--- old/src/hotspot/share/gc/parallel/parallel_globals.hpp	2020-02-11 11:35:35.415545117 +0100
+++ new/src/hotspot/share/gc/parallel/parallel_globals.hpp	2020-02-11 11:35:35.171543907 +0100
@@ -51,22 +51,16 @@
           "Use maximum compaction in the Parallel Old garbage collector "   \
           "for a system GC")                                                \
                                                                             \
-  product(size_t, ParallelOldDeadWoodLimiterMean, 50,                        \
+  product(size_t, ParallelOldDeadWoodLimiterMean, 50,                       \
           "The mean used by the parallel compact dead wood "                \
           "limiter (a number between 0-100)")                               \
           range(0, 100)                                                     \
                                                                             \
-  product(size_t, ParallelOldDeadWoodLimiterStdDev, 80,                      \
+  product(size_t, ParallelOldDeadWoodLimiterStdDev, 80,                     \
           "The standard deviation used by the parallel compact dead wood "  \
           "limiter (a number between 0-100)")                               \
           range(0, 100)                                                     \
                                                                             \
-  develop(bool, TraceParallelOldGCMarkingPhase, false,                      \
-          "Trace marking phase in ParallelOldGC")                           \
-                                                                            \
-  develop(bool, TraceParallelOldGCDensePrefix, false,                       \
-          "Trace dense prefix computation for ParallelOldGC")               \
-                                                                            \
   develop(uintx, GCWorkerDelayMillis, 0,                                    \
           "Delay in scheduling GC workers (in milliseconds)")               \
                                                                             \