diff --git a/ft-app/app/routers/admin.py b/ft-app/app/routers/admin.py
index ab15095..d1ef823 100644
--- a/ft-app/app/routers/admin.py
+++ b/ft-app/app/routers/admin.py
@@ -112,6 +112,7 @@ def toggle_contract(contract_id: int, db: Session = Depends(get_db)):
 def delete_contract(contract_id: int, db: Session = Depends(get_db)):
     c = db.query(Contract).filter(Contract.id == contract_id).first()
     if c:
+        db.query(DailyBar).filter(DailyBar.contract == c.code).delete()
         db.delete(c)
         db.commit()
     return RedirectResponse("/admin/?tab=contract", status_code=303)
@@ -121,6 +122,8 @@ def delete_contract(contract_id: int, db: Session = Depends(get_db)):
 def delete_product(product_id: int, db: Session = Depends(get_db)):
     p = db.query(Product).filter(Product.id == product_id).first()
     if p:
+        for c in p.contracts:
+            db.query(DailyBar).filter(DailyBar.contract == c.code).delete()
         db.delete(p)
         db.commit()
     return RedirectResponse("/admin/?tab=product", status_code=303)