diff --git a/book-rent/pom.xml b/book-rent/pom.xml
index 7f1eeac..139597f 100644
--- a/book-rent/pom.xml
+++ b/book-rent/pom.xml
@@ -1,139 +1,2 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>4.1.1</version>
-		<relativePath/> <!-- lookup parent from repository -->
-	</parent>
-	<groupId>com.example</groupId>
-	<artifactId>book-rent</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<packaging>war</packaging>
-	<name>book-rent</name>
-	<description/>
-	<url/>
-	<licenses>
-		<license/>
-	</licenses>
-	<developers>
-		<developer/>
-	</developers>
-	<scm>
-		<connection/>
-		<developerConnection/>
-		<tag/>
-		<url/>
-	</scm>
-	<properties>
-		<java.version>21</java.version>
-	</properties>
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-data-jpa</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-thymeleaf</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-validation</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-webmvc</artifactId>
-		</dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<scope>runtime</scope>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>com.mysql</groupId>
-			<artifactId>mysql-connector-j</artifactId>
-			<scope>runtime</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-tomcat</artifactId>
-			<scope>provided</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-data-jpa-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-thymeleaf-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-validation-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-webmvc-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-			</plugin>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<executions>
-					<execution>
-						<id>default-compile</id>
-						<phase>compile</phase>
-						<goals>
-							<goal>compile</goal>
-						</goals>
-						<configuration>
-							<annotationProcessorPaths>
-								<path>
-									<groupId>org.projectlombok</groupId>
-									<artifactId>lombok</artifactId>
-								</path>
-							</annotationProcessorPaths>
-						</configuration>
-					</execution>
-					<execution>
-						<id>default-testCompile</id>
-						<phase>test-compile</phase>
-						<goals>
-							<goal>testCompile</goal>
-						</goals>
-						<configuration>
-							<annotationProcessorPaths>
-								<path>
-									<groupId>org.projectlombok</groupId>
-									<artifactId>lombok</artifactId>
-								</path>
-							</annotationProcessorPaths>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
-
-</project>
diff --git a/book-rent/src/main/resources/application.properties b/book-rent/src/main/resources/application.properties
index de196c7..e69de29 100644
--- a/book-rent/src/main/resources/application.properties
+++ b/book-rent/src/main/resources/application.properties
@@ -1,13 +0,0 @@
-spring.application.name=book-rent
-# --- MySQL (CREATE DATABASE.sql で作成した book_manage) ---
-spring.datasource.url=jdbc:mysql://localhost:3306/book_manage?serverTimezone=Asia/Tokyo&characterEncoding=UTF-8
-spring.datasource.username=bookuser
-spring.datasource.password=Book2026
- 
-# テーブルはSQLで作成済み。JPAでは変更しない
-spring.jpa.hibernate.ddl-auto=none
-spring.jpa.open-in-view=false
-spring.jpa.properties.hibernate.jdbc.time_zone=Asia/Tokyo
- 
-spring.thymeleaf.cache=false
-server.servlet.session.timeout=30m
\ No newline at end of file