--- old/test/hotspot/jtreg/runtime/HiddenClasses/StressHiddenClasses.java	2020-03-17 11:31:41.000000000 -0700
+++ new/test/hotspot/jtreg/runtime/HiddenClasses/StressHiddenClasses.java	2020-03-17 11:31:41.000000000 -0700
@@ -56,7 +56,7 @@
                 public void run() {
                     try {
                         Lookup lookup = MethodHandles.lookup();
-                        Class<?> c = lookup.defineHiddenClass(klassbuf, true, NESTMATE, WEAK).lookupClass();
+                        Class<?> c = lookup.defineHiddenClass(klassbuf, true, NESTMATE).lookupClass();
                     } catch (Throwable e) {
                         throw new RuntimeException("Unexpected exception: " + e.toString());
                     }