diff --git a/rector.php b/rector.php
index 350fa51..388c52c 100644
--- a/rector.php
+++ b/rector.php
@@ -14,4 +14,4 @@ return RectorConfig::configure()
     ])
     // uncomment to reach your current PHP version
     ->withPhpSets()
-    ->withPreparedSets(typeDeclarations : true);
+    ->withPreparedSets(deadCode: true, codeQuality: true, typeDeclarations : true);
diff --git a/tests/Numerics/RangeTest.php b/tests/Numerics/RangeTest.php
index 181075a..2f4cd32 100644
--- a/tests/Numerics/RangeTest.php
+++ b/tests/Numerics/RangeTest.php
@@ -13,13 +13,13 @@ class RangeTest extends TestCase
     public function testConstructInvalidParam(): void
     {
         $this->expectException(Exception::class);
-        $range = new Range(10, 5);
+        new Range(10, 5);
     }
 
     public function testFactoryInclusiveInvalidParam(): void
     {
         $this->expectException(Exception::class);
-        $range = Range::inclusive(10, 5);
+        Range::inclusive(10, 5);
     }
 
     public function testNormalUse(): void