diff --git a/core/modules/system/src/Tests/Routing/ContentNegotiationRoutingTest.php b/core/modules/system/src/Tests/Routing/ContentNegotiationRoutingTest.php
index 5f47cb3..be434a7 100644
--- a/core/modules/system/src/Tests/Routing/ContentNegotiationRoutingTest.php
+++ b/core/modules/system/src/Tests/Routing/ContentNegotiationRoutingTest.php
@@ -97,13 +97,6 @@ function testContentRouting() {
       ['alias.html', 'text/html', 'text/html', FALSE],
 
       // Alias with extension pointing to dynamic extension/linked content-type.
-      // @todo Path aliases with query strings aren't supported at the moment.
-      // ['alias.json', '', 'application/json', FALSE],
-      // ['alias.json', '*/*', 'application/json', FALSE],
-      // ['alias.json', 'application/xml', 'application/json', FALSE],
-      // ['alias.json', 'application/json', 'application/json', FALSE],
-
-      // Alias with extension pointing to dynamic extension/linked content-type.
       // @todo how to test aliasing? Can we just assume aliasing does its thing?
       // this might not even work :(
     ];