diff --git a/src/main/java/mate/academy/dao/BookDaoImpl.java b/src/main/java/mate/academy/dao/BookDaoImpl.java
index c69062b8..54586b6e 100644
--- a/src/main/java/mate/academy/dao/BookDaoImpl.java
+++ b/src/main/java/mate/academy/dao/BookDaoImpl.java
@@ -72,7 +72,7 @@ public Optional<Book> findById(Long id) {
         Book book = null;
         String sql = "SELECT * FROM books WHERE id = ?";
         try (Connection connection = ConnectionUtil.getConnections();
-             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
+                PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
             preparedStatement.setLong(1, id);
             ResultSet resultSet = preparedStatement.executeQuery();
             if (resultSet.next()) {
@@ -93,7 +93,7 @@ public List<Book> findAll() {
         String sql = "SELECT * FROM books";
 
         try (Connection connection = ConnectionUtil.getConnections();
-             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
+                PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
             ResultSet resultSet = preparedStatement.executeQuery();
 
             while (resultSet.next()) {
@@ -150,7 +150,7 @@ public boolean deleteById(Long id) {
         String sql = "DELETE FROM books WHERE id=?";
 
         try (Connection connection = ConnectionUtil.getConnections();
-             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
+                PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
             preparedStatement.setLong(1, id);
             int affectedRows = preparedStatement.executeUpdate();
             if (affectedRows == 0) {
diff --git a/src/main/java/mate/academy/service/serviceimpl/BookServiceImpl.java b/src/main/java/mate/academy/service/serviceimpl/BookServiceImpl.java
index e95acb62..7e5934e9 100644
--- a/src/main/java/mate/academy/service/serviceimpl/BookServiceImpl.java
+++ b/src/main/java/mate/academy/service/serviceimpl/BookServiceImpl.java
@@ -3,10 +3,8 @@
 import java.util.List;
 import java.util.Optional;
 import mate.academy.dao.BookDao;
-import mate.academy.dao.BookDaoImpl;
 import mate.academy.exeption.DataProcessingException;
 import mate.academy.lib.Dao;
-import mate.academy.lib.Injector;
 import mate.academy.model.Book;
 import mate.academy.service.BookService;