diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 49f9215..f6ea12c 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -20,11 +20,6 @@ parameters:
 			count: 1
 			path: tests/TestCase.php
 
-		-
-			message: "#^Method Cdn77\\\\TestCase\\:\\:getSniffName\\(\\) should return string but returns string\\|null\\.$#"
-			count: 1
-			path: tests/TestCase.php
-
 		-
 			message: "#^Parameter \\#3 \\.\\.\\.\\$values of function sprintf expects bool\\|float\\|int\\|string\\|null, mixed given\\.$#"
 			count: 1
diff --git a/tests/TestCase.php b/tests/TestCase.php
index 913e03c..073df3c 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -19,7 +19,6 @@
 use function define;
 use function defined;
 use function in_array;
-use function preg_replace;
 use function sprintf;
 use function str_replace;
 use function strlen;
@@ -80,23 +79,6 @@ protected static function checkFile(string $filePath, array $sniffProperties = [
         return $file;
     }
 
-    private static function getSniffName(): string
-    {
-        return preg_replace(
-            [
-                '~\\\~',
-                '~\.Sniffs~',
-                '~Sniff$~',
-            ],
-            [
-                '.',
-                '',
-                '',
-            ],
-            static::getSniffClassName(),
-        );
-    }
-
     private static function getSniffClassReflection(): ReflectionClass
     {
         static $reflections = [];