diff --git a/phpstan/config.neon b/phpstan/config.neon
index c59a66951..710ebd4ea 100644
--- a/phpstan/config.neon
+++ b/phpstan/config.neon
@@ -4,11 +4,15 @@ includes:
 
 parameters:
     level: 5
+
     excludes_analyse:
        - '../tests/Composer/Test/Fixtures/*'
        - '../tests/Composer/Test/Autoload/Fixtures/*'
        - '../tests/Composer/Test/Plugin/Fixtures/*'
        - '../tests/Composer/Test/PolyfillTestCase.php'
+
+    reportUnmatchedIgnoredErrors: false
+
     ignoreErrors:
         # unused parameters
         - '~^Constructor of class Composer\\Repository\\VcsRepository has an unused parameter \$dispatcher\.$~'