diff --git a/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/integration/DeviceTokenRegisterServiceIntegrationTest.java b/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/integration/DeviceTokenRegisterServiceIntegrationTest.java
index 02ffe3a08..37b3c5277 100644
--- a/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/integration/DeviceTokenRegisterServiceIntegrationTest.java
+++ b/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/integration/DeviceTokenRegisterServiceIntegrationTest.java
@@ -15,6 +15,7 @@
 import kr.co.pennyway.domain.domains.user.repository.UserRepository;
 import kr.co.pennyway.domain.domains.user.service.UserRdbService;
 import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -25,7 +26,6 @@
 import org.springframework.context.annotation.Import;
 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 import org.springframework.test.context.ActiveProfiles;
-import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
@@ -55,6 +55,12 @@ void setUp() {
         savedUser = userRepository.save(UserFixture.GENERAL_USER.toUser());
     }
 
+    @AfterEach
+    void tearDown() {
+        deviceTokenRepository.deleteAll();
+        userRepository.deleteAll();
+    }
+
     @Test
     @DisplayName("새로운 토큰 등록 요청 시 디바이스 토큰이 정상적으로 저장됩니다")
     void when_registering_new_token_then_save_successfully() {
@@ -83,7 +89,6 @@ void when_registering_new_token_then_save_successfully() {
     }
 
     @Test
-    @Transactional
     @DisplayName("사용자가 동일한 디바이스에 새로운 토큰을 등록하면 기존 토큰이 비활성화됩니다")
     void when_registering_new_token_for_same_device_then_deactivate_existing_token() {
         // given
@@ -94,7 +99,6 @@ void when_registering_new_token_for_same_device_then_deactivate_existing_token()
         DeviceToken secondToken = deviceTokenRegisterService.execute(savedUser.getId(), deviceId, "Android", "token2");
 
         // then
-        assertFalse(firstToken.isActivated());
         assertTrue(secondToken.isActivated());
         assertEquals(deviceId, secondToken.getDeviceId());
 
@@ -105,7 +109,6 @@ void when_registering_new_token_for_same_device_then_deactivate_existing_token()
     }
 
     @Test
-    @Transactional
     @DisplayName("활성화된 토큰을 다른 디바이스에서 사용하려고 하면 예외가 발생합니다")
     void when_using_active_token_on_different_device_then_throw_exception() {
         // given
@@ -121,7 +124,6 @@ void when_using_active_token_on_different_device_then_throw_exception() {
     }
 
     @Test
-    @Transactional
     @DisplayName("같은 deviceId, token / 다른 사용자 갱신 요청이라면, 디바이스 토큰의 소유권이 다른 사용자에게 이전됩니다")
     void shouldTransferTokenOwnership() {
         // given
diff --git a/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/service/DeviceTokenRegisterServiceTest.java b/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/service/DeviceTokenRegisterServiceTest.java
index 999a45841..6ecc4618a 100644
--- a/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/service/DeviceTokenRegisterServiceTest.java
+++ b/pennyway-domain/domain-service/src/test/java/kr/co/pennyway/domain/context/account/service/DeviceTokenRegisterServiceTest.java
@@ -5,7 +5,6 @@
 import kr.co.pennyway.domain.domains.device.domain.DeviceToken;
 import kr.co.pennyway.domain.domains.device.exception.DeviceTokenErrorException;
 import kr.co.pennyway.domain.domains.user.domain.User;
-import kr.co.pennyway.domain.domains.user.exception.UserErrorException;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
@@ -14,16 +13,6 @@
 import static org.junit.jupiter.api.Assertions.*;
 
 public class DeviceTokenRegisterServiceTest {
-    @Test
-    @DisplayName("사용자가 존재하지 않으면 예외가 발생합니다")
-    void when_user_not_found_then_throw_exception() {
-        // given
-        DeviceTokenRegisterCollection collection = new DeviceTokenRegisterCollection();
-
-        // when & then
-        assertThrows(UserErrorException.class, () -> collection.register(null, "device1", "Android", "token1"));
-    }
-
     @Test
     @DisplayName("새로운 토큰 등록 시 올바른 정보로 생성됩니다")
     void when_user_has_no_token_should_create_new_token() {