diff --git a/src/main/java/com/potatocake/everymoment/controller/FileController.java b/src/main/java/com/potatocake/everymoment/controller/FileController.java
index cb62468..d841829 100644
--- a/src/main/java/com/potatocake/everymoment/controller/FileController.java
+++ b/src/main/java/com/potatocake/everymoment/controller/FileController.java
@@ -1,12 +1,12 @@
 package com.potatocake.everymoment.controller;
 
 import com.potatocake.everymoment.dto.SuccessResponse;
-import com.potatocake.everymoment.dto.request.FileRequest;
 import com.potatocake.everymoment.dto.response.FileResponse;
 import com.potatocake.everymoment.security.MemberDetails;
 import com.potatocake.everymoment.service.FileService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.ArraySchema;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
@@ -34,10 +34,12 @@ public class FileController {
     private final FileService fileService;
 
     @Operation(summary = "파일 목록 조회", description = "특정 일기의 파일 목록을 조회합니다.")
-    @ApiResponse(responseCode = "200", description = "파일 목록 조회 성공", content = @Content(schema = @Schema(implementation = FileResponse.class)))
+    @ApiResponse(responseCode = "200", description = "파일 목록 조회 성공", content = @Content(array = @ArraySchema(schema = @Schema(implementation = FileResponse.class))))
     @GetMapping
-    public ResponseEntity<SuccessResponse<FileResponse>> getFiles(@Parameter(description = "조회할 일기 ID", required = true)
-                                                                  @PathVariable Long diaryId) {
+    public ResponseEntity<SuccessResponse<List<FileResponse>>> getFiles(
+            @Parameter(description = "조회할 일기 ID", required = true)
+            @PathVariable Long diaryId
+    ) {
         List<FileResponse> files = fileService.getFiles(diaryId);
 
         return ResponseEntity.ok()
@@ -53,11 +55,9 @@ public ResponseEntity<SuccessResponse> uploadFiles(
             @Parameter(description = "인증된 사용자 정보", hidden = true)
             @AuthenticationPrincipal MemberDetails memberDetails,
             @Parameter(description = "업로드할 파일 목록", required = true)
-            @RequestPart List<MultipartFile> files,
-            @Parameter(description = "일기에 보일 파일 이름과 순서", required = true)
-            @RequestPart List<FileRequest> info
+            @RequestPart List<MultipartFile> files
     ) {
-        fileService.uploadFiles(diaryId, memberDetails.getId(), files, info);
+        fileService.uploadFiles(diaryId, memberDetails.getId(), files);
 
         return ResponseEntity.ok()
                 .body(SuccessResponse.ok());
@@ -72,11 +72,9 @@ public ResponseEntity<SuccessResponse> updateFiles(
             @Parameter(description = "인증된 사용자 정보", hidden = true)
             @AuthenticationPrincipal MemberDetails memberDetails,
             @Parameter(description = "수정할 파일 목록", required = true)
-            @RequestPart List<MultipartFile> files,
-            @Parameter(description = "일기에 보일 파일 이름과 순서", required = true)
-            @RequestPart List<FileRequest> info
+            @RequestPart List<MultipartFile> files
     ) {
-        fileService.updateFiles(diaryId, memberDetails.getId(), files, info);
+        fileService.updateFiles(diaryId, memberDetails.getId(), files);
 
         return ResponseEntity.ok()
                 .body(SuccessResponse.ok());
diff --git a/src/main/java/com/potatocake/everymoment/dto/request/FileRequest.java b/src/main/java/com/potatocake/everymoment/dto/request/FileRequest.java
deleted file mode 100644
index 9d22d27..0000000
--- a/src/main/java/com/potatocake/everymoment/dto/request/FileRequest.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.potatocake.everymoment.dto.request;
-
-import lombok.Getter;
-
-@Getter
-public class FileRequest {
-    private String filename;
-    private int order;
-}
diff --git a/src/main/java/com/potatocake/everymoment/service/FileService.java b/src/main/java/com/potatocake/everymoment/service/FileService.java
index 771129e..a2b3bba 100644
--- a/src/main/java/com/potatocake/everymoment/service/FileService.java
+++ b/src/main/java/com/potatocake/everymoment/service/FileService.java
@@ -1,6 +1,5 @@
 package com.potatocake.everymoment.service;
 
-import com.potatocake.everymoment.dto.request.FileRequest;
 import com.potatocake.everymoment.dto.response.FileResponse;
 import com.potatocake.everymoment.entity.Diary;
 import com.potatocake.everymoment.entity.File;
@@ -11,8 +10,6 @@
 import com.potatocake.everymoment.util.S3FileUploader;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -34,29 +31,23 @@ public List<FileResponse> getFiles(Long diaryId) {
                 .toList();
     }
 
-    public void uploadFiles(Long diaryId, Long memberId, List<MultipartFile> files, List<FileRequest> infos) {
+    public void uploadFiles(Long diaryId, Long memberId, List<MultipartFile> files) {
         Diary diary = diaryRepository.findById(diaryId)
                 .orElseThrow(() -> new GlobalException(ErrorCode.DIARY_NOT_FOUND));
 
         diary.checkOwner(memberId);
 
-        Map<String, MultipartFile> fileMap = files.stream()
-                .collect(Collectors.toMap(MultipartFile::getOriginalFilename, f -> f, (f1, f2) -> f1));
-
         List<File> fileEntities = new ArrayList<>();
 
-        for (FileRequest info : infos) {
-            MultipartFile file = fileMap.get(info.getFilename());
-            if (file == null) {
-                throw new GlobalException(ErrorCode.FILE_NOT_FOUND);
-            }
+        for (int i = 0; i < files.size(); i++) {
+            MultipartFile file = files.get(i);
 
             String url = uploader.uploadFile(file);
 
             File fileEntity = File.builder()
                     .diary(diary)
                     .imageUrl(url)
-                    .order(info.getOrder())
+                    .order(i + 1)
                     .build();
 
             fileEntities.add(fileEntity);
@@ -65,7 +56,7 @@ public void uploadFiles(Long diaryId, Long memberId, List<MultipartFile> files,
         fileRepository.saveAll(fileEntities);
     }
 
-    public void updateFiles(Long diaryId, Long memberId, List<MultipartFile> files, List<FileRequest> infos) {
+    public void updateFiles(Long diaryId, Long memberId, List<MultipartFile> files) {
         Diary diary = diaryRepository.findById(diaryId)
                 .orElseThrow(() -> new GlobalException(ErrorCode.DIARY_NOT_FOUND));
 
@@ -73,7 +64,7 @@ public void updateFiles(Long diaryId, Long memberId, List<MultipartFile> files,
 
         fileRepository.deleteByDiary(diary);
 
-        uploadFiles(diaryId, memberId, files, infos);
+        uploadFiles(diaryId, memberId, files);
     }
 
 }