diff --git a/src/Aggregate/AggregateChanged.php b/src/Aggregate/AggregateChanged.php
index f66aa37b..79ff3a0c 100644
--- a/src/Aggregate/AggregateChanged.php
+++ b/src/Aggregate/AggregateChanged.php
@@ -5,7 +5,6 @@
 namespace Patchlevel\EventSourcing\Aggregate;
 
 use DateTimeImmutable;
-use Patchlevel\EventSourcing\Clock;
 
 use function json_decode;
 use function json_encode;
@@ -123,6 +122,6 @@ public function serialize(): array
 
     protected function createRecordDate(): DateTimeImmutable
     {
-        return Clock::createDateTimeImmutable();
+        return new DateTimeImmutable();
     }
 }
diff --git a/tests/Unit/Aggregate/AggregateChangedTest.php b/tests/Unit/Aggregate/AggregateChangedTest.php
index 6ec44592..e7bb61d3 100644
--- a/tests/Unit/Aggregate/AggregateChangedTest.php
+++ b/tests/Unit/Aggregate/AggregateChangedTest.php
@@ -7,7 +7,6 @@
 use DateTimeImmutable;
 use Error;
 use Patchlevel\EventSourcing\Aggregate\AggregateException;
-use Patchlevel\EventSourcing\Clock;
 use Patchlevel\EventSourcing\Tests\Unit\Fixture\Email;
 use Patchlevel\EventSourcing\Tests\Unit\Fixture\ProfileCreated;
 use Patchlevel\EventSourcing\Tests\Unit\Fixture\ProfileId;
@@ -17,16 +16,6 @@
 
 class AggregateChangedTest extends TestCase
 {
-    protected function setUp(): void
-    {
-        Clock::reset();
-    }
-
-    protected function tearDown(): void
-    {
-        Clock::reset();
-    }
-
     public function testCreateEvent(): void
     {
         $id = ProfileId::fromString('1');
@@ -50,9 +39,6 @@ public function testCreateEvent(): void
 
     public function testRecordNow(): void
     {
-        $currentDate = new DateTimeImmutable('2020-01-01 12:00:00');
-        Clock::freeze($currentDate);
-
         $id = ProfileId::fromString('1');
         $email = Email::fromString('d.a.badura@gmail.com');
 
@@ -62,7 +48,7 @@ public function testRecordNow(): void
         self::assertEquals($id, $recordedEvent->profileId());
         self::assertEquals($email, $recordedEvent->email());
         self::assertEquals(1, $recordedEvent->playhead());
-        self::assertEquals($currentDate, $recordedEvent->recordedOn());
+        self::assertInstanceOf(DateTimeImmutable::class, $recordedEvent->recordedOn());
         self::assertEquals(
             [
                 'profileId' => '1',
@@ -88,14 +74,14 @@ public function testEventAlreadyBeenRecorded(): void
 
     public function testSerialize(): void
     {
-        $currentDate = new DateTimeImmutable('2020-01-01 12:00:00');
-        Clock::freeze($currentDate);
-
         $id = ProfileId::fromString('1');
         $email = Email::fromString('d.a.badura@gmail.com');
 
         $event = ProfileCreated::raise($id, $email);
+
+        $beforeRecording = new DateTimeImmutable();
         $recordedEvent = $event->recordNow(1);
+        $afterRecording = new DateTimeImmutable();
 
         $serializedEvent = $recordedEvent->serialize();
 
@@ -117,7 +103,11 @@ public function testSerialize(): void
         self::assertEquals('{"profileId":"1","email":"d.a.badura@gmail.com"}', $serializedEvent['payload']);
 
         self::assertArrayHasKey('recordedOn', $serializedEvent);
-        self::assertEquals($currentDate, $serializedEvent['recordedOn']);
+        self::assertDateTimeImmutableBetween(
+            $beforeRecording,
+            $afterRecording,
+            $serializedEvent['recordedOn'],
+        );
     }
 
     public function testSerializeNotRecorded(): void
@@ -200,4 +190,13 @@ public function testDeserializeAndSerialize(): void
             $event->payload()
         );
     }
+
+    private static function assertDateTimeImmutableBetween(
+        DateTimeImmutable $fromExpected,
+        DateTimeImmutable $toExpected,
+        DateTimeImmutable $actual
+    ): void {
+        self::assertGreaterThanOrEqual($fromExpected, $actual);
+        self::assertLessThanOrEqual($toExpected, $actual);
+    }
 }