diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorDescriptor.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorDescriptor.java
deleted file mode 100644
index 5746190..0000000
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorDescriptor.java
+++ /dev/null
@@ -1,51 +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.storage.am.lsm.btree.dataflow;
-
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
-import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
-import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
-import edu.uci.ics.hyracks.api.job.JobSpecification;
-import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider;
-import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
-
-public class LSMBTreeSearchOperatorDescriptor extends BTreeSearchOperatorDescriptor {
-
-    private static final long serialVersionUID = 1L;
-    
-    public LSMBTreeSearchOperatorDescriptor(JobSpecification spec, RecordDescriptor recDesc,
-            IStorageManagerInterface storageManager, IIndexRegistryProvider<IIndex> indexRegistryProvider,
-            IFileSplitProvider fileSplitProvider, ITypeTraits[] typeTraits,
-            IBinaryComparatorFactory[] comparatorFactories, int[] lowKeyFields, int[] highKeyFields,
-            boolean lowKeyInclusive, boolean highKeyInclusive, IIndexDataflowHelperFactory dataflowHelperFactory) {
-        super(spec, recDesc, storageManager, indexRegistryProvider, fileSplitProvider, typeTraits, comparatorFactories,
-                lowKeyFields, highKeyFields, lowKeyInclusive, highKeyInclusive, dataflowHelperFactory);
-    }    
-
-    @Override
-    public IOperatorNodePushable createPushRuntime(final IHyracksTaskContext ctx,
-            IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
-        return new LSMBTreeSearchOperatorNodePushable(this, ctx, partition, recordDescProvider, lowKeyFields,
-                highKeyFields, lowKeyInclusive, highKeyInclusive);
-    }
-}
\ No newline at end of file
diff --git a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorNodePushable.java b/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorNodePushable.java
deleted file mode 100644
index e818858..0000000
--- a/hyracks-storage-am-lsm-btree/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/btree/dataflow/LSMBTreeSearchOperatorNodePushable.java
+++ /dev/null
@@ -1,41 +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.storage.am.lsm.btree.dataflow;
-
-import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
-import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
-import edu.uci.ics.hyracks.storage.am.btree.dataflow.BTreeSearchOperatorNodePushable;
-import edu.uci.ics.hyracks.storage.am.btree.impls.RangePredicate;
-import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
-import edu.uci.ics.hyracks.storage.am.common.api.ISearchPredicate;
-import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
-import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree;
-
-public class LSMBTreeSearchOperatorNodePushable extends BTreeSearchOperatorNodePushable {
-    public LSMBTreeSearchOperatorNodePushable(AbstractTreeIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx,
-            int partition, IRecordDescriptorProvider recordDescProvider, int[] lowKeyFields, int[] highKeyFields,
-            boolean lowKeyInclusive, boolean highKeyInclusive) {
-        super(opDesc, ctx, partition, recordDescProvider, lowKeyFields, highKeyFields, lowKeyInclusive,
-                highKeyInclusive);
-    }
-
-    @Override
-    protected ISearchPredicate createSearchPredicate() {
-        LSMBTree lsmBtree = (LSMBTree) treeIndex;
-        lowKeySearchCmp = BTreeUtils.getSearchMultiComparator(lsmBtree.getComparatorFactories(), lowKey);
-        highKeySearchCmp = BTreeUtils.getSearchMultiComparator(lsmBtree.getComparatorFactories(), highKey);
-        return new RangePredicate(lowKey, highKey, lowKeyInclusive, highKeyInclusive, lowKeySearchCmp, highKeySearchCmp);
-    }
-}
\ No newline at end of file