diff --git a/core/Controller/LoginController.php b/core/Controller/LoginController.php
index ecb4e47920..a9fb22f21b 100644
--- a/core/Controller/LoginController.php
+++ b/core/Controller/LoginController.php
@@ -131,7 +131,7 @@ class LoginController extends Controller {
 		$this->userSession->logout();
 
 		$response = new RedirectResponse($this->urlGenerator->linkToRouteAbsolute('core.login.showLoginForm'));
-		$response->addHeader('Clear-Site-Data', '"cache", "cookies", "storage", "executionContexts"');
+		$response->addHeader('Clear-Site-Data', '"cache", "storage", "executionContexts"');
 		return $response;
 	}
 
diff --git a/tests/Core/Controller/LoginControllerTest.php b/tests/Core/Controller/LoginControllerTest.php
index f3e6c85480..f2e8d112b6 100644
--- a/tests/Core/Controller/LoginControllerTest.php
+++ b/tests/Core/Controller/LoginControllerTest.php
@@ -117,7 +117,7 @@ class LoginControllerTest extends TestCase {
 			->willReturn('/login');
 
 		$expected = new RedirectResponse('/login');
-		$expected->addHeader('Clear-Site-Data', '"cache", "cookies", "storage", "executionContexts"');
+		$expected->addHeader('Clear-Site-Data', '"cache", "storage", "executionContexts"');
 		$this->assertEquals($expected, $this->loginController->logout());
 	}
 
@@ -147,7 +147,7 @@ class LoginControllerTest extends TestCase {
 			->willReturn('/login');
 
 		$expected = new RedirectResponse('/login');
-		$expected->addHeader('Clear-Site-Data', '"cache", "cookies", "storage", "executionContexts"');
+		$expected->addHeader('Clear-Site-Data', '"cache", "storage", "executionContexts"');
 		$this->assertEquals($expected, $this->loginController->logout());
 	}