * work manager implementation that is injected in. It is the responsibility of the runtime environment to make a work
- * manager implementation available. For example, if the managed environment supports work manager the runtime can use
- * the appropriate lookup mechanism to inject the work manager implementation. </p>
- *
- * @version $Rev$ $Date$
- */
-public class DefaultWorkScheduler implements WorkScheduler, LifeCycleListener {
-
- /**
- * Underlying JSR-237 work manager
- */
- private ThreadPoolWorkManager jsr237WorkManager;
-
- /**
- * Initializes the JSR 237 work manager.
- *
- * @param jsr237WorkManager JSR 237 work manager.
- */
- public DefaultWorkScheduler() {
- }
-
- private synchronized ThreadPoolWorkManager getWorkManager() {
- if (jsr237WorkManager != null) {
- return jsr237WorkManager;
- }
-// try {
-// InitialContext ctx = new InitialContext();
-// jsr237WorkManager = (ThreadPoolWorkManager)ctx.lookup("java:comp/env/wm/TuscanyWorkManager");
-// } catch (Throwable e) {
-// // ignore
-// }
- if (jsr237WorkManager == null) {
- jsr237WorkManager = new ThreadPoolWorkManager(0);
- }
- return jsr237WorkManager;
- }
-
- /**
- * Schedules a unit of work for future execution. The notification listener is used to register interest in
- * callbacks regarding the status of the work.
- *
- * @param work The unit of work that needs to be asynchronously executed.
- */
- public <T extends Runnable> void scheduleWork(T work) {
- scheduleWork(work, null);
- }
-
- /**
- * Schedules a unit of work for future execution. The notification listener is used to register interest in
- * callbacks regarding the status of the work.
- *
- * @param work The unit of work that needs to be asynchronously executed.
- * @param listener Notification listener for callbacks.
- */
- public <T extends Runnable> void scheduleWork(T work, NotificationListener<T> listener) {
-
- if (work == null) {
- throw new IllegalArgumentException("Work cannot be null");
- }
-
- Work<T> jsr237Work = new Work<T>(work);
- try {
- if (listener == null) {
- getWorkManager().schedule(jsr237Work);
- } else {
- Jsr237WorkListener<T> jsr237WorkListener = new Jsr237WorkListener<T>(listener, work);
- getWorkManager().schedule(jsr237Work, jsr237WorkListener);
- }
- } catch (IllegalArgumentException ex) {
- if (listener != null) {
- listener.workRejected(work);
- } else {
- throw new WorkSchedulerException(ex);
- }
- } catch (Exception ex) {
- throw new WorkSchedulerException(ex);
- }
-
- }
-
- public void start() {
- }
-
- public void stop() {
- if (jsr237WorkManager instanceof ThreadPoolWorkManager) {
- // Allow privileged access to modify threads. Requires RuntimePermission in security
- // policy.
- AccessController.doPrivileged(new PrivilegedAction<Object>() {
- public Object run() {
- ((ThreadPoolWorkManager)jsr237WorkManager).destroy();
- return null;
- }
- });
- }
- }
-
- /*
- * WorkListener for keeping track of work status callbacks.
- *
- */
- private class Jsr237WorkListener<T extends Runnable> implements WorkListener {
-
- // Notification listener
- private NotificationListener<T> listener;
-
- // Work
- private T work;
-
- /*
- * Initializes the notification listener.
- */
- public Jsr237WorkListener(NotificationListener<T> listener, T work) {
- this.listener = listener;
- this.work = work;
- }
-
- /*
- * Callback when the work is accepted.
- */
- public void workAccepted(WorkEvent workEvent) {
- T work = getWork();
- listener.workAccepted(work);
- }
-
- /*
- * Callback when the work is rejected.
- */
- public void workRejected(WorkEvent workEvent) {
- T work = getWork();
- listener.workRejected(work);
- }
-
- /*
- * Callback when the work is started.
- */
- public void workStarted(WorkEvent workEvent) {
- T work = getWork();
- listener.workStarted(work);
- }
-
- /*
- * Callback when the work is completed.
- */
- public void workCompleted(WorkEvent workEvent) {
- T work = getWork();
- Exception exception = workEvent.getException();
- if (exception != null) {
- listener.workFailed(work, exception);
- } else {
- listener.workCompleted(work);
- }
- }
-
- /*
- * Gets the underlying work from the work event.
- */
- private T getWork() {
- return work;
- }
-
- }
-}