diff --git a/vm/aging_collector.cpp b/vm/aging_collector.cpp
index 7cb3333238..d5b768c827 100644
--- a/vm/aging_collector.cpp
+++ b/vm/aging_collector.cpp
@@ -32,13 +32,13 @@ void factor_vm::collect_aging() {
     gc_event* event = current_gc->event;
 
     if (event)
-      event->started_card_scan();
+      event->reset_timer();
     collector.trace_cards(data->tenured, card_points_to_aging, 0xff);
     if (event)
       event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
 
     if (event)
-      event->started_code_scan();
+      event->reset_timer();
     collector.trace_code_heap_roots(&code->points_to_aging);
     if (event)
       event->ended_code_scan(code->points_to_aging.size());
diff --git a/vm/compaction.cpp b/vm/compaction.cpp
index 25ddfe6f96..7e3c936518 100644
--- a/vm/compaction.cpp
+++ b/vm/compaction.cpp
@@ -83,7 +83,7 @@ void factor_vm::collect_compact_impl() {
 #endif
 
   if (event)
-    event->started_compaction();
+    event->reset_timer();
 
   tenured_space* tenured = data->tenured;
   mark_bits* data_forwarding_map = &tenured->state;
diff --git a/vm/full_collector.cpp b/vm/full_collector.cpp
index ce693a8170..c815990b7c 100644
--- a/vm/full_collector.cpp
+++ b/vm/full_collector.cpp
@@ -67,7 +67,7 @@ void factor_vm::collect_sweep_impl() {
   gc_event* event = current_gc->event;
 
   if (event)
-    event->started_data_sweep();
+    event->reset_timer();
   data->tenured->sweep();
   if (event)
     event->ended_data_sweep();
@@ -75,7 +75,7 @@ void factor_vm::collect_sweep_impl() {
   update_code_roots_for_sweep();
 
   if (event)
-    event->started_code_sweep();
+    event->reset_timer();
   code->sweep();
   if (event)
     event->ended_code_sweep();
diff --git a/vm/gc.cpp b/vm/gc.cpp
index f3c5ff43fc..cff2aa2c14 100644
--- a/vm/gc.cpp
+++ b/vm/gc.cpp
@@ -18,7 +18,7 @@ gc_event::gc_event(gc_op op, factor_vm* parent)
   start_time = nano_count();
 }
 
-void gc_event::started_card_scan() { temp_time = nano_count(); }
+void gc_event::reset_timer() { temp_time = nano_count(); }
 
 void gc_event::ended_card_scan(cell cards_scanned_, cell decks_scanned_) {
   cards_scanned += cards_scanned_;
@@ -26,27 +26,19 @@ void gc_event::ended_card_scan(cell cards_scanned_, cell decks_scanned_) {
   card_scan_time = (cell)(nano_count() - temp_time);
 }
 
-void gc_event::started_code_scan() { temp_time = nano_count(); }
-
 void gc_event::ended_code_scan(cell code_blocks_scanned_) {
   code_blocks_scanned += code_blocks_scanned_;
   code_scan_time = (cell)(nano_count() - temp_time);
 }
 
-void gc_event::started_data_sweep() { temp_time = nano_count(); }
-
 void gc_event::ended_data_sweep() {
   data_sweep_time = (cell)(nano_count() - temp_time);
 }
 
-void gc_event::started_code_sweep() { temp_time = nano_count(); }
-
 void gc_event::ended_code_sweep() {
   code_sweep_time = (cell)(nano_count() - temp_time);
 }
 
-void gc_event::started_compaction() { temp_time = nano_count(); }
-
 void gc_event::ended_compaction() {
   compaction_time = (cell)(nano_count() - temp_time);
 }
diff --git a/vm/gc.hpp b/vm/gc.hpp
index 91e8c186b7..0592d03574 100644
--- a/vm/gc.hpp
+++ b/vm/gc.hpp
@@ -28,15 +28,11 @@ struct gc_event {
   uint64_t temp_time;
 
   gc_event(gc_op op, factor_vm* parent);
-  void started_card_scan();
+  void reset_timer();
   void ended_card_scan(cell cards_scanned_, cell decks_scanned_);
-  void started_code_scan();
   void ended_code_scan(cell code_blocks_scanned_);
-  void started_data_sweep();
   void ended_data_sweep();
-  void started_code_sweep();
   void ended_code_sweep();
-  void started_compaction();
   void ended_compaction();
   void ended_gc(factor_vm* parent);
 };
diff --git a/vm/nursery_collector.cpp b/vm/nursery_collector.cpp
index fedaf749fe..9aadb3bb79 100644
--- a/vm/nursery_collector.cpp
+++ b/vm/nursery_collector.cpp
@@ -28,7 +28,7 @@ void factor_vm::collect_nursery() {
   gc_event* event = current_gc->event;
 
   if (event)
-    event->started_card_scan();
+    event->reset_timer();
   collector.trace_cards(data->tenured, card_points_to_nursery,
                         card_points_to_nursery);
   collector.trace_cards(data->aging, card_points_to_nursery, 0xff);
@@ -37,7 +37,7 @@ void factor_vm::collect_nursery() {
     event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
 
   if (event)
-    event->started_code_scan();
+    event->reset_timer();
   collector.trace_code_heap_roots(&code->points_to_nursery);
   if (event)
     event->ended_code_scan(code->points_to_nursery.size());
diff --git a/vm/to_tenured_collector.cpp b/vm/to_tenured_collector.cpp
index 5aaed5992a..b18f9417b8 100644
--- a/vm/to_tenured_collector.cpp
+++ b/vm/to_tenured_collector.cpp
@@ -14,13 +14,13 @@ void factor_vm::collect_to_tenured() {
   gc_event* event = current_gc->event;
 
   if (event)
-    event->started_card_scan();
+    event->reset_timer();
   collector.trace_cards(data->tenured, card_points_to_aging, 0xff);
   if (event)
     event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
 
   if (event)
-    event->started_code_scan();
+    event->reset_timer();
   collector.trace_code_heap_roots(&code->points_to_aging);
   if (event)
     event->ended_code_scan(code->points_to_aging.size());