diff -r 86ebb26bcdeb -r da0fffdcc453 src/share/vm/runtime/arguments.cpp
--- a/src/share/vm/runtime/arguments.cpp	Wed Apr 27 14:40:41 2011 -0700
+++ b/src/share/vm/runtime/arguments.cpp	Thu Apr 28 15:29:18 2011 -0700
@@ -2376,7 +2376,6 @@
       _gc_log_filename = strdup(tail);
       FLAG_SET_CMDLINE(bool, PrintGC, true);
       FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true);
-      FLAG_SET_CMDLINE(bool, TraceClassUnloading, true);
 
     // JNI hooks
     } else if (match_option(option, "-Xcheck", &tail)) {