diff --git a/phpstan.neon b/phpstan.neon
index 925b0b0..e3c1480 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -5,6 +5,5 @@ includes:
 	- vendor/phpstan/phpstan-phpunit/extension.neon
 
 parameters:
-	deprecationRulesInstalled: true
 	excludePaths:
 		- tests/*/data/*
diff --git a/rules.neon b/rules.neon
index a8f89b8..9d1d91d 100644
--- a/rules.neon
+++ b/rules.neon
@@ -2,6 +2,9 @@ services:
     -
         class: PHPStan\Rules\Deprecations\DeprecatedClassHelper
 
+parameters:
+    deprecationRulesInstalled: true
+
 rules:
 	- PHPStan\Rules\Deprecations\AccessDeprecatedPropertyRule
 	- PHPStan\Rules\Deprecations\AccessDeprecatedStaticPropertyRule