diff --git a/src/Entities/DeviceCodeEntityInterface.php b/src/Entities/DeviceCodeEntityInterface.php
index 81834bca9..6969eca01 100644
--- a/src/Entities/DeviceCodeEntityInterface.php
+++ b/src/Entities/DeviceCodeEntityInterface.php
@@ -34,10 +34,6 @@ public function getInterval(): int;
 
     public function setInterval(int $interval): void;
 
-    public function getIntervalInAuthResponse(): bool;
-
-    public function setIntervalInAuthResponse(bool $intervalInAuthResponse): void;
-
     public function getUserApproved(): bool;
 
     public function setUserApproved(bool $userApproved): void;
diff --git a/src/Entities/Traits/DeviceCodeTrait.php b/src/Entities/Traits/DeviceCodeTrait.php
index 942c6a3ec..22af197bb 100644
--- a/src/Entities/Traits/DeviceCodeTrait.php
+++ b/src/Entities/Traits/DeviceCodeTrait.php
@@ -19,7 +19,6 @@
 trait DeviceCodeTrait
 {
     private bool $userApproved = false;
-    private bool $intervalInAuthResponse = false;
     private bool $includeVerificationUriComplete = false;
     private int $interval = 5;
     private string $userCode;
@@ -82,16 +81,6 @@ public function setInterval(int $interval): void
         $this->interval = $interval;
     }
 
-    public function getIntervalInAuthResponse(): bool
-    {
-        return $this->intervalInAuthResponse;
-    }
-
-    public function setIntervalInAuthResponse(bool $intervalInAuthResponse): void
-    {
-        $this->intervalInAuthResponse = $intervalInAuthResponse;
-    }
-
     public function getUserApproved(): bool
     {
         return $this->userApproved;
diff --git a/src/Grant/DeviceCodeGrant.php b/src/Grant/DeviceCodeGrant.php
index bb23c276a..d32afd421 100644
--- a/src/Grant/DeviceCodeGrant.php
+++ b/src/Grant/DeviceCodeGrant.php
@@ -108,6 +108,7 @@ public function respondToDeviceAuthorizationRequest(ServerRequestInterface $requ
             'expire_time' => $deviceCode->getExpiryDateTime()->getTimestamp(),
             'client_id' => $deviceCode->getClient()->getIdentifier(),
             'scopes' => $deviceCode->getScopes(),
+            'interval' => $deviceCode->getInterval(),
         ];
 
         $response = new DeviceCodeResponse();
@@ -355,7 +356,7 @@ protected function generateUniqueUserCode(int $length = 8): string
         // @codeCoverageIgnoreEnd
     }
 
-    // TODO: Check interface 
+    // TODO: Check interface
     public function setIntervalVisibility(bool $intervalVisibility): void
     {
         $this->intervalVisibility = $intervalVisibility;
diff --git a/src/ResponseTypes/DeviceCodeResponse.php b/src/ResponseTypes/DeviceCodeResponse.php
index dfb1c932e..1b0268b8d 100644
--- a/src/ResponseTypes/DeviceCodeResponse.php
+++ b/src/ResponseTypes/DeviceCodeResponse.php
@@ -26,6 +26,7 @@ class DeviceCodeResponse extends AbstractResponseType
     protected DeviceCodeEntityInterface $deviceCode;
     protected string $payload;
     private bool $includeVerificationUriComplete = false;
+    private const DEFAULT_INTERVAL = 5;
 
     /**
      * {@inheritdoc}
@@ -40,12 +41,12 @@ public function generateHttpResponse(ResponseInterface $response): ResponseInter
             'verification_uri' => $this->deviceCode->getVerificationUri(),
             'expires_in'   => $expireDateTime - time(),
         ];
-        
+
         if ($this->includeVerificationUriComplete === true) {
             $responseParams['verification_uri_complete'] = $this->deviceCode->getVerificationUriComplete();
         }
 
-        if ($this->deviceCode->getIntervalInAuthResponse() === true) {
+        if ($this->deviceCode->getInterval() !== self::DEFAULT_INTERVAL) {
             $responseParams['interval'] = $this->deviceCode->getInterval();
         }
 
diff --git a/tests/Grant/DeviceCodeGrantTest.php b/tests/Grant/DeviceCodeGrantTest.php
index 730336b9b..66d7d3024 100644
--- a/tests/Grant/DeviceCodeGrantTest.php
+++ b/tests/Grant/DeviceCodeGrantTest.php
@@ -36,6 +36,7 @@
 class DeviceCodeGrantTest extends TestCase
 {
     private const DEFAULT_SCOPE = 'basic';
+    private const INTERVAL_RATE = 10;
 
     protected CryptTraitStub $cryptStub;
 
@@ -335,7 +336,6 @@ public function testDeviceAuthorizationResponse(): void
         $this::assertObjectHasProperty('user_code', $responseObject);
         $this::assertObjectHasProperty('verification_uri', $responseObject);
         $this::assertObjectHasProperty('expires_in', $responseObject);
-        // TODO: $this->assertObjectHasAttribute('interval', $responseObject);
     }
 
     public function testRespondToAccessTokenRequest(): void
@@ -674,7 +674,7 @@ public function testIssueExpiredTokenError(): void
         $grant->respondToAccessTokenRequest($serverRequest, $responseType, new DateInterval('PT5M'));
     }
 
-    public function testIntervalVisibility(): void
+    public function testSettingDeviceCodeIntervalRate(): void
     {
         $client = new ClientEntity();
         $client->setIdentifier('foo');
@@ -684,8 +684,6 @@ public function testIntervalVisibility(): void
 
         $deviceCode = new DeviceCodeEntity();
 
-        $deviceCode->setIntervalInAuthResponse(true);
-
         $deviceCodeRepository = $this->getMockBuilder(DeviceCodeRepositoryInterface::class)->getMock();
         $deviceCodeRepository->method('getNewDeviceCode')->willReturn($deviceCode);
 
@@ -698,13 +696,15 @@ public function testIntervalVisibility(): void
             $deviceCodeRepository,
             $this->getMockBuilder(RefreshTokenRepositoryInterface::class)->getMock(),
             new DateInterval('PT10M'),
-            "http://foo/bar"
+            "http://foo/bar",
+            self::INTERVAL_RATE
         );
 
         $grant->setClientRepository($clientRepositoryMock);
         $grant->setDefaultScope(self::DEFAULT_SCOPE);
         $grant->setEncryptionKey($this->cryptStub->getKey());
         $grant->setScopeRepository($scopeRepositoryMock);
+        $grant->setIntervalVisibility(true);
 
         $request = (new ServerRequest())->withParsedBody([
             'client_id' => 'foo',
@@ -718,9 +718,8 @@ public function testIntervalVisibility(): void
         $deviceCode = json_decode((string) $deviceCodeResponse->getBody());
 
         $this::assertObjectHasProperty('interval', $deviceCode);
-        $this::assertEquals(5, $deviceCode->interval);
+        $this::assertEquals(self::INTERVAL_RATE, $deviceCode->interval);
     }
-
     public function testIssueAccessDeniedError(): void
     {
         $client = new ClientEntity();