diff --git a/internal/modules/inventory/adjustments/services/adjustment.service.go b/internal/modules/inventory/adjustments/services/adjustment.service.go
index ceefcb1e..862d6991 100644
--- a/internal/modules/inventory/adjustments/services/adjustment.service.go
+++ b/internal/modules/inventory/adjustments/services/adjustment.service.go
@@ -160,7 +160,6 @@ func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*e
 			return fiber.NewError(fiber.StatusInternalServerError, "Failed to get product warehouse")
 		}
 
-		afterQuantity := productWarehouse.Quantity
 		newLog := &entity.StockLog{
 			LoggableType:       string(utils.StockLogTypeAdjustment),
 			LoggableId:         0,
@@ -183,14 +182,12 @@ func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*e
 		}
 
 		if transactionType == string(utils.StockLogTransactionTypeIncrease) {
-			afterQuantity += req.Quantity
 			newLog.Increase = req.Quantity
 			newLog.Stock += newLog.Increase
 		} else {
 			if productWarehouse.Quantity < req.Quantity {
 				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Stok tidak mencukupi untuk pengurangan. Stok saat ini: %.2f, Jumlah yang akan dikurangi: %.2f", productWarehouse.Quantity, req.Quantity))
 			}
-			afterQuantity -= req.Quantity
 			newLog.Decrease = req.Quantity
 			newLog.Stock -= newLog.Decrease
 		}
@@ -243,12 +240,6 @@ func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*e
 			}
 		}
 
-		productWarehouse.Quantity = afterQuantity
-		if err := s.ProductWarehouseRepo.WithTx(tx).UpdateOne(ctx, productWarehouse.Id, productWarehouse, nil); err != nil {
-			s.Log.Errorf("Failed to update product warehouse quantity: %+v", err)
-			return err
-		}
-
 		createdAdjustmentStockId = adjustmentStock.Id
 		return nil
 	})