diff --git a/s3worker/config.py b/s3worker/config.py
index 2d080e1..c474ccb 100644
--- a/s3worker/config.py
+++ b/s3worker/config.py
@@ -17,4 +17,3 @@ class Settings(BaseSettings):
 @lru_cache()
 def get_settings():
     return Settings()
-
diff --git a/s3worker/tasks.py b/s3worker/tasks.py
index e599267..1bff226 100644
--- a/s3worker/tasks.py
+++ b/s3worker/tasks.py
@@ -63,7 +63,6 @@ def remove_page_thumbnail_task(page_ids: list[str]):
 )
 def generate_preview_task(doc_id: str):
     logger.debug('Task started')
-    Session = db.get_db()
 
     try:
         with Session() as db_session: