diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
index 26564e0..6e2d694 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTree.java
@@ -718,6 +718,7 @@
                 }
                 if (restartOp) {
                     // Wait for the SMO to persistFrontiers before restarting.
+                    // We didn't release the pin on the page!!
                     treeLatch.readLock().lock();
                     treeLatch.readLock().unlock();
                     ctx.getPageLsns().removeLast();
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
index 82df92c..10f79a2 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCountingSearchCursor.java
@@ -234,16 +234,6 @@
     }
 
     @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
-    @Override
     public void setBufferCache(IBufferCache bufferCache) {
         this.bufferCache = bufferCache;
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
index 065cfe3..1ae7e33 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeCursorInitialState.java
@@ -33,8 +33,7 @@
     private MultiComparator originalKeyCmp;
     private final IIndexAccessor accessor;
 
-    public BTreeCursorInitialState(ICachedPage page, ISearchOperationCallback searchCallback, IIndexAccessor accessor) {
-        this.page = page;
+    public BTreeCursorInitialState(ISearchOperationCallback searchCallback, IIndexAccessor accessor) {
         this.searchCallback = searchCallback;
         this.accessor = accessor;
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
index cb82936..a46ae9a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeOpContext.java
@@ -142,7 +142,7 @@
     public void setOperation(IndexOperation newOp) {
         if (newOp == IndexOperation.SEARCH || newOp == IndexOperation.DISKORDERSCAN) {
             if (cursorInitialState == null) {
-                cursorInitialState = new BTreeCursorInitialState(null, searchCallback, accessor);
+                cursorInitialState = new BTreeCursorInitialState(searchCallback, accessor);
             }
         } else {
             // Insert, delete, update or upsert operation.
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
index a75c9f7..e903180 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/impls/BTreeRangeSearchCursor.java
@@ -97,16 +97,6 @@
         return frameTuple;
     }
 
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
     public int getTupleOffset() {
         return frame.getTupleOffset(tupleIndex - 1);
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ILSMIndexCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ILSMIndexCursor.java
new file mode 100644
index 0000000..979ff51
--- /dev/null
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/api/ILSMIndexCursor.java
@@ -0,0 +1,36 @@
+/*
+ * 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.hyracks.storage.am.common.api;
+
+import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.common.IIndexCursor;
+
+public interface ILSMIndexCursor extends IIndexCursor {
+    /**
+     * @return the min tuple of the corresponding component's filter
+     */
+    ITupleReference getFilterMinTuple();
+
+    /**
+     *
+     * @return the max tuple of the corresponding component's filter
+     */
+    ITupleReference getFilterMaxTuple();
+}
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
index 09812c1..f67424e 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/dataflow/IndexSearchOperatorNodePushable.java
@@ -38,6 +38,7 @@
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import org.apache.hyracks.dataflow.std.base.AbstractUnaryInputUnaryOutputOperatorNodePushable;
 import org.apache.hyracks.storage.am.common.api.IIndexDataflowHelper;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
 import org.apache.hyracks.storage.am.common.impls.IndexAccessParameters;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
@@ -180,8 +181,8 @@
             ITupleReference tuple = cursor.getTuple();
             writeTupleToOutput(tuple);
             if (appendIndexFilter) {
-                writeFilterTupleToOutput(cursor.getFilterMinTuple());
-                writeFilterTupleToOutput(cursor.getFilterMaxTuple());
+                writeFilterTupleToOutput(((ILSMIndexCursor)cursor).getFilterMinTuple());
+                writeFilterTupleToOutput(((ILSMIndexCursor)cursor).getFilterMaxTuple());
             }
             FrameUtils.appendToWriter(writer, appender, tb.getFieldEndOffsets(), tb.getByteArray(), 0, tb.getSize());
         }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
index 3cbcf70..b2c26db 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-common/src/main/java/org/apache/hyracks/storage/am/common/impls/TreeIndexDiskOrderScanCursor.java
@@ -58,16 +58,6 @@
         return frameTuple;
     }
 
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
     private boolean positionToNextLeaf(boolean skipCurrent) throws HyracksDataException {
         while (frame.getLevel() != 0 || skipCurrent || frame.getTupleCount() == 0) {
             if (++currentPageId > maxPageId) {
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
index 31e0356..0c39a11 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreePointSearchCursor.java
@@ -27,6 +27,7 @@
 import org.apache.hyracks.storage.am.btree.impls.BTree;
 import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
 import org.apache.hyracks.storage.am.common.impls.NoOpIndexAccessParameters;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
@@ -41,7 +42,7 @@
 import org.apache.hyracks.storage.common.ISearchOperationCallback;
 import org.apache.hyracks.storage.common.ISearchPredicate;
 
-public class LSMBTreePointSearchCursor implements IIndexCursor {
+public class LSMBTreePointSearchCursor implements ILSMIndexCursor {
 
     private ITreeIndexCursor[] btreeCursors;
     private final ILSMIndexOperationContext opCtx;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
index fa06d07..0ceaf7b 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeSearchCursor.java
@@ -22,12 +22,13 @@
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
 import org.apache.hyracks.storage.common.ICursorInitialState;
 import org.apache.hyracks.storage.common.IIndexCursor;
 import org.apache.hyracks.storage.common.ISearchPredicate;
 
-public class LSMBTreeSearchCursor implements IIndexCursor {
+public class LSMBTreeSearchCursor implements ILSMIndexCursor {
 
     public enum LSMBTreeSearchType {
         POINT,
@@ -37,7 +38,7 @@
     private final LSMBTreePointSearchCursor pointCursor;
     private final LSMBTreeRangeSearchCursor rangeCursor;
     private final LSMBTreeDiskComponentScanCursor scanCursor;
-    private IIndexCursor currentCursor;
+    private ILSMIndexCursor currentCursor;
 
     public LSMBTreeSearchCursor(ILSMIndexOperationContext opCtx) {
         pointCursor = new LSMBTreePointSearchCursor(opCtx);
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
index 50aeefb..b37fb20 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/LSMBTreeWithBuddyAbstractCursor.java
@@ -28,6 +28,7 @@
 import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
 import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.common.api.ITreeIndexCursor;
 import org.apache.hyracks.storage.am.common.impls.NoOpIndexAccessParameters;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
@@ -40,7 +41,7 @@
 import org.apache.hyracks.storage.common.ISearchPredicate;
 import org.apache.hyracks.storage.common.MultiComparator;
 
-public abstract class LSMBTreeWithBuddyAbstractCursor implements IIndexCursor {
+public abstract class LSMBTreeWithBuddyAbstractCursor implements ILSMIndexCursor {
 
     protected boolean open;
     protected BTreeRangeSearchCursor[] btreeCursors;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
index 2ba8a88..7f3a371 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-common/src/main/java/org/apache/hyracks/storage/am/lsm/common/impls/LSMIndexSearchCursor.java
@@ -26,6 +26,7 @@
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
@@ -34,7 +35,7 @@
 import org.apache.hyracks.storage.common.IIndexCursor;
 import org.apache.hyracks.storage.common.MultiComparator;
 
-public abstract class LSMIndexSearchCursor implements IIndexCursor {
+public abstract class LSMIndexSearchCursor implements ILSMIndexCursor {
     protected static final int SWITCH_COMPONENT_CYCLE = 100;
     protected final ILSMIndexOperationContext opCtx;
     protected final boolean returnDeletedTuples;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
index 14ea6e1..ce9f760 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexSearchCursor.java
@@ -24,6 +24,7 @@
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
 import org.apache.hyracks.storage.am.bloomfilter.impls.BloomFilter;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent.LSMComponentType;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponentFilter;
@@ -40,7 +41,7 @@
  * Searches the components one-by-one, completely consuming a cursor before moving on to the next one.
  * Therefore, the are no guarantees about sort order of the results.
  */
-public class LSMInvertedIndexSearchCursor implements IIndexCursor {
+public class LSMInvertedIndexSearchCursor implements ILSMIndexCursor {
 
     private IIndexAccessor currentAccessor;
     private IIndexCursor currentCursor;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
index 632d739..d1e6531 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexRangeSearchCursor.java
@@ -130,14 +130,4 @@
     public ITupleReference getTuple() {
         return concatTuple;
     }
-
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
index 1aab6e1..97f1f76 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/ondisk/OnDiskInvertedIndexSearchCursor.java
@@ -94,16 +94,6 @@
     }
 
     @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
-    @Override
     public void close() {
         currentBufferIndex = 0;
         tupleIndex = 0;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
index 8baa3b5..a477baf 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeAbstractCursor.java
@@ -28,6 +28,7 @@
 import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor;
 import org.apache.hyracks.storage.am.btree.impls.BTreeRangeSearchCursor;
 import org.apache.hyracks.storage.am.btree.impls.RangePredicate;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.am.common.impls.NoOpIndexAccessParameters;
 import org.apache.hyracks.storage.am.common.impls.NoOpOperationCallback;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
@@ -45,7 +46,7 @@
 import org.apache.hyracks.storage.common.ISearchPredicate;
 import org.apache.hyracks.storage.common.MultiComparator;
 
-public abstract class LSMRTreeAbstractCursor implements IIndexCursor {
+public abstract class LSMRTreeAbstractCursor implements ILSMIndexCursor {
 
     protected boolean open;
     protected RTreeSearchCursor[] rtreeCursors;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
index 121bac1..c2a2bf5 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/LSMRTreeWithAntiMatterTuplesFlushCursor.java
@@ -22,12 +22,13 @@
 import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 import org.apache.hyracks.api.exceptions.HyracksDataException;
 import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
+import org.apache.hyracks.storage.am.common.api.ILSMIndexCursor;
 import org.apache.hyracks.storage.common.ICursorInitialState;
 import org.apache.hyracks.storage.common.IIndexCursor;
 import org.apache.hyracks.storage.common.ISearchPredicate;
 import org.apache.hyracks.storage.common.MultiComparator;
 
-public class LSMRTreeWithAntiMatterTuplesFlushCursor implements IIndexCursor {
+public class LSMRTreeWithAntiMatterTuplesFlushCursor implements ILSMIndexCursor {
     private final TreeTupleSorter rTreeTupleSorter;
     private final TreeTupleSorter bTreeTupleSorter;
     private final int[] comparatorFields;
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
index 787bd67..6fe6b60 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/TreeTupleSorter.java
@@ -96,16 +96,6 @@
         return frameTuple1;
     }
 
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
     public void insertTupleEntry(int pageId, int tupleOffset) {
         if (numTuples * 2 == tPointers.length) {
             int[] newData = new int[tPointers.length + ARRAY_GROWTH];
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
index f9bc59a..3f4e00a 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/impls/RTreeSearchCursor.java
@@ -79,16 +79,6 @@
         return frameTuple;
     }
 
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
-
     public int getTupleOffset() {
         return leafFrame.getTupleOffset(currentTupleIndex);
     }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/EnforcedIndexCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/EnforcedIndexCursor.java
index 62a56e6..19dfbab 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/EnforcedIndexCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/EnforcedIndexCursor.java
@@ -98,14 +98,4 @@
     public ITupleReference getTuple() {
         return null;
     }
-
-    @Override
-    public ITupleReference getFilterMinTuple() {
-        return null;
-    }
-
-    @Override
-    public ITupleReference getFilterMaxTuple() {
-        return null;
-    }
 }
diff --git a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IIndexCursor.java b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IIndexCursor.java
index 57775d6..b561e25 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IIndexCursor.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-common/src/main/java/org/apache/hyracks/storage/common/IIndexCursor.java
@@ -94,15 +94,4 @@
      * @return the tuple pointed to by the cursor
      */
     ITupleReference getTuple();
-
-    /**
-     * @return the min tuple of the current index's filter
-     */
-    ITupleReference getFilterMinTuple();
-
-    /**
-     *
-     * @return the max tuple of the current index's filter
-     */
-    ITupleReference getFilterMaxTuple();
 }