diff --git a/src/Modifier/OrderGiftCardAmountModifier.php b/src/Modifier/OrderGiftCardAmountModifier.php
index 1d630e17..1ea1dcd3 100644
--- a/src/Modifier/OrderGiftCardAmountModifier.php
+++ b/src/Modifier/OrderGiftCardAmountModifier.php
@@ -4,7 +4,6 @@
 
 namespace Setono\SyliusGiftCardPlugin\Modifier;
 
-use Doctrine\Persistence\ObjectManager;
 use RuntimeException;
 use Setono\SyliusGiftCardPlugin\Model\AdjustmentInterface;
 use Setono\SyliusGiftCardPlugin\Model\GiftCardInterface;
@@ -38,8 +37,6 @@ public function decrement(OrderInterface $order): void
                 $giftCard->setAmount($giftCard->getAmount() - $amount);
             }
         }
-
-        $this->giftCardManager->flush();
     }
 
     public function increment(OrderInterface $order): void
@@ -53,8 +50,6 @@ public function increment(OrderInterface $order): void
                 $giftCard->enable();
             }
         }
-
-        $this->giftCardManager->flush();
     }
 
     private function getGiftCard(OrderInterface $order, string $code): GiftCardInterface
diff --git a/src/Resources/config/services/modifier.xml b/src/Resources/config/services/modifier.xml
index 5a5d3fe2..681accde 100644
--- a/src/Resources/config/services/modifier.xml
+++ b/src/Resources/config/services/modifier.xml
@@ -7,8 +7,6 @@
         <!-- Needs to be public because it is called from the state machine -->
         <service id="setono_sylius_gift_card.modifier.order_gift_card_amount"
                  class="Setono\SyliusGiftCardPlugin\Modifier\OrderGiftCardAmountModifier"
-                 public="true">
-            <argument type="service" id="setono_sylius_gift_card.manager.gift_card"/>
-        </service>
+                 public="true"/>
     </services>
 </container>