diff --git a/hyracks/hyracks-dataflow-std/pom.xml b/hyracks/hyracks-dataflow-std/pom.xml
index 0cb5516..bf27d20 100644
--- a/hyracks/hyracks-dataflow-std/pom.xml
+++ b/hyracks/hyracks-dataflow-std/pom.xml
@@ -18,8 +18,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
         </configuration>
       </plugin>
     </plugins>
diff --git a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java b/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java
deleted file mode 100644
index e500307..0000000
--- a/hyracks/hyracks-dataflow-std/src/main/java/edu/uci/ics/hyracks/dataflow/std/result/ResultWriterOperatorDescriptor.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright 2009-2010 by The Regents of the University of California
- * Licensed 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 from
- * 
- *     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 edu.uci.ics.hyracks.dataflow.std.result;
-
-import java.io.IOException;
-import java.io.PrintStream;
-import java.nio.ByteBuffer;
-
-import edu.uci.ics.hyracks.api.comm.IFrameWriter;
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializer;
-import edu.uci.ics.hyracks.api.dataflow.value.IResultSerializerFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.dataset.IDatasetPartitionManager;
-import edu.uci.ics.hyracks.api.dataset.ResultSetId;
-import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
-import edu.uci.ics.hyracks.api.exceptions.HyracksException;
-import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameOutputStream;
-import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor;
-import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable;
-
-public class ResultWriterOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor {
-    private static final long serialVersionUID = 1L;
-
-    private final ResultSetId rsId;
-
-    private final boolean ordered;
-
-    private final RecordDescriptor recordDescriptor;
-
-    private final IResultSerializerFactory resultSerializerFactory;
-
-    public ResultWriterOperatorDescriptor(IOperatorDescriptorRegistry spec, ResultSetId rsId, boolean ordered,
-            RecordDescriptor recordDescriptor, IResultSerializerFactory resultSerializerFactory) throws IOException {
-        super(spec, 1, 0);
-        this.rsId = rsId;
-        this.ordered = ordered;
-        this.recordDescriptor = recordDescriptor;
-        this.resultSerializerFactory = resultSerializerFactory;
-    }
-
-    @Override
-    public IOperatorNodePushable createPushRuntime(final IHyracksTaskContext ctx,
-            IRecordDescriptorProvider recordDescProvider, final int partition, final int nPartitions) {
-        final IDatasetPartitionManager dpm = ctx.getDatasetPartitionManager();
-
-        final ByteBuffer outputBuffer = ctx.allocateFrame();
-
-        final FrameOutputStream frameOutputStream = new FrameOutputStream(ctx.getFrameSize());
-        frameOutputStream.reset(outputBuffer, true);
-        PrintStream printStream = new PrintStream(frameOutputStream);
-
-        final IResultSerializer resultSerializer = resultSerializerFactory.createResultSerializer(printStream);
-
-        final FrameTupleAccessor frameTupleAccessor = new FrameTupleAccessor(ctx.getFrameSize(), recordDescriptor);
-
-        return new AbstractUnaryInputSinkOperatorNodePushable() {
-            IFrameWriter datasetPartitionWriter;
-
-            @Override
-            public void open() throws HyracksDataException {
-                try {
-                    datasetPartitionWriter = dpm.createDatasetPartitionWriter(ctx, rsId, ordered, partition, nPartitions);
-                    datasetPartitionWriter.open();
-                    resultSerializer.init();
-                } catch (HyracksException e) {
-                    throw new HyracksDataException(e);
-                }
-            }
-
-            @Override
-            public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
-                frameTupleAccessor.reset(buffer);
-                for (int tIndex = 0; tIndex < frameTupleAccessor.getTupleCount(); tIndex++) {
-                    resultSerializer.appendTuple(frameTupleAccessor, tIndex);
-                    if (!frameOutputStream.appendTuple()) {
-                        datasetPartitionWriter.nextFrame(outputBuffer);
-                        frameOutputStream.reset(outputBuffer, true);
-
-                        /* TODO(madhusudancs): This works under the assumption that no single serialized record is
-                         * longer than the buffer size.
-                         */
-                        resultSerializer.appendTuple(frameTupleAccessor, tIndex);
-                        frameOutputStream.appendTuple();
-                    }
-                }
-            }
-
-            @Override
-            public void fail() throws HyracksDataException {
-                datasetPartitionWriter.fail();
-            }
-
-            @Override
-            public void close() throws HyracksDataException {
-                if (frameOutputStream.getTupleCount() > 0) {
-                    datasetPartitionWriter.nextFrame(outputBuffer);
-                    frameOutputStream.reset(outputBuffer, true);
-                }
-                datasetPartitionWriter.close();
-            }
-        };
-    }
-}
\ No newline at end of file