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diff --git a/qpid/cpp/src/qpid/cluster/Quorum_null.h b/qpid/cpp/src/qpid/cluster/Quorum_null.h
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+++ b/qpid/cpp/src/qpid/cluster/Quorum_null.h
@@ -0,0 +1,42 @@
+#ifndef QPID_CLUSTER_QUORUM_NULL_H
+#define QPID_CLUSTER_QUORUM_NULL_H
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <boost/shared_ptr.hpp>
+#include <boost/function.hpp>
+
+namespace qpid {
+namespace cluster {
+class Cluster;
+
+/** Null implementation of quorum. */
+
+class Quorum {
+  public:
+    Quorum(boost::function<void ()>) {}
+    void start(boost::shared_ptr<sys::Poller>) {}
+};
+
+#endif  /*!QPID_CLUSTER_QUORUM_NULL_H*/
+
+}} // namespace qpid::cluster