diff --git a/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUnitTest.java b/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUnitTest.java
index 4e456fc2d0..5856b840af 100644
--- a/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUnitTest.java
+++ b/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUnitTest.java
@@ -12,10 +12,10 @@ public class SameObjectIdUnitTest {
 
     @Test
     public void givenSameDateAndCounter_whenComparingObjectIds_thenTheyAreNotEqual() {
-        final Date date = new Date();
-        final ObjectId objectIdDate = new ObjectId(date);
-        final ObjectId objectIdDateCounter1 = new ObjectId(date, 100);
-        final ObjectId objectIdDateCounter2 = new ObjectId(date, 100);
+        Date date = new Date();
+        ObjectId objectIdDate = new ObjectId(date);
+        ObjectId objectIdDateCounter1 = new ObjectId(date, 100);
+        ObjectId objectIdDateCounter2 = new ObjectId(date, 100);
 
         assertThat(objectIdDate).isNotEqualTo(objectIdDateCounter1);
         assertThat(objectIdDate).isNotEqualTo(objectIdDateCounter2);
@@ -25,11 +25,11 @@ public class SameObjectIdUnitTest {
 
     @Test
     public void givenSameArrayOfBytes_whenComparingObjectIdsCreatedViaDifferentMethods_thenTheObjectIdsAreEqual() {
-        final byte[] bytes = "123456789012".getBytes();
-        final ObjectId objectIdBytes = new ObjectId(bytes);
+        byte[] bytes = "123456789012".getBytes();
+        ObjectId objectIdBytes = new ObjectId(bytes);
 
-        final ByteBuffer buffer = ByteBuffer.wrap(bytes);
-        final ObjectId objectIdByteBuffer = new ObjectId(buffer);
+        ByteBuffer buffer = ByteBuffer.wrap(bytes);
+        ObjectId objectIdByteBuffer = new ObjectId(buffer);
 
         assertThat(objectIdBytes).isEqualTo(objectIdByteBuffer);
     }
diff --git a/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUsedToInsertSameObjectIdUnitTest.java b/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUsedToInsertSameObjectIdUnitTest.java
index 7041315459..690514b715 100644
--- a/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUsedToInsertSameObjectIdUnitTest.java
+++ b/persistence-modules/spring-data-mongodb-2/src/test/java/com/baeldung/objectId/SameObjectIdUsedToInsertSameObjectIdUnitTest.java
@@ -33,9 +33,9 @@ public class SameObjectIdUsedToInsertSameObjectIdUnitTest {
     @Test
     public void givenUserInDatabase_whenInsertingAnotherUserWithTheSameObjectId_DKEThrownAndInsertRetried() {
         //given
-        final String userName = "Kevin";
-        final User firstUser = new User(ObjectId.get(), userName);
-        final User secondUser = new User(ObjectId.get(), userName);
+        String userName = "Kevin";
+        User firstUser = new User(ObjectId.get(), userName);
+        User secondUser = new User(ObjectId.get(), userName);
 
         mongoTemplate.insert(firstUser);
 
@@ -47,10 +47,10 @@ public class SameObjectIdUsedToInsertSameObjectIdUnitTest {
         }
 
         //then
-        final Query query = new Query();
+        Query query = new Query();
         query.addCriteria(Criteria.where(User.NAME_FIELD)
           .is(userName));
-        final List<User> users = mongoTemplate.find(query, User.class);
+        List<User> users = mongoTemplate.find(query, User.class);
 
         assertThat(users).usingRecursiveComparison()
           .isEqualTo(Lists.newArrayList(firstUser, secondUser));