diff --git a/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java b/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
index aa74c631389..6f7337d3777 100644
--- a/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
+++ b/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,6 +40,8 @@ import jdk.test.lib.jfr.Events;
  * @test
  * @key jfr
  * @requires vm.hasJFR
+ * @requires vm.flagless
+ * @comment Marked as flagless until JDK-8322597 is fixed
  * @library /test/lib /test/jdk
  * @modules jdk.jfr/jdk.jfr.internal.test
  * @run main/othervm -XX:TLABSize=2k -Xmx64m jdk.jfr.event.oldobject.TestClassLoaderLeak
diff --git a/test/jdk/jdk/jfr/event/oldobject/TestObjectDescription.java b/test/jdk/jdk/jfr/event/oldobject/TestObjectDescription.java
index d62b20bc995..447d2bb9cec 100644
--- a/test/jdk/jdk/jfr/event/oldobject/TestObjectDescription.java
+++ b/test/jdk/jdk/jfr/event/oldobject/TestObjectDescription.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,7 +41,9 @@ import jdk.test.lib.jfr.Events;
  * @test
  * @key jfr
  * @requires vm.hasJFR
- * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
+ * @requires vm.gc != "Shenandoah"
+ * @requires vm.flagless
+ * @comment Marked as flagless until JDK-8344015 is fixed
  * @library /test/lib /test/jdk
  * @modules jdk.jfr/jdk.jfr.internal.test
  * @run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestObjectDescription