diff --git a/hexagonal-example/src/main/java/com/baeldung/hexagonalPattern/ports/LibraryService.java b/hexagonal-example/src/main/java/com/baeldung/hexagonalPattern/ports/LibraryService.java
deleted file mode 100644
index 947ea402dc..0000000000
--- a/hexagonal-example/src/main/java/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 {
-
-    public int insertBook(Book book);
-
-    public Book searchBook(String name);
-
-    public List<Book> getAllBooks();
-
-}