commerce_inventory-8.x-1.0-alpha6/modules/commerce_inventory_product/commerce_inventory_product.install

<?php

/**
 * @file
 * Various install/uninstall hooks for the Commerce Inventory Product module.
 */

/**
 * Implements hook_uninstall().
 */
function commerce_inventory_product_uninstall() {
  /** @var \Drupal\commerce_inventory\Entity\Storage\InventoryItemStorageInterface $storage */
  $storage = \Drupal::entityTypeManager()->getStorage('commerce_inventory_item');
  $storage->delete($storage->loadItemsByPurchasableEntity('commerce_product_variation'));
}