diff --git a/integration-tests/main/src/test/java/io/quarkus/it/main/MethodSourceTest.java b/integration-tests/main/src/test/java/io/quarkus/it/main/MethodSourceTest.java
index f17579c86b365..c9836ec311839 100644
--- a/integration-tests/main/src/test/java/io/quarkus/it/main/MethodSourceTest.java
+++ b/integration-tests/main/src/test/java/io/quarkus/it/main/MethodSourceTest.java
@@ -33,12 +33,10 @@ public void testParameterResolver(UnusedBean.DummyInput dummyInput, Matcher<Stri
     private static Collection<Arguments> provideDummyInput() {
         return List.of(
                 Arguments.of(
-                        // note: List.of(...) or Arrays.asList() fails on Java 16 due to: https://github.com/x-stream/xstream/issues/253
                         new UnusedBean.DummyInput("whatever",
                                 new UnusedBean.NestedDummyInput(new ArrayList<>(List.of(1, 2, 3)))),
                         CoreMatchers.is("whatever/6")),
                 Arguments.of(
-                        // note: Collections.emptyList() fails on Java 16 due to: https://github.com/x-stream/xstream/issues/253
                         new UnusedBean.DummyInput("hi", new UnusedBean.NestedDummyInput(new ArrayList<>())),
                         CoreMatchers.is("hi/0")));
     }
diff --git a/integration-tests/main/src/test/java/io/quarkus/it/main/ParameterResolverTest.java b/integration-tests/main/src/test/java/io/quarkus/it/main/ParameterResolverTest.java
index 949e5be3f72e7..eeb168fac0518 100644
--- a/integration-tests/main/src/test/java/io/quarkus/it/main/ParameterResolverTest.java
+++ b/integration-tests/main/src/test/java/io/quarkus/it/main/ParameterResolverTest.java
@@ -61,7 +61,6 @@ public boolean supportsParameter(ParameterContext parameterContext, ExtensionCon
         @Override
         public Object resolveParameter(ParameterContext parameterContext,
                 ExtensionContext extensionContext) throws ParameterResolutionException {
-            // note: List.of(...) or Arrays.asList() fails on Java 16 due to: https://github.com/x-stream/xstream/issues/253
             return new UnusedBean.DummyInput("whatever", new UnusedBean.NestedDummyInput(new ArrayList<>(List.of(1, 2, 3))));
         }
     }
@@ -78,7 +77,6 @@ public boolean supportsParameter(ParameterContext parameterContext, ExtensionCon
         public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext)
                 throws ParameterResolutionException {
             return (Supplier<UnusedBean.DummyInput>) () -> new UnusedBean.DummyInput("fromSupplier",
-                    // note: Collections.emptyList() fails on Java 16 due to: https://github.com/x-stream/xstream/issues/253
                     new UnusedBean.NestedDummyInput(new ArrayList<>()));
         }
     }
@@ -109,7 +107,6 @@ public boolean supportsParameter(ParameterContext parameterContext, ExtensionCon
         @Override
         public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext)
                 throws ParameterResolutionException {
-            // note: List.of(...) or Arrays.asList() fails on Java 16 due to: https://github.com/x-stream/xstream/issues/253
             return new ArrayList<>(List.of(new NonSerializable("foo"), new NonSerializable("bar")));
         }
     }
diff --git a/integration-tests/test-extension/tests/src/test/java/io/quarkus/it/extension/ParamsTest.java b/integration-tests/test-extension/tests/src/test/java/io/quarkus/it/extension/ParamsTest.java
index f799a7183d5fa..391c0c5e2fa3b 100644
--- a/integration-tests/test-extension/tests/src/test/java/io/quarkus/it/extension/ParamsTest.java
+++ b/integration-tests/test-extension/tests/src/test/java/io/quarkus/it/extension/ParamsTest.java
@@ -19,9 +19,6 @@
 /**
  * Exercise {@link ParameterizedTest @ParameterizedTest}s.
  *
- * <p>
- * This test will run into <a href="https://github.com/x-stream/xstream/issues/253">x-stream/xstream#253</a> on Java 16 and
- * newer if the custom XStream converters are not used
  */
 @QuarkusTest
 public class ParamsTest {