diff --git a/composer.json b/composer.json
index d3083606..12de230a 100644
--- a/composer.json
+++ b/composer.json
@@ -59,7 +59,6 @@
     "rector/rector": "^0.13.6",
     "squizlabs/php_codesniffer": "^3.7",
     "symfony/cache": "^4.4 || ^5.4 || ^6.1",
-    "symplify/easy-coding-standard": "^11.1",
     "szepeviktor/phpstan-wordpress": "^1.1",
     "vimeo/psalm": "^4.24",
     "wikimedia/composer-merge-plugin": "^2.0"
diff --git a/ecs.php b/ecs.php
deleted file mode 100644
index 140eed84..00000000
--- a/ecs.php
+++ /dev/null
@@ -1,89 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis\AssignmentInConditionSniff;
-use PhpCsFixer\Fixer\FunctionNotation\FunctionTypehintSpaceFixer;
-use PhpCsFixer\Fixer\FunctionNotation\StaticLambdaFixer;
-use PhpCsFixer\Fixer\Phpdoc\GeneralPhpdocAnnotationRemoveFixer;
-use PhpCsFixer\Fixer\Phpdoc\NoSuperfluousPhpdocTagsFixer;
-use PhpCsFixer\Fixer\Phpdoc\PhpdocNoEmptyReturnFixer;
-use PhpCsFixer\Fixer\Phpdoc\PhpdocTypesFixer;
-use PhpCsFixer\Fixer\PhpUnit\PhpUnitStrictFixer;
-use Symplify\CodingStandard\Fixer\LineLength\DocBlockLineLengthFixer;
-use Symplify\EasyCodingStandard\Config\ECSConfig;
-use Symplify\EasyCodingStandard\ValueObject\Set\SetList;
-
-return static function (ECSConfig $ecsConfig): void {
-    $ecsConfig->sets([SetList::PSR_12, SetList::SYMPLIFY, SetList::COMMON, SetList::CLEAN_CODE]);
-
-    $ecsConfig->paths([
-        __DIR__ . '/bin',
-        __DIR__ . '/src',
-        __DIR__ . '/packages',
-        __DIR__ . '/packages-tests',
-        __DIR__ . '/rules',
-        __DIR__ . '/rules-tests',
-        __DIR__ . '/tests',
-        __DIR__ . '/utils',
-        __DIR__ . '/config',
-        __DIR__ . '/ecs.php',
-        __DIR__ . '/easy-ci.php',
-        __DIR__ . '/rector.php',
-        __DIR__ . '/scoper.php',
-        __DIR__ . '/build/build-preload.php',
-    ]);
-
-    $ecsConfig->ruleWithConfiguration(NoSuperfluousPhpdocTagsFixer::class, [
-        'allow_mixed' => true,
-    ]);
-
-    $ecsConfig->ruleWithConfiguration(GeneralPhpdocAnnotationRemoveFixer::class, [
-        'annotations' => [
-            'throw',
-            'throws',
-            'author',
-            'authors',
-            'package',
-            'group',
-            'required',
-            'phpstan-ignore-line',
-            'phpstan-ignore-next-line',
-        ],
-    ]);
-
-    $ecsConfig->rule(StaticLambdaFixer::class);
-
-    $ecsConfig->skip([
-        '*/Source/*',
-        '*/Fixture/*',
-        '*/Expected/*',
-
-        // buggy - @todo fix on Symplify master
-        DocBlockLineLengthFixer::class,
-
-        PhpdocTypesFixer::class => [
-            // double to Double false positive
-            __DIR__ . '/rules/Php74/Rector/Double/RealToFloatTypeCastRector.php',
-            // skip for enum types
-            __DIR__ . '/rules/Php70/Rector/MethodCall/ThisCallOnStaticMethodToStaticCallRector.php',
-        ],
-
-        // breaking and handled better by Rector PHPUnit code quality set, removed in symplify dev-main
-        PhpUnitStrictFixer::class,
-
-        // skip add space on &$variable
-        FunctionTypehintSpaceFixer::class => [
-            __DIR__ . '/src/PhpParser/Printer/BetterStandardPrinter.php',
-            __DIR__ . '/src/DependencyInjection/Loader/Configurator/RectorServiceConfigurator.php',
-            __DIR__ . '/rules/Php70/EregToPcreTransformer.php',
-        ],
-
-        AssignmentInConditionSniff::class . '.FoundInWhileCondition',
-
-        // null on purpose as no change
-        PhpdocNoEmptyReturnFixer::class => [
-            __DIR__ . '/rules/DeadCode/Rector/ConstFetch/RemovePhpVersionIdCheckRector.php',
-        ],
-    ]);
-};