diff --git a/modules/purchase_trade/invoice.py b/modules/purchase_trade/invoice.py
index 26995e8..baadb78 100644
--- a/modules/purchase_trade/invoice.py
+++ b/modules/purchase_trade/invoice.py
@@ -1693,10 +1693,6 @@ class InvoicePaddingContext(ModelView):
 class InvoiceLine(metaclass=PoolMeta):
     __name__ = 'account.invoice.line'
 
-    lot_weight_snapshots = fields.One2Many(
-        'account.invoice.line.lot.weight', 'invoice_line',
-        "Lot Weight Snapshots")
-
     def _get_report_trade(self):
         origin = getattr(self, 'origin', None)
         if not origin: