diff --git a/src/Logger/ConsoleLogger.php b/src/Logger/ConsoleLogger.php
index 3c7fb005f..2231042d6 100644
--- a/src/Logger/ConsoleLogger.php
+++ b/src/Logger/ConsoleLogger.php
@@ -86,7 +86,7 @@ final class ConsoleLogger extends AbstractLogger
         LogLevel::NOTICE => 'note',
     ];
 
-    private \Infection\Console\IO $io;
+    private IO $io;
 
     public function __construct(IO $io)
     {
diff --git a/src/Metrics/MetricsCalculator.php b/src/Metrics/MetricsCalculator.php
index 1a5e784d9..00f25375f 100644
--- a/src/Metrics/MetricsCalculator.php
+++ b/src/Metrics/MetricsCalculator.php
@@ -69,7 +69,7 @@ class MetricsCalculator
 
     private int $totalMutantsCount = 0;
 
-    private ?\Infection\Metrics\Calculator $calculator = null;
+    private ?Calculator $calculator = null;
 
     public function __construct(int $roundingPrecision)
     {
diff --git a/tests/phpunit/Mutator/Removal/ArrayItemRemovalConfigTest.php b/tests/phpunit/Mutator/Removal/ArrayItemRemovalConfigTest.php
index 1bc9f3f0a..6b961bd6b 100644
--- a/tests/phpunit/Mutator/Removal/ArrayItemRemovalConfigTest.php
+++ b/tests/phpunit/Mutator/Removal/ArrayItemRemovalConfigTest.php
@@ -78,10 +78,11 @@ public function test_the_limit_must_be_an_integer(): void
 
             $this->fail();
         } catch (TypeError $exception) {
-            $this->assertSame(
-                'Typed property Infection\Mutator\Removal\ArrayItemRemovalConfig::$limit must be int, string used',
-                $exception->getMessage()
-            );
+            $message = PHP_VERSION_ID < 80000
+                ? 'Typed property Infection\Mutator\Removal\ArrayItemRemovalConfig::$limit must be int, string used'
+                : 'Cannot assign string to property Infection\Mutator\Removal\ArrayItemRemovalConfig::$limit of type int';
+
+            $this->assertSame($message, $exception->getMessage());
         }
     }