diff --git a/src/features/studio/components/BlogEditorStep.tsx b/src/features/studio/components/BlogEditorStep.tsx
index 0ae86e6..86f0c28 100644
--- a/src/features/studio/components/BlogEditorStep.tsx
+++ b/src/features/studio/components/BlogEditorStep.tsx
@@ -3,7 +3,11 @@ import { motion } from 'motion/react';
 import { FileTextFilled } from '@/shared/icons/FilledIcons';
 import type { StudioState } from '@/features/studio/types/studio';
 import { CHANNEL_OPTIONS } from '@/features/studio/types/studio';
-import { generateImage, type GenerateResult } from '@/features/studio/services/geminiImageGen';
+// 이미지 생성은 백엔드로 이관됨 — 임시 stub
+interface GenerateResult { imageDataUrl: string }
+async function generateImage(_s: unknown): Promise<GenerateResult> {
+  throw new Error('이미지 생성은 백엔드 SDK 연결 후 사용 가능합니다.');
+}
 import { Button } from '@/shared/ui/button';
 import { Textarea } from '@/shared/ui/textarea';
 
diff --git a/src/features/studio/components/GeneratePreviewStep.tsx b/src/features/studio/components/GeneratePreviewStep.tsx
index e8721f8..e242f81 100644
--- a/src/features/studio/components/GeneratePreviewStep.tsx
+++ b/src/features/studio/components/GeneratePreviewStep.tsx
@@ -2,8 +2,15 @@ import { useState, useCallback, useRef } from 'react';
 import { motion } from 'motion/react';
 import { VideoFilled, FileTextFilled } from '@/shared/icons/FilledIcons';
 import { CHANNEL_OPTIONS, MUSIC_TRACKS, type StudioState, type GenerateOutputType } from '@/features/studio/types/studio';
-import { generateImage, type GenerateResult } from '@/features/studio/services/geminiImageGen';
-import { generateVideo, type VideoResult } from '@/features/studio/services/creatomateVideoGen';
+// 생성은 백엔드로 이관됨 — 임시 stub
+interface GenerateResult { imageDataUrl: string }
+interface VideoResult { videoUrl: string; thumbnailUrl?: string }
+async function generateImage(_s: unknown): Promise<GenerateResult> {
+  throw new Error('이미지 생성은 백엔드 SDK 연결 후 사용 가능합니다.');
+}
+async function generateVideo(_s: unknown): Promise<VideoResult> {
+  throw new Error('영상 생성은 백엔드 SDK 연결 후 사용 가능합니다.');
+}
 import { Button } from '@/shared/ui/button';
 
 interface Props {
diff --git a/src/features/studio/services/creatomateVideoGen.ts b/src/features/studio/services/creatomateVideoGen.ts
deleted file mode 100644
index cabbbed..0000000
--- a/src/features/studio/services/creatomateVideoGen.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-/**
- * Stub — Creatomate 영상 생성은 백엔드(http://localhost:8001) 로 위임.
- * Orval-generated POST endpoint 로 교체 후 이 파일 삭제.
- */
-export async function generateVideoWithCreatomate(): Promise<never> {
-  throw new Error(
-    '[creatomateVideoGen stub] migrated to backend. Call generated SDK endpoint instead.',
-  )
-}
-export default generateVideoWithCreatomate
diff --git a/src/features/studio/services/geminiImageGen.ts b/src/features/studio/services/geminiImageGen.ts
deleted file mode 100644
index 8570b56..0000000
--- a/src/features/studio/services/geminiImageGen.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-/**
- * Stub — Gemini 이미지 생성은 백엔드(http://localhost:8001) 로 위임.
- * Orval-generated POST endpoint 로 교체 후 이 파일 삭제.
- */
-export async function generateImageWithGemini(): Promise<never> {
-  throw new Error(
-    '[geminiImageGen stub] migrated to backend. Call generated SDK endpoint instead.',
-  )
-}
-export default generateImageWithGemini