diff --git a/src/client/java/teammates/client/scripts/sql/DataMigrationForAccountAndReadNotificationSql.java b/src/client/java/teammates/client/scripts/sql/DataMigrationForAccountAndReadNotificationSql.java
index 0d7becb01ec..2401b05acc2 100644
--- a/src/client/java/teammates/client/scripts/sql/DataMigrationForAccountAndReadNotificationSql.java
+++ b/src/client/java/teammates/client/scripts/sql/DataMigrationForAccountAndReadNotificationSql.java
@@ -20,11 +20,6 @@
 import com.google.cloud.datastore.QueryResults;
 import com.googlecode.objectify.cmd.Query;
 
-import jakarta.persistence.TypedQuery;
-import jakarta.persistence.criteria.CriteriaBuilder;
-import jakarta.persistence.criteria.CriteriaQuery;
-import jakarta.persistence.criteria.Root;
-
 // import jakarta.persistence.criteria.CriteriaDelete;
 
 import teammates.client.connector.DatastoreClient;
@@ -131,27 +126,6 @@ private void doMigration(teammates.storage.entity.Account entity) {
      * Migrates the entity.
      */
     protected void migrateEntity(teammates.storage.entity.Account oldAccount) {
-        HibernateUtil.beginTransaction();
-
-        CriteriaBuilder cb = HibernateUtil.getCriteriaBuilder();
-        CriteriaQuery<teammates.storage.sqlentity.Account> cr = cb.createQuery(
-                teammates.storage.sqlentity.Account.class);
-        Root<teammates.storage.sqlentity.Account> root = cr.from(teammates.storage.sqlentity.Account.class);
-        cr.select(root).where(cb.equal(root.get("googleId"), oldAccount.getGoogleId()));
-
-        TypedQuery<teammates.storage.sqlentity.Account> query = HibernateUtil.createQuery(cr);
-
-        
-        boolean isEntityInDb = query.getResultList().size() != 0;
-        HibernateUtil.commitTransaction();
-
-        // In db, but somehow not set as migrated.
-        if (isEntityInDb) {
-            oldAccount.setMigrated(true);
-            entitiesOldAccountSavingBuffer.add(oldAccount);    
-            return;
-        };
-
         teammates.storage.sqlentity.Account newAccount = new teammates.storage.sqlentity.Account(
                 oldAccount.getGoogleId(),
                 oldAccount.getName(),
@@ -162,6 +136,7 @@ protected void migrateEntity(teammates.storage.entity.Account oldAccount) {
         oldAccount.setMigrated(true);
         entitiesOldAccountSavingBuffer.add(oldAccount);
         migrateReadNotification(oldAccount, newAccount);
+
     }
 
     private void migrateReadNotification(teammates.storage.entity.Account oldAccount,