diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexInstantSearchOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexInstantSearchOperationCallback.java
index 718ea3f..a78f2ff 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexInstantSearchOperationCallback.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexInstantSearchOperationCallback.java
@@ -48,7 +48,7 @@
     public void reconcile(ITupleReference tuple) throws HyracksDataException {
         int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
         try {
-            lockManager.instantLock(datasetId, pkHash, LockMode.S, txnCtx);
+            lockManager.lock(datasetId, pkHash, LockMode.S, txnCtx);
         } catch (ACIDException e) {
             throw new HyracksDataException(e);
         }
@@ -58,4 +58,14 @@
     public void cancel(ITupleReference tuple) throws HyracksDataException {
         //no op
     }
+
+    @Override
+    public void complete(ITupleReference tuple) throws HyracksDataException {
+        int pkHash = computePrimaryKeyHashValue(tuple, primaryKeyFields);
+        try {
+            lockManager.unlock(datasetId, pkHash, txnCtx);
+        } catch (ACIDException e) {
+            throw new HyracksDataException(e);
+        }
+    }
 }
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java
index 4760307..62ec3c9 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/PrimaryIndexSearchOperationCallback.java
@@ -28,8 +28,8 @@
  */
 public class PrimaryIndexSearchOperationCallback extends AbstractOperationCallback implements ISearchOperationCallback {
 
-    public PrimaryIndexSearchOperationCallback(int datasetId, int[] entityIdFields,
-            ILockManager lockManager, TransactionContext txnCtx) {
+    public PrimaryIndexSearchOperationCallback(int datasetId, int[] entityIdFields, ILockManager lockManager,
+            TransactionContext txnCtx) {
         super(datasetId, entityIdFields, txnCtx, lockManager);
     }
 
@@ -62,4 +62,9 @@
             throw new HyracksDataException(e);
         }
     }
+
+    @Override
+    public void complete(ITupleReference tuple) throws HyracksDataException {
+        //no op
+    }
 }
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java
index c53b651..4c8a583 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/opcallbacks/SecondaryIndexSearchOperationCallback.java
@@ -44,4 +44,9 @@
         // Do nothing.
     }
 
+    @Override
+    public void complete(ITupleReference tuple) throws HyracksDataException {
+        // Do nothing.
+    }
+
 }