diff --git a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
index 91d935708db3a3dfaf654444a7063879e18b0bd5..9b1c7dee8e7b094a5b4e918474f4b29784cd97f7 100644
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
@@ -6634,7 +6634,6 @@ void CMSCollector::reset(bool asynch) {
 }
 
 void CMSCollector::do_CMS_operation(CMS_op_type op, GCCause::Cause gc_cause) {
-  gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
   TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
   GCTraceTime t(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer_cm->gc_id());
   TraceCollectorStats tcs(counters());
diff --git a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
index b7490f6b15f7615dba3ad7ce4b2fc99cab340fea..ab0b3f2718654487f2b3d739ece20d5b4ca0aadb 100644
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
@@ -1297,7 +1297,6 @@ bool G1CollectedHeap::do_collection(bool explicit_gc,
 
     // Timing
     assert(gc_cause() != GCCause::_java_lang_system_gc || explicit_gc, "invariant");
-    gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps);
     TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
 
     {
diff --git a/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp b/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp
index 80a0f72810ee443bf2550d5b19a240774c6f1cfd..11e78d0737023e1c8e92c2d05c87c05b2e16d7d3 100644
--- a/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp
+++ b/src/share/vm/gc_implementation/g1/vm_operations_g1.cpp
@@ -230,7 +230,6 @@ void VM_CGC_Operation::release_and_notify_pending_list_lock() {
 }
 
 void VM_CGC_Operation::doit() {
-  gclog_or_tty->date_stamp(G1Log::fine() && PrintGCDateStamps);
   TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
   GCTraceTime t(_printGCMessage, G1Log::fine(), true, G1CollectedHeap::heap()->gc_timer_cm(), G1CollectedHeap::heap()->concurrent_mark()->concurrent_gc_id());
   SharedHeap* sh = SharedHeap::heap();
diff --git a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
index 77ab2cb172a3e25c7d305a0111ad11a381542bb7..114d39dfe2c68233ac505d131e93cc04b96337c0 100644
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
@@ -167,7 +167,6 @@ bool PSMarkSweep::invoke_no_policy(bool clear_all_softrefs) {
   {
     HandleMark hm;
 
-    gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
     GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer->gc_id());
     TraceCollectorStats tcs(counters());
diff --git a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
index e97a041b92cbc93cf995ff5fdffa2d27dc3bae67..13aa3a46532d6b8e5bd72171f72eaffcfab13be3 100644
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
@@ -2054,7 +2054,6 @@ bool PSParallelCompact::invoke_no_policy(bool maximum_heap_compaction) {
     gc_task_manager()->task_idle_workers();
     heap->set_par_threads(gc_task_manager()->active_workers());
 
-    gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
     GCTraceTime t1(GCCauseString("Full GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer.gc_id());
     TraceCollectorStats tcs(counters());
diff --git a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
index 7eea946a56bd9e3e81c81f827726696d6aba807b..6d728ccf597e5f4c7c52b4d39b2c0385b3260239 100644
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
+++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp
@@ -329,7 +329,6 @@ bool PSScavenge::invoke_no_policy() {
     ResourceMark rm;
     HandleMark hm;
 
-    gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
     GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer.gc_id());
     TraceCollectorStats tcs(counters());
diff --git a/src/share/vm/gc_implementation/shared/gcTraceTime.cpp b/src/share/vm/gc_implementation/shared/gcTraceTime.cpp
index 83890611ec5cb0cc1dff1a4ebb0411bc88b0c27d..fff7eea8ca9c4da75f9cf786ee02b27049ceac28 100644
--- a/src/share/vm/gc_implementation/shared/gcTraceTime.cpp
+++ b/src/share/vm/gc_implementation/shared/gcTraceTime.cpp
@@ -49,10 +49,8 @@ GCTraceTime::GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* t
   }
 
   if (_doit) {
-    if (PrintGCTimeStamps) {
-      gclog_or_tty->stamp();
-      gclog_or_tty->print(": ");
-    }
+    gclog_or_tty->date_stamp(PrintGCDateStamps);
+    gclog_or_tty->stamp(PrintGCTimeStamps);
     if (PrintGCID) {
       gclog_or_tty->print("#%u: ", gc_id.id());
     }
diff --git a/src/share/vm/memory/genCollectedHeap.cpp b/src/share/vm/memory/genCollectedHeap.cpp
index da49aa442b22433ca8e1398b02b38ccdeaa91800..913f22f7138655b0292f388883cf36b09281516f 100644
--- a/src/share/vm/memory/genCollectedHeap.cpp
+++ b/src/share/vm/memory/genCollectedHeap.cpp
@@ -384,7 +384,6 @@ void GenCollectedHeap::do_collection(bool  full,
 
     bool complete = full && (max_level == (n_gens()-1));
     const char* gc_cause_prefix = complete ? "Full GC" : "GC";
-    gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
     TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
     // The PrintGCDetails logging starts before we have incremented the GC id. We will do that later
     // so we can assume here that the next GC id is what we want.