diff --git a/apps/worker/worker_app/tasks/generation.py b/apps/worker/worker_app/tasks/generation.py
index 279b054d5..fc1c75733 100755
--- a/apps/worker/worker_app/tasks/generation.py
+++ b/apps/worker/worker_app/tasks/generation.py
@@ -26,9 +26,6 @@ from worker_app.db import SessionLocal
 from worker_app.tasks.generation_plan_builder import VirtualClip as _VirtualClip
 from worker_app.tasks.generation_plan_builder import VirtualPlan as _VirtualPlan
 from worker_app.tasks.generation_plan_builder import apply_template_clip_effects as _apply_template_clip_effects
-from worker_app.tasks.generation_plan_builder import (
-    build_clips_by_mode,
-)
 from worker_app.tasks.generation_plan_builder import build_error_info as _build_error_info
 from worker_app.tasks.generation_plan_builder import (
     extract_intro_outro_from_clip_configs as _extract_intro_outro_from_clip_configs,
@@ -121,7 +118,7 @@ def _flush_logs(task_id: str, gen_task) -> None:
 # ── 共享工具模块导入 ──────────────────────────────────────────────────────────
 
 from video_processing.dedup_helpers import create_video_record_and_dedup
-from video_processing.ffmpeg_utils import FFMPEG_BIN, probe_duration, run_ffmpeg
+from video_processing.ffmpeg_utils import FFMPEG_BIN, run_ffmpeg
 from video_processing.oss_helpers import (
     download_asset,
     get_signed_download_url,