diff --git a/app/code/Magento/InventorySales/Model/DeleteSalesChannelToStockLinkInterface.php b/app/code/Magento/InventorySales/Model/DeleteSalesChannelToStockLinkInterface.php
new file mode 100644
index 000000000000..e37fde06b485
--- /dev/null
+++ b/app/code/Magento/InventorySales/Model/DeleteSalesChannelToStockLinkInterface.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Model;
+
+/**
+ * Delete link between Stock and Sales Channel (Service Provider Interface - SPI)
+ *
+ * @api
+ */
+interface DeleteSalesChannelToStockLinkInterface
+{
+    /**
+     * @param string $type
+     * @param string $code
+     * @return void
+     */
+    public function execute(string $type, string $code);
+}
diff --git a/app/code/Magento/InventorySales/Model/GetAssignedSalesChannelsForStock.php b/app/code/Magento/InventorySales/Model/GetAssignedSalesChannelsForStock.php
index 72d6087ec2d4..93c757bdafb3 100644
--- a/app/code/Magento/InventorySales/Model/GetAssignedSalesChannelsForStock.php
+++ b/app/code/Magento/InventorySales/Model/GetAssignedSalesChannelsForStock.php
@@ -8,8 +8,8 @@
 namespace Magento\InventorySales\Model;
 
 use Magento\InventorySales\Model\ResourceModel\GetAssignedSalesChannelsDataForStock;
-use Magento\InventorySalesApi\Api\Data\SalesChannelInterfaceFactory;
 use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterfaceFactory;
 
 /**
  * @inheritdoc
diff --git a/app/code/Magento/InventorySales/Model/GetAssignedStockIdForWebsiteInterface.php b/app/code/Magento/InventorySales/Model/GetAssignedStockIdForWebsiteInterface.php
new file mode 100644
index 000000000000..a6ebdd365b70
--- /dev/null
+++ b/app/code/Magento/InventorySales/Model/GetAssignedStockIdForWebsiteInterface.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Model;
+
+/**
+ * Get assigned Stock id for Website (Service Provider Interface - SPI)
+ *
+ * @api
+ */
+interface GetAssignedStockIdForWebsiteInterface
+{
+    /**
+     * Get assigned stock to website
+     *
+     * @param string $websiteCode
+     * @return int|null
+     */
+    public function execute(string $websiteCode);
+}
diff --git a/app/code/Magento/InventorySales/Model/ResourceModel/DeleteSalesChannelToStockLink.php b/app/code/Magento/InventorySales/Model/ResourceModel/DeleteSalesChannelToStockLink.php
new file mode 100644
index 000000000000..8db4c7897610
--- /dev/null
+++ b/app/code/Magento/InventorySales/Model/ResourceModel/DeleteSalesChannelToStockLink.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Model\ResourceModel;
+
+use Magento\Framework\App\ResourceConnection;
+use Magento\InventorySales\Model\DeleteSalesChannelToStockLinkInterface;
+use Magento\InventorySales\Setup\Operation\CreateSalesChannelTable;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+
+/**
+ * Implementation of link deleting between Stock and Sales Channels for specific db layer
+ *
+ * There is no additional business logic on SPI (Service Provider Interface) level so could use resource model as
+ * SPI implementation directly
+ */
+class DeleteSalesChannelToStockLink implements DeleteSalesChannelToStockLinkInterface
+{
+    /**
+     * @var ResourceConnection
+     */
+    private $resourceConnection;
+
+    /**
+     * @param ResourceConnection $resourceConnection
+     */
+    public function __construct(
+        ResourceConnection $resourceConnection
+    ) {
+        $this->resourceConnection = $resourceConnection;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function execute(string $type, string $code)
+    {
+        $connection = $this->resourceConnection->getConnection();
+        $tableName = $this->resourceConnection->getTableName(CreateSalesChannelTable::TABLE_NAME_SALES_CHANNEL);
+
+        $connection->delete($tableName, [
+            SalesChannelInterface::TYPE . ' = ?' => $type,
+            SalesChannelInterface::CODE . ' = ?' => $code,
+        ]);
+    }
+}
diff --git a/app/code/Magento/InventorySales/Model/ResourceModel/GetAssignedStockIdForWebsite.php b/app/code/Magento/InventorySales/Model/ResourceModel/GetAssignedStockIdForWebsite.php
new file mode 100644
index 000000000000..d82a2da57ca1
--- /dev/null
+++ b/app/code/Magento/InventorySales/Model/ResourceModel/GetAssignedStockIdForWebsite.php
@@ -0,0 +1,54 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Model\ResourceModel;
+
+use Magento\Framework\App\ResourceConnection;
+use Magento\InventorySales\Model\GetAssignedStockIdForWebsiteInterface;
+use Magento\InventorySales\Setup\Operation\CreateSalesChannelTable;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+
+/**
+ * @inheritdoc
+ */
+class GetAssignedStockIdForWebsite implements GetAssignedStockIdForWebsiteInterface
+{
+    /**
+     * @var ResourceConnection
+     */
+    private $resourceConnection;
+
+    /**
+     * @param ResourceConnection $resourceConnection
+     */
+    public function __construct(
+        ResourceConnection $resourceConnection
+    ) {
+        $this->resourceConnection = $resourceConnection;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function execute(string $websiteCode)
+    {
+        $connection = $this->resourceConnection->getConnection();
+        $tableName = $this->resourceConnection->getTableName(CreateSalesChannelTable::TABLE_NAME_SALES_CHANNEL);
+
+        $select = $connection->select()
+            ->from($tableName, [CreateSalesChannelTable::STOCK_ID])
+            ->where('code = ?', $websiteCode)
+            ->where('type = ?', SalesChannelInterface::TYPE_WEBSITE);
+
+        $result = $connection->fetchCol($select);
+
+        if (count($result) === 0) {
+            return null;
+        }
+        return reset($result);
+    }
+}
diff --git a/app/code/Magento/InventorySales/Model/ResourceModel/ReplaceSalesChannelsDataForStock.php b/app/code/Magento/InventorySales/Model/ResourceModel/ReplaceSalesChannelsDataForStock.php
index 567f53ad4a7d..1f967aa4e5b8 100644
--- a/app/code/Magento/InventorySales/Model/ResourceModel/ReplaceSalesChannelsDataForStock.php
+++ b/app/code/Magento/InventorySales/Model/ResourceModel/ReplaceSalesChannelsDataForStock.php
@@ -35,11 +35,7 @@ public function __construct(
     }
 
     /**
-     * Replace Sales Channels for Stock
-     *
-     * @param SalesChannelInterface[] $salesChannels
-     * @param int $stockId
-     * @return void
+     * @inheritdoc
      */
     public function execute(array $salesChannels, int $stockId)
     {
diff --git a/app/code/Magento/InventorySales/Observer/Stock/PopulateWithWebsiteSalesChannelsObserver.php b/app/code/Magento/InventorySales/Observer/Stock/PopulateWithWebsiteSalesChannelsObserver.php
index eb1242c9c0ea..3c73452baf11 100644
--- a/app/code/Magento/InventorySales/Observer/Stock/PopulateWithWebsiteSalesChannelsObserver.php
+++ b/app/code/Magento/InventorySales/Observer/Stock/PopulateWithWebsiteSalesChannelsObserver.php
@@ -49,9 +49,11 @@ public function execute(EventObserver $observer)
         $extensionAttributes = $stock->getExtensionAttributes();
         $assignedSalesChannels = $extensionAttributes->getSalesChannels();
 
-        foreach ($assignedSalesChannels as $key => $assignedSalesChannel) {
-            if ($assignedSalesChannel->getType() === SalesChannelInterface::TYPE_WEBSITE) {
-                unset($assignedSalesChannels[$key]);
+        if (null !== $assignedSalesChannels) {
+            foreach ($assignedSalesChannels as $key => $assignedSalesChannel) {
+                if ($assignedSalesChannel->getType() === SalesChannelInterface::TYPE_WEBSITE) {
+                    unset($assignedSalesChannels[$key]);
+                }
             }
         }
 
diff --git a/app/code/Magento/InventorySales/Observer/Website/AssignWebsiteToDefaultStock.php b/app/code/Magento/InventorySales/Observer/Website/AssignWebsiteToDefaultStock.php
new file mode 100644
index 000000000000..d913649f5739
--- /dev/null
+++ b/app/code/Magento/InventorySales/Observer/Website/AssignWebsiteToDefaultStock.php
@@ -0,0 +1,105 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Observer\Website;
+
+use Magento\Framework\Event\Observer;
+use Magento\Framework\Event\ObserverInterface;
+use Magento\InventoryApi\Api\StockRepositoryInterface;
+use Magento\InventoryCatalog\Api\DefaultStockProviderInterface;
+use Magento\InventorySales\Model\GetAssignedStockIdForWebsiteInterface;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterfaceFactory;
+use Magento\Store\Api\Data\WebsiteInterface;
+use Magento\Store\Model\Website;
+
+/**
+ * Assign the website to the default stock
+ */
+class AssignWebsiteToDefaultStock implements ObserverInterface
+{
+    /**
+     * @var StockRepositoryInterface
+     */
+    private $stockRepository;
+
+    /**
+     * @var DefaultStockProviderInterface
+     */
+    private $defaultStockProvider;
+
+    /**
+     * @var SalesChannelInterfaceFactory
+     */
+    private $salesChannelFactory;
+
+    /**
+     * @var GetAssignedStockIdForWebsiteInterface
+     */
+    private $getAssignedStockIdForWebsite;
+
+    /**
+     * @param StockRepositoryInterface $stockRepository
+     * @param DefaultStockProviderInterface $defaultStockProvider
+     * @param SalesChannelInterfaceFactory $salesChannelFactory
+     * @param GetAssignedStockIdForWebsiteInterface $getAssignedStockIdForWebsite
+     */
+    public function __construct(
+        StockRepositoryInterface $stockRepository,
+        DefaultStockProviderInterface $defaultStockProvider,
+        SalesChannelInterfaceFactory $salesChannelFactory,
+        GetAssignedStockIdForWebsiteInterface $getAssignedStockIdForWebsite
+    ) {
+        $this->stockRepository = $stockRepository;
+        $this->defaultStockProvider = $defaultStockProvider;
+        $this->salesChannelFactory = $salesChannelFactory;
+        $this->getAssignedStockIdForWebsite = $getAssignedStockIdForWebsite;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function execute(Observer $observer)
+    {
+        /** @var Website $website */
+        $website = $observer->getData('website');
+        $websiteCode = $website->getCode();
+
+        if ($websiteCode === WebsiteInterface::ADMIN_CODE) {
+            return;
+        }
+
+        // checks is some stock already assigned to this website
+        if ($this->getAssignedStockIdForWebsite->execute($websiteCode) !== null) {
+            return;
+        }
+
+        $defaultStockId = $this->defaultStockProvider->getId();
+        $defaultStock = $this->stockRepository->get($defaultStockId);
+
+        $extensionAttributes = $defaultStock->getExtensionAttributes();
+        $salesChannels = $extensionAttributes->getSalesChannels();
+        $salesChannels[] = $this->createSalesChannelByWebsiteCode($websiteCode);
+
+        $extensionAttributes->setSalesChannels($salesChannels);
+        $this->stockRepository->save($defaultStock);
+    }
+
+    /**
+     * Create the sales channel by given website code
+     *
+     * @param string $websiteCode
+     * @return SalesChannelInterface
+     */
+    private function createSalesChannelByWebsiteCode(string $websiteCode): SalesChannelInterface
+    {
+        $salesChannel = $this->salesChannelFactory->create();
+        $salesChannel->setCode($websiteCode);
+        $salesChannel->setType(SalesChannelInterface::TYPE_WEBSITE);
+        return $salesChannel;
+    }
+}
diff --git a/app/code/Magento/InventorySales/Observer/Website/DeleteWebsiteToStockLink.php b/app/code/Magento/InventorySales/Observer/Website/DeleteWebsiteToStockLink.php
new file mode 100644
index 000000000000..47e182a1feae
--- /dev/null
+++ b/app/code/Magento/InventorySales/Observer/Website/DeleteWebsiteToStockLink.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Observer\Website;
+
+use Magento\Framework\Event\Observer;
+use Magento\Framework\Event\ObserverInterface;
+use Magento\InventorySales\Model\DeleteSalesChannelToStockLinkInterface;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+use Magento\Store\Api\Data\WebsiteInterface;
+use Magento\Store\Model\Website;
+
+/**
+ * Delete link between Stock and Website
+ */
+class DeleteWebsiteToStockLink implements ObserverInterface
+{
+    /**
+     * @var DeleteSalesChannelToStockLinkInterface
+     */
+    private $deleteSalesChannelToStockLink;
+
+    /**
+     * @param DeleteSalesChannelToStockLinkInterface $deleteSalesChannelToStockLink
+     */
+    public function __construct(
+        DeleteSalesChannelToStockLinkInterface $deleteSalesChannelToStockLink
+    ) {
+        $this->deleteSalesChannelToStockLink = $deleteSalesChannelToStockLink;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function execute(Observer $observer)
+    {
+        /** @var Website $website */
+        $website = $observer->getData('website');
+        $websiteCode = $website->getCode();
+
+        if ($websiteCode === WebsiteInterface::ADMIN_CODE) {
+            return;
+        }
+        $this->deleteSalesChannelToStockLink->execute(SalesChannelInterface::TYPE_WEBSITE, $websiteCode);
+    }
+}
diff --git a/app/code/Magento/InventorySales/Test/Integration/Website/AssignWebsiteToDefaultStockTest.php b/app/code/Magento/InventorySales/Test/Integration/Website/AssignWebsiteToDefaultStockTest.php
new file mode 100644
index 000000000000..b9fd61ea6c08
--- /dev/null
+++ b/app/code/Magento/InventorySales/Test/Integration/Website/AssignWebsiteToDefaultStockTest.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Test\Integration\Website;
+
+use Magento\InventoryApi\Api\StockRepositoryInterface;
+use Magento\InventoryCatalog\Api\DefaultStockProviderInterface;
+use Magento\InventorySalesApi\Api\Data\SalesChannelInterface;
+use Magento\Store\Model\Website;
+use Magento\Store\Model\WebsiteFactory;
+use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
+
+class AssignWebsiteToDefaultStockTest extends TestCase
+{
+    /**
+     * @var WebsiteFactory
+     */
+    private $websiteFactory;
+
+    /**
+     * @var StockRepositoryInterface
+     */
+    private $stockRepository;
+
+    /**
+     * @var DefaultStockProviderInterface
+     */
+    private $defaultStockProvider;
+
+    protected function setUp()
+    {
+        $this->websiteFactory = Bootstrap::getObjectManager()->get(WebsiteFactory::class);
+        $this->stockRepository = Bootstrap::getObjectManager()->get(StockRepositoryInterface::class);
+        $this->defaultStockProvider = Bootstrap::getObjectManager()->get(DefaultStockProviderInterface::class);
+    }
+
+    /**
+     * Creates website inside of test so need to enable db isolation to prevent change db state after test execution
+     * @magentoDbIsolation enabled
+     */
+    public function testCreateWebsiteIfSalesChannelsAreEmpty()
+    {
+        $websiteCode = 'test_1';
+
+        /** @var Website $website */
+        $website = $this->websiteFactory->create();
+        $website->setCode($websiteCode);
+        // Use website model because we haven't api interfaces for website saving
+        $website->save();
+
+        $defaultStockId = $this->defaultStockProvider->getId();
+        $defaultStock = $this->stockRepository->get($defaultStockId);
+
+        $extensionAttributes = $defaultStock->getExtensionAttributes();
+        $salesChannels = $extensionAttributes->getSalesChannels();
+        self::assertContainsOnlyInstancesOf(SalesChannelInterface::class, $salesChannels);
+        self::assertCount(1, $salesChannels);
+
+        $salesChannel = reset($salesChannels);
+        self::assertEquals($website->getCode(), $salesChannel->getCode());
+        self::assertEquals(SalesChannelInterface::TYPE_WEBSITE, $salesChannel->getType());
+    }
+}
diff --git a/app/code/Magento/InventorySales/Test/Integration/Website/DeleteWebsiteToStockLinkTest.php b/app/code/Magento/InventorySales/Test/Integration/Website/DeleteWebsiteToStockLinkTest.php
new file mode 100644
index 000000000000..05d45ba35962
--- /dev/null
+++ b/app/code/Magento/InventorySales/Test/Integration/Website/DeleteWebsiteToStockLinkTest.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Test\Integration\Website;
+
+use Magento\Framework\Registry;
+use Magento\InventorySales\Model\GetAssignedStockIdForWebsiteInterface;
+use Magento\Store\Model\Website;
+use Magento\Store\Model\WebsiteFactory;
+use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
+
+class DeleteWebsiteToStockLinkTest extends TestCase
+{
+    /**
+     * @var WebsiteFactory
+     */
+    private $websiteFactory;
+
+    /**
+     * @var GetAssignedStockIdForWebsiteInterface
+     */
+    private $getAssignedStockIdForWebsite;
+
+    protected function setUp()
+    {
+        $this->websiteFactory = Bootstrap::getObjectManager()->get(WebsiteFactory::class);
+        $this->getAssignedStockIdForWebsite = Bootstrap::getObjectManager()->get(
+            GetAssignedStockIdForWebsiteInterface::class
+        );
+    }
+
+    /**
+     * Creates website inside of test so need to enable db isolation to prevent change db state after test execution
+     * @magentoDbIsolation enabled
+     */
+    public function testGetAssignedStocksForWebsite()
+    {
+        $websiteCode = 'test_1';
+
+        /** @var Website $website */
+        $website = $this->websiteFactory->create();
+        $website->setCode($websiteCode);
+        // Use website model because we haven't api interfaces for website saving/deleting
+        $website->save();
+        $this->deleteWebsite($website);
+
+        $stockId = $this->getAssignedStockIdForWebsite->execute($websiteCode);
+        self::assertNull($stockId);
+    }
+
+    /**
+     * @param Website $website
+     * @return void
+     */
+    private function deleteWebsite(Website $website)
+    {
+        $registry = Bootstrap::getObjectManager()->get(Registry::class);
+        $registry->unregister('isSecureArea');
+        $registry->register('isSecureArea', true);
+        $website->delete();
+        $registry->unregister('isSecureArea');
+        $registry->register('isSecureArea', false);
+    }
+}
diff --git a/app/code/Magento/InventorySales/Test/Integration/Website/GetAssignedStockIdForWebsiteTest.php b/app/code/Magento/InventorySales/Test/Integration/Website/GetAssignedStockIdForWebsiteTest.php
new file mode 100644
index 000000000000..288aa04566ba
--- /dev/null
+++ b/app/code/Magento/InventorySales/Test/Integration/Website/GetAssignedStockIdForWebsiteTest.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\InventorySales\Test\Integration\Website;
+
+use Magento\InventoryCatalog\Api\DefaultStockProviderInterface;
+use Magento\InventorySales\Model\GetAssignedStockIdForWebsiteInterface;
+use Magento\Store\Model\Website;
+use Magento\Store\Model\WebsiteFactory;
+use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
+
+class GetAssignedStockIdForWebsiteTest extends TestCase
+{
+    /**
+     * @var WebsiteFactory
+     */
+    private $websiteFactory;
+
+    /**
+     * @var GetAssignedStockIdForWebsiteInterface
+     */
+    private $getAssignedStockIdForWebsite;
+
+    /**
+     * @var DefaultStockProviderInterface
+     */
+    private $defaultStockProvider;
+
+    protected function setUp()
+    {
+        $this->websiteFactory = Bootstrap::getObjectManager()->get(WebsiteFactory::class);
+        $this->getAssignedStockIdForWebsite = Bootstrap::getObjectManager()->get(
+            GetAssignedStockIdForWebsiteInterface::class
+        );
+        $this->defaultStockProvider = Bootstrap::getObjectManager()->get(DefaultStockProviderInterface::class);
+    }
+
+    public function testGetAssignedStocksForNotExistedWebsite()
+    {
+        self::assertNull($this->getAssignedStockIdForWebsite->execute('not_existed_website_code'));
+    }
+
+    /**
+     * Creates website inside of test so need to enable db isolation to prevent change db state after test execution
+     * @magentoDbIsolation enabled
+     */
+    public function testGetAssignedStocksForWebsite()
+    {
+        $websiteCode = 'test_1';
+
+        /** @var Website $website */
+        $website = $this->websiteFactory->create();
+        $website->setCode($websiteCode);
+        // Use website model because we haven't api interfaces for website saving
+        $website->save();
+
+        $stockId = $this->getAssignedStockIdForWebsite->execute($websiteCode);
+        self::assertEquals($this->defaultStockProvider->getId(), $stockId);
+    }
+}
diff --git a/app/code/Magento/InventorySales/etc/di.xml b/app/code/Magento/InventorySales/etc/di.xml
index 87feda242e6c..5d4c7be74aaf 100644
--- a/app/code/Magento/InventorySales/etc/di.xml
+++ b/app/code/Magento/InventorySales/etc/di.xml
@@ -11,6 +11,8 @@
     <preference for="Magento\InventorySales\Model\GetAssignedSalesChannelsForStockInterface" type="Magento\InventorySales\Model\GetAssignedSalesChannelsForStock"/>
     <preference for="Magento\InventorySales\Model\ReplaceSalesChannelsForStockInterface" type="Magento\InventorySales\Model\ResourceModel\ReplaceSalesChannelsDataForStock"/>
     <preference for="Magento\InventorySales\Ui\SalesChannelNameResolverInterface" type="Magento\InventorySales\Ui\WebsiteNameResolver"/>
+    <preference for="Magento\InventorySales\Model\GetAssignedStockIdForWebsiteInterface" type="Magento\InventorySales\Model\ResourceModel\GetAssignedStockIdForWebsite"/>
+    <preference for="Magento\InventorySales\Model\DeleteSalesChannelToStockLinkInterface" type="Magento\InventorySales\Model\ResourceModel\DeleteSalesChannelToStockLink"/>
     <type name="Magento\InventoryApi\Api\StockRepositoryInterface">
         <plugin name="load_sales_channels_on_get_list" type="Magento\InventorySales\Plugin\Inventory\StockRepository\LoadSalesChannelsOnGetListPlugin"/>
         <plugin name="load_sales_channels_on_get" type="Magento\InventorySales\Plugin\Inventory\StockRepository\LoadSalesChannelsOnGetPlugin"/>
diff --git a/app/code/Magento/InventorySales/etc/events.xml b/app/code/Magento/InventorySales/etc/events.xml
new file mode 100644
index 000000000000..214d97feeb2d
--- /dev/null
+++ b/app/code/Magento/InventorySales/etc/events.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
+    <event name="website_save_after">
+        <observer name="assign_website_to_default_stock" instance="Magento\InventorySales\Observer\Website\AssignWebsiteToDefaultStock"/>
+    </event>
+    <event name="website_delete_after">
+        <observer name="delete_website_to_stock_link" instance="Magento\InventorySales\Observer\Website\DeleteWebsiteToStockLink"/>
+    </event>
+</config>
diff --git a/dev/tests/integration/testsuite/Magento/Catalog/Model/ResourceModel/_files/website_attribute_sync_rollback.php b/dev/tests/integration/testsuite/Magento/Catalog/Model/ResourceModel/_files/website_attribute_sync_rollback.php
index 7505e3430d53..307dbede649e 100644
--- a/dev/tests/integration/testsuite/Magento/Catalog/Model/ResourceModel/_files/website_attribute_sync_rollback.php
+++ b/dev/tests/integration/testsuite/Magento/Catalog/Model/ResourceModel/_files/website_attribute_sync_rollback.php
@@ -76,12 +76,10 @@
 /**
  * remove website by id
  */
-$connection->delete(
-    $resourceConnection->getTableName('store_website'),
-    [
-        'website_id = ?' => $websiteId,
-    ]
-);
+/** @var \Magento\Store\Model\Website $website */
+$website = Bootstrap::getObjectManager()->create(\Magento\Store\Model\Website::class);
+$website->load((int)$websiteId);
+$website->delete();
 
 /**
  * reIndex all