diff --git a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
index 56bd1cf..97ed2a4 100644
--- a/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
+++ b/asterix-algebra/src/main/java/edu/uci/ics/asterix/optimizer/rules/am/InvertedIndexAccessMethod.java
@@ -10,7 +10,6 @@
 import edu.uci.ics.asterix.algebra.base.LogicalOperatorDeepCopyVisitor;
 import edu.uci.ics.asterix.aql.util.FunctionUtils;
 import edu.uci.ics.asterix.common.config.DatasetConfig.IndexType;
-import edu.uci.ics.asterix.dataflow.data.common.ListEditDistanceSearchModifierFactory;
 import edu.uci.ics.asterix.formats.nontagged.AqlBinaryComparatorFactoryProvider;
 import edu.uci.ics.asterix.formats.nontagged.AqlBinaryTokenizerFactoryProvider;
 import edu.uci.ics.asterix.formats.nontagged.AqlTypeTraitProvider;
@@ -61,6 +60,7 @@
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ConjunctiveSearchModifierFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.EditDistanceSearchModifierFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.JaccardSearchModifierFactory;
+import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.search.ListEditDistanceSearchModifierFactory;
 import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.tokenizers.IBinaryTokenizerFactory;
 
 /**
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java
deleted file mode 100644
index cf3bf9f..0000000
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifier.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package edu.uci.ics.asterix.dataflow.data.common;
-
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-
-// TODO: Should go into hyracks.
-public class ListEditDistanceSearchModifier implements IInvertedIndexSearchModifier {
-
-    private int edThresh;
-
-    public ListEditDistanceSearchModifier(int edThresh) {
-        this.edThresh = edThresh;
-    }
-
-    public int getEdThresh() {
-        return edThresh;
-    }
-
-    public void setEdThresh(int edThresh) {
-        this.edThresh = edThresh;
-    }
-
-    @Override
-    public int getOccurrenceThreshold(int numQueryTokens) {
-        return numQueryTokens - edThresh;
-    }
-
-    @Override
-    public int getNumPrefixLists(int occurrenceThreshold, int numInvLists) {
-        return numInvLists - occurrenceThreshold + 1;
-    }
-
-    @Override
-    public short getNumTokensLowerBound(short numQueryTokens) {
-        return (short) (numQueryTokens - edThresh);
-    }
-
-    @Override
-    public short getNumTokensUpperBound(short numQueryTokens) {
-        return (short) (numQueryTokens + edThresh);
-    }
-}
diff --git a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java b/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java
deleted file mode 100644
index 4148c85..0000000
--- a/asterix-om/src/main/java/edu/uci/ics/asterix/dataflow/data/common/ListEditDistanceSearchModifierFactory.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package edu.uci.ics.asterix.dataflow.data.common;
-
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifier;
-import edu.uci.ics.hyracks.storage.am.lsm.invertedindex.api.IInvertedIndexSearchModifierFactory;
-
-// TODO: Should go into hyracks.
-public class ListEditDistanceSearchModifierFactory implements IInvertedIndexSearchModifierFactory {
-
-    private static final long serialVersionUID = 1L;
-
-    private final int edThresh;
-
-    public ListEditDistanceSearchModifierFactory(int edThresh) {
-        this.edThresh = edThresh;
-    }
-
-    @Override
-    public IInvertedIndexSearchModifier createSearchModifier() {
-        return new ListEditDistanceSearchModifier(edThresh);
-    }
-}