diff --git a/hexagonal-example/HexagonalStructure/pom.xml b/hexagonal-example/HexagonalStructure/pom.xml
deleted file mode 100644
index 47bd8e7489..0000000000
--- a/hexagonal-example/HexagonalStructure/pom.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-
-
- 4.0.0
-
- org.springframework.boot
- spring-boot-starter-parent
- 2.1.6.RELEASE
-
-
- com.baeldung
- HexagonalLibrary
- 0.0.1-SNAPSHOT
- HexagonalLibrary
- HexagonalLibrary
-
-
- 1.8
-
-
-
-
- org.springframework.boot
- spring-boot-starter-web
-
-
-
- org.springframework.boot
- spring-boot-starter-test
- test
-
-
-
-
-
-
- org.springframework.boot
- spring-boot-maven-plugin
-
- com.baeldung.HexagonalLibrary
-
-
-
-
-
-
\ No newline at end of file
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/HexagonalLibrary.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/HexagonalLibrary.java
deleted file mode 100644
index b730fa1244..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/HexagonalLibrary.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.baeldung;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-
-@SpringBootApplication
-public class HexagonalLibrary {
-
- public static void main(String[] args) {
- SpringApplication.run(HexagonalLibrary.class, args);
- }
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRepoImpl.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRepoImpl.java
deleted file mode 100644
index 1b678a4e80..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRepoImpl.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package com.baeldung.hexagonalPattern.adapter;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-import org.springframework.stereotype.Repository;
-
-import com.baeldung.hexagonalPattern.core.domain.Book;
-import com.baeldung.hexagonalPattern.ports.LibraryRepo;
-
-@Repository
-public class LibraryRepoImpl implements LibraryRepo {
- // This class is the actual implementation of the out bound port/adapter.
-
- private HashMap books = new HashMap();
-
- @Override
- public void insertBook(Book book) {
- // Mock Database call here.
- books.put("mock", new Book("mock", "mock", "mock"));
- }
-
- @Override
- public Book searchBook(String name) {
- // TODO Auto-generated method stub
- Book b = new Book();
- // Some code for retrieval of book from db
- return b;
- }
-
- @Override
- public List getAllBooks() {
- // Fetch all books from db
- return books.values().stream().collect(Collectors.toList());
- }
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRestController.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRestController.java
deleted file mode 100644
index 176b8471b5..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/adapter/LibraryRestController.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package com.baeldung.hexagonalPattern.adapter;
-
-import java.util.List;
-
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-import com.baeldung.hexagonalPattern.core.domain.Book;
-import com.baeldung.hexagonalPattern.web.LibraryRestUI;
-
-@RestController
-public class LibraryRestController implements LibraryRestUI {
-
- @Override
- @RequestMapping("/library")
- public void insertBook(Book book) {
- // TODO Auto-generated method stub
-
- }
-
- @Override
- @GetMapping("/searchBook")
- public Book searchBook(@PathVariable String name) {
- // TODO Auto-generated method stub
- return null;
- }
-
- @Override
- @GetMapping("/listBooks")
- public List listAllBooks() {
- // TODO Auto-generated method stub
- return null;
- }
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/domain/Book.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/domain/Book.java
deleted file mode 100644
index 38e761ba50..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/domain/Book.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.baeldung.hexagonalPattern.core.domain;
-
-public class Book {
-
- private String name;
- private String author_list;
- private String isbn13;
-
- /* constructors and getter and setters */
- public Book(String string, String string2, String string3) {
- // TODO Auto-generated constructor stub
- }
-
- public Book() {
- // TODO Auto-generated constructor stub
- }
-
- /*
- * public String getName() { return name; }
- *
- * public void setName(String name) { this.name = name; }
- *
- * public String getAuthor_list() { return author_list; }
- *
- * public void setAuthor_list(String author_list) { this.author_list =
- * author_list; }
- *
- * public String getIsbn13() { return isbn13; }
- *
- * public void setIsbn13(String isbn13) { this.isbn13 = isbn13; }
- */
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/impl/LibraryServiceImpl.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/impl/LibraryServiceImpl.java
deleted file mode 100644
index 1bde7c8d0e..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/core/impl/LibraryServiceImpl.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package com.baeldung.hexagonalPattern.core.impl;
-
-import java.util.List;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Service;
-import com.baeldung.hexagonalPattern.core.domain.Book;
-import com.baeldung.hexagonalPattern.ports.LibraryRepo;
-import com.baeldung.hexagonalPattern.ports.LibraryService;
-
-@Service
-public class LibraryServiceImpl implements LibraryService {
-
- // This is the class which actually implements the methods from the ports.
- // The ports are just for exposing the methods to the outside.
-
- @Autowired
- private LibraryRepo bookRepo;
-
- @Override
- public void insertBook(Book book) {
- // TODO some implementation to insert record in the db or similar
- bookRepo.insertBook(book);
- }
-
- @Override
- public Book lendBook(String name) {
- // TODO Auto-generated method stub
- return bookRepo.searchBook(name);
- }
-
- @Override
- public List getAllBooks() {
- // TODO Auto-generated method
- return null;
- }
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryRepo.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryRepo.java
deleted file mode 100644
index 83858403ef..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryRepo.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.baeldung.hexagonalPattern.ports;
-
-import java.util.List;
-import com.baeldung.hexagonalPattern.core.domain.Book;
-
-public interface LibraryRepo {
- // Outbound Port.
-
- public void insertBook(Book book);
-
- public Book searchBook(String name);
-
- public List getAllBooks();
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryService.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryService.java
deleted file mode 100644
index 7391b4795d..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/ports/LibraryService.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.baeldung.hexagonalPattern.ports;
-
-import java.util.List;
-import com.baeldung.hexagonalPattern.core.domain.Book;
-
-public interface LibraryService {
-//This is the in bound port.exposes the application to the world.
-
- public void insertBook(Book book);
-
- public Book lendBook(String name);
-
- List getAllBooks();
-
-}
diff --git a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/web/LibraryRestUI.java b/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/web/LibraryRestUI.java
deleted file mode 100644
index 16d7beac87..0000000000
--- a/hexagonal-example/HexagonalStructure/src/com/baeldung/hexagonalPattern/web/LibraryRestUI.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.baeldung.hexagonalPattern.web;
-
-import java.util.List;
-
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-
-import com.baeldung.hexagonalPattern.core.domain.Book;
-
-public interface LibraryRestUI {
- // This is the in bound Adapter
-
- @PostMapping
- void insertBook(@RequestBody Book book);
-
- @GetMapping("/{name}")
- public Book searchBook(@PathVariable String name);
-
- @GetMapping
- public List listAllBooks();
-
-}