diff --git a/spring-core/src/main/java/com/baeldung/configuration/ConstructorConfig.java b/spring-core/src/main/java/com/baeldung/configuration/ConstructorConfig.java
deleted file mode 100644
index e1ebdcedca..0000000000
--- a/spring-core/src/main/java/com/baeldung/configuration/ConstructorConfig.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.baeldung.configuration;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import com.baeldung.model.College;
-import com.baeldung.model.Student;
-
-@Configuration
-public class ConstructorConfig {
-
-    @Bean
-    public Student student() {
-        return new Student(1, "John", college());
-    }
-
-    @Bean
-    public College college() {
-        return new College(1, "New York");
-    }
-}
diff --git a/spring-core/src/main/java/com/baeldung/configuration/SetterConfig.java b/spring-core/src/main/java/com/baeldung/configuration/SetterConfig.java
deleted file mode 100644
index caaa70ee46..0000000000
--- a/spring-core/src/main/java/com/baeldung/configuration/SetterConfig.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.baeldung.configuration;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import com.baeldung.model.College;
-import com.baeldung.model.Student;
-
-@Configuration
-public class SetterConfig {
-
-    @Bean
-    public Student student() {
-        Student student = new Student();
-        student.setId(2);
-        student.setName("Tom");
-        student.setCollege(college());
-        return student;
-    }
-
-    @Bean
-    public College college() {
-        College college = new College();
-        college.setId(2);
-        college.setName("Pittsburgh");
-        return college;
-    }
-}
diff --git a/spring-core/src/main/java/com/baeldung/model/College.java b/spring-core/src/main/java/com/baeldung/model/College.java
deleted file mode 100644
index 0e55561fe7..0000000000
--- a/spring-core/src/main/java/com/baeldung/model/College.java
+++ /dev/null
@@ -1,32 +0,0 @@
-package com.baeldung.model;
-
-public class College {
-
-    private int id;
-    private String name;
-
-    public College() {
-    }
-
-    public College(int id, String name) {
-        this.id = id;
-        this.name = name;
-    }
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-}
diff --git a/spring-core/src/main/java/com/baeldung/model/Student.java b/spring-core/src/main/java/com/baeldung/model/Student.java
deleted file mode 100644
index 46f01cd32d..0000000000
--- a/spring-core/src/main/java/com/baeldung/model/Student.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package com.baeldung.model;
-
-public class Student {
-
-    private int id;
-    private String name;
-    private College college;
-
-    public Student() {
-    }
-
-    public Student(int id, String name, College college) {
-        this.id = id;
-        this.name = name;
-        this.college = college;
-    }
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public College getCollege() {
-        return college;
-    }
-
-    public void setCollege(College college) {
-        this.college = college;
-    }
-
-    public void introduceMyself() {
-        System.out.println("My ID is " + id + " and my name is " + name + ". I am a student at " + college.getName() + " College.");
-    }
-
-}
diff --git a/spring-core/src/test/java/com/baeldung/configuration/ConstructorConfigTest.java b/spring-core/src/test/java/com/baeldung/configuration/ConstructorConfigTest.java
deleted file mode 100644
index 5a80b8266b..0000000000
--- a/spring-core/src/test/java/com/baeldung/configuration/ConstructorConfigTest.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.baeldung.configuration;
-
-import static org.junit.Assert.assertEquals;
-
-import org.junit.Test;
-import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.AnnotationConfigApplicationContext;
-
-import com.baeldung.model.Student;
-
-public class ConstructorConfigTest {
-
-    @Test
-    public void whenContextLoaded_thenDependencyInjected() {
-        ApplicationContext context = new AnnotationConfigApplicationContext(ConstructorConfig.class);
-        Student student = context.getBean(Student.class);
-        assertEquals(1, student.getId());
-        assertEquals("John", student.getName());
-        assertEquals(1, student.getCollege().getId());
-        assertEquals("New York", student.getCollege().getName());
-    }
-}
diff --git a/spring-core/src/test/java/com/baeldung/configuration/SetterConfigTest.java b/spring-core/src/test/java/com/baeldung/configuration/SetterConfigTest.java
deleted file mode 100644
index 3d11c42e50..0000000000
--- a/spring-core/src/test/java/com/baeldung/configuration/SetterConfigTest.java
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.baeldung.configuration;
-
-import static org.junit.Assert.assertEquals;
-
-import org.junit.Test;
-import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.AnnotationConfigApplicationContext;
-
-import com.baeldung.model.Student;
-
-public class SetterConfigTest {
-    
-    @Test
-    public void whenContextLoaded_thenDependencyInjected() {
-        ApplicationContext context = new AnnotationConfigApplicationContext(SetterConfig.class);
-        Student student = context.getBean(Student.class);
-        assertEquals(2, student.getId());
-        assertEquals("Tom", student.getName());
-        assertEquals(2, student.getCollege().getId());
-        assertEquals("Pittsburgh", student.getCollege().getName());
-    }
-}