--- a/test/jdk/jdk/jfr/event/oldobject/TestLastKnownHeapUsage.java	Tue Oct 02 14:32:33 2018 -0700
+++ b/test/jdk/jdk/jfr/event/oldobject/TestLastKnownHeapUsage.java	Tue Oct 02 15:01:25 2018 -0700
@@ -44,7 +44,7 @@
  * @requires vm.gc == "null"
  * @library /test/lib /test/jdk
  * @modules jdk.jfr/jdk.jfr.internal.test
- * @run main/othervm -XX:TLABSize=2k -XX:-FastTLABRefill jdk.jfr.event.oldobject.TestLastKnownHeapUsage
+ * @run main/othervm -XX:TLABSize=2k jdk.jfr.event.oldobject.TestLastKnownHeapUsage
  */
 public class TestLastKnownHeapUsage {