diff --git a/backend/app/models.py b/backend/app/models.py
index 140acd5..1f69388 100644
--- a/backend/app/models.py
+++ b/backend/app/models.py
@@ -30,7 +30,7 @@ class Video(Base):
         Index("ix_video_url_format_id", "url", "format_id"),
     )
 
-    logs = relationship("DownloadLog", back_populates="video", lazy="select")
+    logs = relationship("DownloadLog", back_populates="video", lazy="select", cascade="all, delete-orphan")
 
 
 class DownloadLog(Base):