diff --git a/src/DeepLinkResources/DateTimeInterval.php b/src/DeepLinkResources/DateTimeInterval.php
index e3b2cef2..3b3927b4 100644
--- a/src/DeepLinkResources/DateTimeInterval.php
+++ b/src/DeepLinkResources/DateTimeInterval.php
@@ -21,7 +21,7 @@ public function __construct(
 
     public static function new(): self
     {
-        return new DateTimeInterval();
+        return new DateTimeInterval;
     }
 
     public function getArray(): array
diff --git a/src/DeepLinkResources/Iframe.php b/src/DeepLinkResources/Iframe.php
index bf2971ad..88ebf6d6 100644
--- a/src/DeepLinkResources/Iframe.php
+++ b/src/DeepLinkResources/Iframe.php
@@ -16,7 +16,7 @@ public function __construct(
 
     public static function new(): self
     {
-        return new Iframe();
+        return new Iframe;
     }
 
     public function getArray(): array
diff --git a/src/DeepLinkResources/Resource.php b/src/DeepLinkResources/Resource.php
index 0d3e3f94..16a11c38 100644
--- a/src/DeepLinkResources/Resource.php
+++ b/src/DeepLinkResources/Resource.php
@@ -25,7 +25,7 @@ class Resource
 
     public static function new(): self
     {
-        return new Resource();
+        return new Resource;
     }
 
     public function getArray(): array
diff --git a/src/DeepLinkResources/Window.php b/src/DeepLinkResources/Window.php
index 3df80336..8809027d 100644
--- a/src/DeepLinkResources/Window.php
+++ b/src/DeepLinkResources/Window.php
@@ -17,7 +17,7 @@ public function __construct(
 
     public static function new(): self
     {
-        return new Window();
+        return new Window;
     }
 
     public function getArray(): array
diff --git a/src/LtiGrade.php b/src/LtiGrade.php
index bd673b4e..4d17e348 100644
--- a/src/LtiGrade.php
+++ b/src/LtiGrade.php
@@ -50,7 +50,7 @@ public function getArray(): array
      */
     public static function new(): self
     {
-        return new LtiGrade();
+        return new LtiGrade;
     }
 
     public function getScoreGiven()
diff --git a/src/LtiGradeSubmissionReview.php b/src/LtiGradeSubmissionReview.php
index 4732d784..f44689f3 100644
--- a/src/LtiGradeSubmissionReview.php
+++ b/src/LtiGradeSubmissionReview.php
@@ -35,7 +35,7 @@ public function getArray(): array
      */
     public static function new(): self
     {
-        return new LtiGradeSubmissionReview();
+        return new LtiGradeSubmissionReview;
     }
 
     public function getReviewableStatus()
diff --git a/src/LtiMessageLaunch.php b/src/LtiMessageLaunch.php
index b7b0936d..475829b4 100644
--- a/src/LtiMessageLaunch.php
+++ b/src/LtiMessageLaunch.php
@@ -438,7 +438,7 @@ protected function validateJwtSignature(): self
 
         // Validate JWT signature
         try {
-            $headers = new \stdClass();
+            $headers = new \stdClass;
             JWT::decode($this->request['id_token'], $public_key, $headers);
         } catch (ExpiredException $e) {
             // Error validating signature.
diff --git a/tests/Certification/Lti13CertificationTest.php b/tests/Certification/Lti13CertificationTest.php
index 32c5255a..4130bbd6 100644
--- a/tests/Certification/Lti13CertificationTest.php
+++ b/tests/Certification/Lti13CertificationTest.php
@@ -250,8 +250,8 @@ public function setUp(): void
             ]),
             new LtiDeployment(static::ISSUER_URL)
         );
-        $this->cache = new TestCache();
-        $this->cookie = new TestCookie();
+        $this->cache = new TestCache;
+        $this->cookie = new TestCookie;
         $this->cookie->setCookie(
             LtiOidcLogin::COOKIE_PREFIX.static::STATE,
             static::STATE
diff --git a/tests/DeepLinkResources/ResourceTest.php b/tests/DeepLinkResources/ResourceTest.php
index 2f7b236d..87074fae 100644
--- a/tests/DeepLinkResources/ResourceTest.php
+++ b/tests/DeepLinkResources/ResourceTest.php
@@ -18,7 +18,7 @@ class ResourceTest extends TestCase
 
     public function setUp(): void
     {
-        $this->resource = new Resource();
+        $this->resource = new Resource;
     }
 
     public function testItInstantiates()
@@ -178,7 +178,7 @@ public function testItGetsIframe()
 
     public function testItSetsIframe()
     {
-        $expected = new Iframe();
+        $expected = new Iframe;
 
         $result = $this->resource->setIframe($expected);
 
@@ -195,7 +195,7 @@ public function testItGetsWindow()
 
     public function testItSetsWindow()
     {
-        $expected = new Window();
+        $expected = new Window;
 
         $result = $this->resource->setWindow($expected);
 
@@ -212,7 +212,7 @@ public function testItGetsAvailabilityInterval()
 
     public function testItSetsAvailabilityInterval()
     {
-        $expected = new DateTimeInterval();
+        $expected = new DateTimeInterval;
 
         $result = $this->resource->setAvailabilityInterval($expected);
 
@@ -229,7 +229,7 @@ public function testItGetsSubmissionInterval()
 
     public function testItSetsSubmissionInterval()
     {
-        $expected = new DateTimeInterval();
+        $expected = new DateTimeInterval;
 
         $result = $this->resource->setSubmissionInterval($expected);
 
@@ -254,8 +254,8 @@ public function testItCreatesArrayWithoutOptionalProperties()
     public function testItCreatesArrayWithDefinedOptionalProperties()
     {
         $icon = Icon::new('https://example.com/image.png', 100, 200);
-        $Iframe = new Iframe();
-        $window = new Window();
+        $Iframe = new Iframe;
+        $window = new Window;
         $dateTimeInterval = new DateTimeInterval(date_create());
 
         $expected = [
diff --git a/tests/JwksEndpointTest.php b/tests/JwksEndpointTest.php
index 00098e7d..5bc49eef 100644
--- a/tests/JwksEndpointTest.php
+++ b/tests/JwksEndpointTest.php
@@ -70,7 +70,7 @@ public function testItGetsJwksForTheProvidedKeys()
             'alg' => 'RS256',
             'use' => 'sig',
             'e' => 'AQAB',
-            'n' => '6DzRJzrx0KThi0piO3wdNA3e7-xXly5WJo00CqlKDodtyX6wRT76E4cD57yrr_ZWuaA-6idSFPaEQXw9tCqqTIrS4STIYrlvC0CeEA7m0s2PbI2ffaxv2kofxdmOaUI8YW8NIqNyHMl6Acz1lQOOZ5xSreG5JAqtZpy7AwDdpJo7up9937AD9ZV77qlty6xRKVqOGP1-cH97zMvlQo0EUWUhRAzDlTlCXnbeSjVypET3l93WPT9gnIywt1xX0L6rIJd-4fyU6faaToGN9z4_Q6ay2xFSEJnoNBW9wI886W75vLcVLnT95YKJJwZoKEa9yoV_ZPiTBJcFv1HFPf4ibQ==',
+            'n' => '6DzRJzrx0KThi0piO3wdNA3e7-xXly5WJo00CqlKDodtyX6wRT76E4cD57yrr_ZWuaA-6idSFPaEQXw9tCqqTIrS4STIYrlvC0CeEA7m0s2PbI2ffaxv2kofxdmOaUI8YW8NIqNyHMl6Acz1lQOOZ5xSreG5JAqtZpy7AwDdpJo7up9937AD9ZV77qlty6xRKVqOGP1-cH97zMvlQo0EUWUhRAzDlTlCXnbeSjVypET3l93WPT9gnIywt1xX0L6rIJd-4fyU6faaToGN9z4_Q6ay2xFSEJnoNBW9wI886W75vLcVLnT95YKJJwZoKEa9yoV_ZPiTBJcFv1HFPf4ibQ',
             'kid' => 'kid',
         ]]], $result);
     }
diff --git a/tests/Lti1p1KeyTest.php b/tests/Lti1p1KeyTest.php
index 142def67..c1e6f500 100644
--- a/tests/Lti1p1KeyTest.php
+++ b/tests/Lti1p1KeyTest.php
@@ -9,7 +9,7 @@ class Lti1p1KeyTest extends TestCase
     private $key;
     public function setUp(): void
     {
-        $this->key = new Lti1p1Key();
+        $this->key = new Lti1p1Key;
     }
 
     public function testItInstantiates()
diff --git a/tests/LtiAssignmentsGradesServiceTest.php b/tests/LtiAssignmentsGradesServiceTest.php
index 45ebe95c..955d53a5 100644
--- a/tests/LtiAssignmentsGradesServiceTest.php
+++ b/tests/LtiAssignmentsGradesServiceTest.php
@@ -241,7 +241,7 @@ public function testItCreatesALineItem()
 
         $expected = new LtiLineitem($ltiLineitemData);
 
-        $result = $service->createLineItem(new LtiLineItem());
+        $result = $service->createLineItem(new LtiLineItem);
 
         $this->assertEquals($expected, $result);
     }
@@ -427,7 +427,7 @@ public function testItGetsGradesWithEmptyLineItem()
         $this->connector->shouldReceive('getAll')
             ->once()->andReturn($expected);
 
-        $result = $service->getGrades(new LtiLineitem());
+        $result = $service->getGrades(new LtiLineitem);
 
         $this->assertEquals($expected, $result);
     }
diff --git a/tests/LtiGradeSubmissionReviewTest.php b/tests/LtiGradeSubmissionReviewTest.php
index 383eb9c3..e138d59f 100644
--- a/tests/LtiGradeSubmissionReviewTest.php
+++ b/tests/LtiGradeSubmissionReviewTest.php
@@ -10,7 +10,7 @@ class LtiGradeSubmissionReviewTest extends TestCase
 
     public function setUp(): void
     {
-        $this->gradeReview = new LtiGradeSubmissionReview();
+        $this->gradeReview = new LtiGradeSubmissionReview;
     }
 
     public function testItInstantiates()
diff --git a/tests/LtiGradeTest.php b/tests/LtiGradeTest.php
index 4bf787e6..96f9a86c 100644
--- a/tests/LtiGradeTest.php
+++ b/tests/LtiGradeTest.php
@@ -9,7 +9,7 @@ class LtiGradeTest extends TestCase
     private $grade;
     public function setUp(): void
     {
-        $this->grade = new LtiGrade();
+        $this->grade = new LtiGrade;
     }
 
     public function testItInstantiates()
diff --git a/tests/LtiLineitemTest.php b/tests/LtiLineitemTest.php
index eb3be958..e51f0fb1 100644
--- a/tests/LtiLineitemTest.php
+++ b/tests/LtiLineitemTest.php
@@ -10,7 +10,7 @@ class LtiLineitemTest extends TestCase
 
     public function setUp(): void
     {
-        $this->lineItem = new LtiLineitem();
+        $this->lineItem = new LtiLineitem;
     }
 
     public function testItInstantiates()
@@ -198,7 +198,7 @@ public function testItSetsGradesReleased(): void
 
     public function testGradesReleasedConstructedNullable(): void
     {
-        $grade = new LtiLineitem();
+        $grade = new LtiLineitem;
 
         $result = $grade->getGradesReleased();
 
diff --git a/tests/LtiRegistrationTest.php b/tests/LtiRegistrationTest.php
index 6ce8cd66..1b21ed4f 100644
--- a/tests/LtiRegistrationTest.php
+++ b/tests/LtiRegistrationTest.php
@@ -10,7 +10,7 @@ class LtiRegistrationTest extends TestCase
 
     public function setUp(): void
     {
-        $this->registration = new LtiRegistration();
+        $this->registration = new LtiRegistration;
     }
 
     public function testItInstantiates()