diff --git a/hotspot/test/runtime/RedefineObject/TestRedefineObject.java b/hotspot/test/runtime/RedefineObject/TestRedefineObject.java
index 7479dff7839..1b50e0efbb8 100644
--- a/hotspot/test/runtime/RedefineObject/TestRedefineObject.java
+++ b/hotspot/test/runtime/RedefineObject/TestRedefineObject.java
@@ -42,7 +42,7 @@ import jdk.test.lib.process.OutputAnalyzer;
  * @build Agent
  * @run main ClassFileInstaller Agent
  * @run main TestRedefineObject
- * @run main/othervm -javaagent:agent.jar -XX:TraceRedefineClasses=5 Agent
+ * @run main/othervm -javaagent:agent.jar -Xlog:redefine+class+load=debug,redefine+class+timer=info Agent
  */
 public class TestRedefineObject {
     public static void main(String[] args) throws Exception  {
diff --git a/hotspot/test/runtime/RedefineTests/RedefineRunningMethods.java b/hotspot/test/runtime/RedefineTests/RedefineRunningMethods.java
index 25aaa16a90d..d1c5545492e 100644
--- a/hotspot/test/runtime/RedefineTests/RedefineRunningMethods.java
+++ b/hotspot/test/runtime/RedefineTests/RedefineRunningMethods.java
@@ -31,7 +31,7 @@
  *          java.instrument
  *          jdk.jartool/sun.tools.jar
  * @run main RedefineClassHelper
- * @run main/othervm -javaagent:redefineagent.jar -XX:TraceRedefineClasses=0x600 RedefineRunningMethods
+ * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+iklass+add=trace,redefine+class+iklass+purge=trace RedefineRunningMethods
  */
 public class RedefineRunningMethods {
 
diff --git a/hotspot/test/runtime/RedefineTests/RedefineRunningMethodsWithResolutionErrors.java b/hotspot/test/runtime/RedefineTests/RedefineRunningMethodsWithResolutionErrors.java
index 4d068a25711..3560e9472c0 100644
--- a/hotspot/test/runtime/RedefineTests/RedefineRunningMethodsWithResolutionErrors.java
+++ b/hotspot/test/runtime/RedefineTests/RedefineRunningMethodsWithResolutionErrors.java
@@ -31,7 +31,7 @@
  *          java.instrument
  *          jdk.jartool/sun.tools.jar
  * @run main RedefineClassHelper
- * @run main/othervm -javaagent:redefineagent.jar -XX:TraceRedefineClasses=0x600 RedefineRunningMethodsWithResolutionErrors
+ * @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+iklass+add=trace,redefine+class+iklass+purge=trace RedefineRunningMethodsWithResolutionErrors
  */
 
 import jdk.internal.org.objectweb.asm.ClassWriter;