diff --git a/src/hotspot/share/gc/parallel/parallel_globals.hpp b/src/hotspot/share/gc/parallel/parallel_globals.hpp
index 5461bf04f32..e86470bb346 100644
--- a/src/hotspot/share/gc/parallel/parallel_globals.hpp
+++ b/src/hotspot/share/gc/parallel/parallel_globals.hpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,12 +62,6 @@
           "limiter (a number between 0-100)")                               \
           range(0, 100)                                                     \
                                                                             \
-  develop(bool, TraceGCTaskManager, false,                                  \
-          "Trace actions of the GC task manager")                           \
-                                                                            \
-  develop(bool, TraceGCTaskQueue, false,                                    \
-          "Trace actions of the GC task queues")                            \
-                                                                            \
   develop(bool, TraceParallelOldGCMarkingPhase, false,                      \
           "Trace marking phase in ParallelOldGC")                           \
                                                                             \