diff --git a/src/main/java/com/deare/backend/api/ocr/dto/response/OcrLettersResponseDTO.java b/src/main/java/com/deare/backend/api/ocr/dto/response/OcrLettersResponseDTO.java
index 0b8f3ab2..5e486b0e 100644
--- a/src/main/java/com/deare/backend/api/ocr/dto/response/OcrLettersResponseDTO.java
+++ b/src/main/java/com/deare/backend/api/ocr/dto/response/OcrLettersResponseDTO.java
@@ -1,6 +1,8 @@
 package com.deare.backend.api.ocr.dto.response;
 
+import com.deare.backend.api.ocr.dto.result.OcrResultDTO;
 import lombok.*;
+
 import java.util.List;
 
 @Getter
@@ -24,33 +26,4 @@ public static class SummaryDTO {
         private boolean partialFailure;
         private List<Long> failedImageIds;
     }
-
-    @Getter
-    @Builder
-    @NoArgsConstructor
-    @AllArgsConstructor
-    public static class OcrResultDTO {
-        private Long imageId;
-        private boolean success;
-        private String text;        // success=true 일 때만
-        private String errorCode;   // success=false 일 때만
-        private String message;     // success=false 일 때만
-
-        public static OcrResultDTO ok(Long imageId, String text) {
-            return OcrResultDTO.builder()
-                    .imageId(imageId)
-                    .success(true)
-                    .text(text)
-                    .build();
-        }
-
-        public static OcrResultDTO fail(Long imageId, String errorCode, String message) {
-            return OcrResultDTO.builder()
-                    .imageId(imageId)
-                    .success(false)
-                    .errorCode(errorCode)
-                    .message(message)
-                    .build();
-        }
-    }
 }
diff --git a/src/main/java/com/deare/backend/api/ocr/dto/result/OcrResultDTO.java b/src/main/java/com/deare/backend/api/ocr/dto/result/OcrResultDTO.java
new file mode 100644
index 00000000..4b57224e
--- /dev/null
+++ b/src/main/java/com/deare/backend/api/ocr/dto/result/OcrResultDTO.java
@@ -0,0 +1,33 @@
+package com.deare.backend.api.ocr.dto.result;
+
+import lombok.*;
+
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class OcrResultDTO {
+
+    private Long imageId;
+    private boolean success;
+    private String text;        // success=true 일 때만
+    private String errorCode;   // success=false 일 때만
+    private String message;     // success=false 일 때만
+
+    public static OcrResultDTO ok(Long imageId, String text) {
+        return OcrResultDTO.builder()
+                .imageId(imageId)
+                .success(true)
+                .text(text)
+                .build();
+    }
+
+    public static OcrResultDTO fail(Long imageId, String errorCode, String message) {
+        return OcrResultDTO.builder()
+                .imageId(imageId)
+                .success(false)
+                .errorCode(errorCode)
+                .message(message)
+                .build();
+    }
+}
diff --git a/src/main/java/com/deare/backend/api/ocr/service/LetterOcrService.java b/src/main/java/com/deare/backend/api/ocr/service/LetterOcrService.java
index 6d67b220..b8fff5cb 100644
--- a/src/main/java/com/deare/backend/api/ocr/service/LetterOcrService.java
+++ b/src/main/java/com/deare/backend/api/ocr/service/LetterOcrService.java
@@ -2,11 +2,10 @@
 
 import com.deare.backend.api.ocr.dto.request.OcrLettersRequestDTO;
 import com.deare.backend.api.ocr.dto.response.OcrLettersResponseDTO;
-import com.deare.backend.api.ocr.dto.response.OcrLettersResponseDTO.OcrResultDTO;
+import com.deare.backend.api.ocr.dto.result.OcrResultDTO;
 import com.deare.backend.domain.letter.exception.OcrErrorCode;
 import com.deare.backend.domain.image.entity.Image;
 import com.deare.backend.domain.image.repository.ImageRepository;
-import com.deare.backend.global.auth.util.SecurityUtil;
 import com.deare.backend.global.common.exception.GeneralException;
 import com.deare.backend.global.external.feign.exception.ExternalApiException;
 import com.deare.backend.global.external.gemini.adapter.ocr.OcrAdapter;
@@ -32,8 +31,6 @@ public OcrLettersResponseDTO ocrLetters(OcrLettersRequestDTO request) {
         List<Long> imageIds = request.getImageIds();
         validateImageIds(imageIds);
 
-        Long userId = SecurityUtil.getCurrentUserId();
-
         // DB에서 이미지들 조회
         List<Image> images = imageRepository.findAllById(imageIds);
         Map<Long, Image> imageMap = images.stream()