How to remove product attribute programmatically in Magento 2?

1. Create InstallData.php at the following path and paste the below code.

app\code\Magemonkeys\RemoveAttribute\Setup\InstallData.php

<?php
 namespace Magemonkeys\RemoveAttribute\Setup;

 use Magento\Eav\Setup\EavSetup;
 use Magento\Eav\Setup\EavSetupFactory;
 use Magento\Framework\Setup\InstallDataInterface;
 use Magento\Framework\Setup\ModuleContextInterface;
 use Magento\Framework\Setup\ModuleDataSetupInterface;

class InstallData implements InstallDataInterface
 {
     private $eavSetupFactory;

     public function __construct(EavSetupFactory $eavSetupFactory) 
     {
         $this->eavSetupFactory = $eavSetupFactory;
     }
 
     public function install(ModuleDataSetupInterface $setup, ModuleContextInterface $context)
     {
         $eavSetup = $this->eavSetupFactory->create(['setup' => $setup]);
         $eavSetup->removeAttribute(\Magento\Catalog\Model\Product::ENTITY,
         'custom_attribute_id');
     }
 } ?>

<?php

namespace Magemonkeys\RemoveAttribute\Setup;

use Magento\Eav\Setup\EavSetup;

use Magento\Eav\Setup\EavSetupFactory;

use Magento\Framework\Setup\InstallDataInterface;

use Magento\Framework\Setup\ModuleContextInterface;

use Magento\Framework\Setup\ModuleDataSetupInterface;

class InstallData implements InstallDataInterface

{

private $eavSetupFactory;

public function __construct(EavSetupFactory $eavSetupFactory)

{

$this->eavSetupFactory = $eavSetupFactory;

}

public function install(ModuleDataSetupInterface $setup, ModuleContextInterface $context)

{

$eavSetup = $this->eavSetupFactory->create(['setup' => $setup]);

$eavSetup->removeAttribute(\Magento\Catalog\Model\Product::ENTITY,

'custom_attribute_id');

}

} ?>

2. Refresh the cache and deploy the static content command.

php bin/magento setup:upgrade

php bin/magento setup:static-content:deploy -f

php bin/magento cache:flush

php bin/magento setup:upgrade

php bin/magento setup:static-content:deploy -f

php bin/magento cache:flush

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