diff --git a/ecs.php b/ecs.php
index 498122cd5..d9edd0b69 100644
--- a/ecs.php
+++ b/ecs.php
@@ -16,7 +16,6 @@
 use PhpCsFixer\Fixer\FunctionNotation\SingleLineThrowFixer;
 use PhpCsFixer\Fixer\Import\OrderedImportsFixer;
 use PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer;
-use PhpCsFixer\Fixer\NamespaceNotation\NoBlankLinesBeforeNamespaceFixer;
 use PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer;
 use PhpCsFixer\Fixer\Operator\ConcatSpaceFixer;
 use PhpCsFixer\Fixer\Operator\IncrementStyleFixer;
@@ -100,7 +99,6 @@
         PhpdocSeparationFixer::class => null,
         BlankLineAfterOpeningTagFixer::class => null,
         ClassAttributesSeparationFixer::class => null,
-        NoBlankLinesBeforeNamespaceFixer::class => null,
         NotOperatorWithSuccessorSpaceFixer::class => null,
         SingleLineThrowFixer::class => null,
         PhpdocAlignFixer::class => null,