diff --git a/src/Carrier/Service/CarrierBuilder.php b/src/Carrier/Service/CarrierBuilder.php
index 79cfe5ea..52d9b1fa 100644
--- a/src/Carrier/Service/CarrierBuilder.php
+++ b/src/Carrier/Service/CarrierBuilder.php
@@ -179,7 +179,6 @@ private function createCarrier(): void
 
         $psCarrier->name                 = $psCarrier->name ?? $this->myParcelCarrier->human;
         $psCarrier->active               = $this->psCarrierService->carrierIsActive($this->myParcelCarrier);
-        $psCarrier->id_reference         = $this->createCarrierIdReference();
         $psCarrier->deleted              = false;
         $psCarrier->external_module_name = $module->name;
         $psCarrier->is_module            = true;
@@ -200,16 +199,6 @@ private function createCarrier(): void
         $this->psCarrier = $psCarrier;
     }
 
-    /**
-     * @return int
-     */
-    private function createCarrierIdReference(): int
-    {
-        $carrierId = str_pad((string) $this->myParcelCarrier->id, 3, '0');
-
-        return (int) ($carrierId . $this->myParcelCarrier->subscriptionId);
-    }
-
     /**
      * @return null|\Carrier
      */
@@ -223,6 +212,6 @@ private function getExistingPsCarrier(): ?PsCarrier
             return $this->psCarrierService->get($mapping->getCarrierId());
         }
 
-        return $this->psCarrierService->getByReference($this->createCarrierIdReference());
+        return null;
     }
 }
diff --git a/tests/Unit/Service/PsCarrierServiceTest.php b/tests/Unit/Service/PsCarrierServiceTest.php
index 862360ea..b02c4153 100644
--- a/tests/Unit/Service/PsCarrierServiceTest.php
+++ b/tests/Unit/Service/PsCarrierServiceTest.php
@@ -10,7 +10,6 @@
 use MyParcelNL\Pdk\Base\Support\Collection;
 use MyParcelNL\Pdk\Carrier\Collection\CarrierCollection;
 use MyParcelNL\Pdk\Carrier\Model\Carrier;
-use MyParcelNL\Pdk\Carrier\Model\CarrierFactory;
 use MyParcelNL\Pdk\Facade\Actions;
 use MyParcelNL\Pdk\Facade\Pdk;
 use MyParcelNL\Pdk\Tests\Api\Response\ExampleAclResponse;
@@ -189,47 +188,6 @@ function doSnapshotTest(Collection $carrierMappings, Collection $psCarriers): vo
         ]);
 });
 
-it('uses existing carrier if reference id matches', function (CarrierFactory $factory) {
-    setupAccountAndCarriers(factory(CarrierCollection::class)->push($factory));
-
-    $carrier = $factory->make();
-
-    /** @see \MyParcelNL\PrestaShop\Carrier\Service\CarrierBuilder::createCarrierIdReference() */
-    $referenceId = (int) (str_pad((string) $carrier->id, 3, '0') . $carrier->subscriptionId);
-
-    psFactory(PsCarrier::class)
-        ->withIdReference($referenceId)
-        ->store();
-
-    /** @var PsCarrierServiceInterface $service */
-    $service = Pdk::get(PsCarrierServiceInterface::class);
-    $service->updateCarriers();
-
-    $psCarriers = new Collection(PsCarrier::getCarriers(0));
-
-    expect($psCarriers->count())
-        ->toBe(1)
-        ->and($psCarriers->first())
-        ->toHaveKeysAndValues([
-            'id'           => 1,
-            'id_reference' => $referenceId,
-            'name'         => $carrier->human,
-        ]);
-})->with([
-    'only id' => function () {
-        return factory(Carrier::class)
-            ->fromPostNL()
-            ->withHuman('Carrier');
-    },
-
-    'id and subscription id' => function () {
-        return factory(Carrier::class)
-            ->fromDhlForYou()
-            ->withHuman('Carrier')
-            ->withSubscriptionId(8123);
-    },
-]);
-
 it('enables carriers based on settings', function (array $settings, bool $result) {
     setupCarrierActiveSettings($settings)->store();