diff --git a/persistence-modules/spring-data-jpa-4/default-naming-strategy-ddl.sql b/persistence-modules/spring-data-jpa-4/default-naming-strategy-ddl.sql
deleted file mode 100644
index 34d5bd1867..0000000000
--- a/persistence-modules/spring-data-jpa-4/default-naming-strategy-ddl.sql
+++ /dev/null
@@ -1 +0,0 @@
-create table person (id int8 not null, firstname varchar(255), last_name varchar(255), primary key (id))
diff --git a/persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/Person.java b/persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/Person.java
index c3e7f50403..cfb6e67c2c 100644
--- a/persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/Person.java
+++ b/persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/Person.java
@@ -9,7 +9,6 @@ public class Person {
     @Id
     private Long id;
 
-    @Column(name = "FIRSTNAME")
     private String firstName;
 
     private String lastName;
diff --git a/persistence-modules/spring-data-jpa-4/upper-case-naming-strategy-ddl.sql b/persistence-modules/spring-data-jpa-4/upper-case-naming-strategy-ddl.sql
deleted file mode 100644
index b26697ac66..0000000000
--- a/persistence-modules/spring-data-jpa-4/upper-case-naming-strategy-ddl.sql
+++ /dev/null
@@ -1 +0,0 @@
-create table "PERSON" ("ID" int8 not null, "FIRSTNAME" varchar(255), "LAST_NAME" varchar(255), primary key ("ID"))