diff --git a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenInnerJoin.java b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenInnerJoin.java
index b9d1d74..9d23ca8 100644
--- a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenInnerJoin.java
+++ b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenInnerJoin.java
@@ -230,10 +230,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
@@ -453,10 +454,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
diff --git a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoin.java b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoin.java
index bc5ab14..250d245 100644
--- a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoin.java
+++ b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoin.java
@@ -213,10 +213,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
@@ -414,9 +415,10 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
                 null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
diff --git a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSingleSort.java b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSingleSort.java
index a47101d..f796dd7 100644
--- a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSingleSort.java
+++ b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSingleSort.java
@@ -205,10 +205,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
@@ -391,10 +392,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
diff --git a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSort.java b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSort.java
index 96cfaba..cb6c215 100644
--- a/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSort.java
+++ b/pregelix-core/src/main/java/edu/uci/ics/pregelix/core/jobgen/JobGenOuterJoinSort.java
@@ -219,10 +219,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */
@@ -424,10 +425,11 @@
         /**
          * add the delete operator to delete vertexes
          */
+        int[] fieldPermutationDelete = new int[] { 0 };
         TreeIndexInsertUpdateDeleteOperatorDescriptor deleteOp = new TreeIndexInsertUpdateDeleteOperatorDescriptor(
                 spec, rdDelete, storageManagerInterface, lcManagerProvider, fileSplitProvider, typeTraits,
-                comparatorFactories, null, fieldPermutation, IndexOperation.DELETE, new BTreeDataflowHelperFactory(),
-                null, NoOpOperationCallbackFactory.INSTANCE);
+                comparatorFactories, null, fieldPermutationDelete, IndexOperation.DELETE,
+                new BTreeDataflowHelperFactory(), null, NoOpOperationCallbackFactory.INSTANCE);
         ClusterConfig.setLocationConstraint(spec, deleteOp);
 
         /** construct empty sink operator */