diff --git a/.github/workflows/run-checks-tests.yaml b/.github/workflows/run-checks-tests.yaml
index 0c6b132f3..00fc28891 100644
--- a/.github/workflows/run-checks-tests.yaml
+++ b/.github/workflows/run-checks-tests.yaml
@@ -20,9 +20,5 @@ jobs:
                     tools: composer
             -   name: Install Composer dependencies
                 run: composer install --optimize-autoloader --no-interaction
-            -   name: Run parallel-lint
-                run: php vendor/bin/parallel-lint ./src ./tests
-            -   name: Run Easy Coding Standards
-                run: php vendor/bin/ecs check --verbose ./src ./tests
             -   name: Run PHPUnit
                 run: php vendor/bin/phpunit tests
diff --git a/composer.json b/composer.json
index 8807528d5..3a21df6f8 100644
--- a/composer.json
+++ b/composer.json
@@ -44,13 +44,11 @@
         "twig/twig": "^3.5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5.20",
-        "shopsys/coding-standards": "15.0.x-dev"
+        "phpunit/phpunit": "^9.5.20"
     },
     "config": {
         "allow-plugins": {
-            "symfony/flex": true,
-            "dealerdirect/phpcodesniffer-composer-installer": true
+            "symfony/flex": true
         }
     }
 }
diff --git a/ecs.php b/ecs.php
deleted file mode 100644
index ace0ab33a..000000000
--- a/ecs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use PHP_CodeSniffer\Standards\Squiz\Sniffs\NamingConventions\ValidVariableNameSniff;
-use PhpCsFixer\Fixer\FunctionNotation\PhpdocToPropertyTypeFixer;
-use PhpCsFixer\Fixer\Strict\DeclareStrictTypesFixer;
-use Shopsys\CodingStandards\CsFixer\ForbiddenPrivateVisibilityFixer;
-use Shopsys\CodingStandards\Sniffs\ForceLateStaticBindingForProtectedConstantsSniff;
-use Shopsys\CodingStandards\Sniffs\ObjectIsCreatedByFactorySniff;
-use SlevomatCodingStandard\Sniffs\Functions\FunctionLengthSniff;
-use SlevomatCodingStandard\Sniffs\TypeHints\PropertyTypeHintSniff;
-use Symplify\EasyCodingStandard\Config\ECSConfig;
-
-/**
- * @param Symplify\EasyCodingStandard\Config\ECSConfig $ecsConfig
- */
-return static function (ECSConfig $ecsConfig): void {
-    $ecsConfig->rule(ForceLateStaticBindingForProtectedConstantsSniff::class);
-
-    /*
-     * this package is meant to be extensible using class inheritance,
-     * so we want to avoid private visibilities in the model namespace
-     */
-    $services = $ecsConfig->services();
-    $services->set('forbidden_private_visibility_fixer.product_feed_heureka', ForbiddenPrivateVisibilityFixer::class)
-        ->call('configure', [
-            [
-                'analyzed_namespaces' => [
-                    'Shopsys\ProductFeed\HeurekaBundle\Model',
-                ],
-            ],
-        ]);
-
-    $ecsConfig->skip([
-        FunctionLengthSniff::class => [
-            __DIR__ . '/src/DataFixtures/HeurekaProductDataFixture.php',
-            __DIR__ . '/tests/Unit/HeurekaFeedTest.php',
-        ],
-        ValidVariableNameSniff::class . '.MemberNotCamelCaps' => [
-            __DIR__ . '/src/Model/HeurekaCategory/HeurekaCategoryDownloader.php',
-        ],
-        ValidVariableNameSniff::class . '.NotCamelCaps' => [
-            __DIR__ . '/src/Model/HeurekaCategory/HeurekaCategoryDownloader.php',
-        ],
-        ObjectIsCreatedByFactorySniff::class => [
-            __DIR__ . '/tests/*',
-        ],
-        PhpdocToPropertyTypeFixer::class => [
-            __DIR__ . '/src/*',
-        ],
-        PropertyTypeHintSniff::class => [
-            __DIR__ . '/src/Model/Product/HeurekaProductDomain.php',
-            __DIR__ . '/src/Model/HeurekaCategory/HeurekaCategory.php',
-        ],
-    ]);
-
-    $ecsConfig->import(__DIR__ . '/vendor/shopsys/coding-standards/ecs.php', null, true);
-};