diff --git a/src/heap/gc-tracer.cc b/src/heap/gc-tracer.cc
index 0d7ee2e6a0..4c76d5733f 100644
--- a/src/heap/gc-tracer.cc
+++ b/src/heap/gc-tracer.cc
@@ -201,9 +201,7 @@ GCTracer::RecordGCPhasesInfo::RecordGCPhasesInfo(Heap* heap,
   const bool in_background = heap->isolate()->IsIsolateInBackground();
   if (Heap::IsYoungGenerationCollector(collector)) {
     mode = Mode::Scavenger;
-    type_timer = counters->gc_scavenger();
-    type_priority_timer = in_background ? counters->gc_scavenger_background()
-                                        : counters->gc_scavenger_foreground();
+    type_timer = type_priority_timer = nullptr;
   } else {
     DCHECK_EQ(GarbageCollector::MARK_COMPACTOR, collector);
     if (heap->incremental_marking()->IsStopped()) {
@@ -531,8 +529,6 @@ void GCTracer::StopCycle(GarbageCollector collector) {
   if (Heap::IsYoungGenerationCollector(collector)) {
     ReportYoungCycleToRecorder();
 
-    counters->scavenge_reason()->AddSample(static_cast<int>(gc_reason));
-
     // If a young generation GC interrupted an unfinished full GC cycle, restore
     // the event corresponding to the full GC cycle.
     if (young_gc_while_full_gc_) {
@@ -1287,9 +1283,6 @@ void GCTracer::FetchBackgroundMarkCompactCounters() {
 void GCTracer::FetchBackgroundMinorGCCounters() {
   FetchBackgroundCounters(Scope::FIRST_MINOR_GC_BACKGROUND_SCOPE,
                           Scope::LAST_MINOR_GC_BACKGROUND_SCOPE);
-  heap_->isolate()->counters()->background_scavenger()->AddSample(
-      static_cast<int>(
-          current_.scopes[Scope::SCAVENGER_BACKGROUND_SCAVENGE_PARALLEL]));
 }
 
 void GCTracer::FetchBackgroundGeneralCounters() {
@@ -1404,10 +1397,6 @@ void GCTracer::RecordGCSumCounters(double atomic_pause_duration) {
   const double marking_background_duration =
       background_counter_[Scope::MC_BACKGROUND_MARKING].total_duration_ms;
 
-  // UMA.
-  heap_->isolate()->counters()->gc_mark_compactor()->AddSample(
-      static_cast<int>(overall_duration));
-
   // Emit trace event counters.
   TRACE_EVENT_INSTANT2(TRACE_DISABLED_BY_DEFAULT("v8.gc"),
                        "V8.GCMarkCompactorSummary", TRACE_EVENT_SCOPE_THREAD,
diff --git a/src/logging/counters-definitions.h b/src/logging/counters-definitions.h
index 8ec4fea789..e9b71d56df 100644
--- a/src/logging/counters-definitions.h
+++ b/src/logging/counters-definitions.h
@@ -13,7 +13,6 @@ namespace internal {
 #define HISTOGRAM_RANGE_LIST(HR)                                               \
   /* Generic range histograms: HR(name, caption, min, max, num_buckets) */     \
   HR(background_marking, V8.GCBackgroundMarking, 0, 10000, 101)                \
-  HR(background_scavenger, V8.GCBackgroundScavenger, 0, 10000, 101)            \
   HR(background_sweeping, V8.GCBackgroundSweeping, 0, 10000, 101)              \
   HR(code_cache_reject_reason, V8.CodeCacheRejectReason, 1, 6, 6)              \
   HR(errors_thrown_per_context, V8.ErrorsThrownPerContext, 0, 200, 20)         \
@@ -32,13 +31,10 @@ namespace internal {
   HR(gc_finalize_sweep, V8.GCFinalizeMC.Sweep, 0, 10000, 101)                  \
   HR(gc_scavenger_scavenge_main, V8.GCScavenger.ScavengeMain, 0, 10000, 101)   \
   HR(gc_scavenger_scavenge_roots, V8.GCScavenger.ScavengeRoots, 0, 10000, 101) \
-  HR(gc_mark_compactor, V8.GCMarkCompactor, 0, 10000, 101)                     \
   HR(gc_marking_sum, V8.GCMarkingSum, 0, 10000, 101)                           \
   /* Range and bucket matches BlinkGC.MainThreadMarkingThroughput. */          \
   HR(gc_main_thread_marking_throughput, V8.GCMainThreadMarkingThroughput, 0,   \
      100000, 50)                                                               \
-  HR(scavenge_reason, V8.GCScavengeReason, 0,                                  \
-     kGarbageCollectionReasonMaxValue, kGarbageCollectionReasonMaxValue + 1)   \
   HR(young_generation_handling, V8.GCYoungGenerationHandling, 0, 2, 3)         \
   /* Asm/Wasm. */                                                              \
   HR(wasm_functions_per_asm_module, V8.WasmFunctionsPerModule.asm, 1, 1000000, \
@@ -172,9 +168,6 @@ namespace internal {
      V8.GCFinalizeMCReduceMemoryBackground, 10000, MILLISECOND)                \
   HT(gc_finalize_reduce_memory_foreground,                                     \
      V8.GCFinalizeMCReduceMemoryForeground, 10000, MILLISECOND)                \
-  HT(gc_scavenger, V8.GCScavenger, 10000, MILLISECOND)                         \
-  HT(gc_scavenger_background, V8.GCScavengerBackground, 10000, MILLISECOND)    \
-  HT(gc_scavenger_foreground, V8.GCScavengerForeground, 10000, MILLISECOND)    \
   HT(measure_memory_delay_ms, V8.MeasureMemoryDelayMilliseconds, 100000,       \
      MILLISECOND)                                                              \
   HT(gc_time_to_global_safepoint, V8.GC.TimeToGlobalSafepoint, 10000000,       \
diff --git a/test/unittests/heap/gc-tracer-unittest.cc b/test/unittests/heap/gc-tracer-unittest.cc
index d683e76559..d462218936 100644
--- a/test/unittests/heap/gc-tracer-unittest.cc
+++ b/test/unittests/heap/gc-tracer-unittest.cc
@@ -568,29 +568,5 @@ TEST_F(GCTracerTest, RecordScavengerHistograms) {
   GcHistogram::CleanUp();
 }
 
-TEST_F(GCTracerTest, RecordGCSumHistograms) {
-  if (FLAG_stress_incremental_marking) return;
-  isolate()->SetCreateHistogramFunction(&GcHistogram::CreateHistogram);
-  isolate()->SetAddHistogramSampleFunction(&GcHistogram::AddHistogramSample);
-  GCTracer* tracer = i_isolate()->heap()->tracer();
-  tracer->ResetForTesting();
-  StartTracing(tracer, GarbageCollector::MARK_COMPACTOR,
-               StartTracingMode::kIncrementalStart);
-  tracer->current_
-      .incremental_marking_scopes[GCTracer::Scope::MC_INCREMENTAL_START]
-      .duration = 1;
-  tracer->current_
-      .incremental_marking_scopes[GCTracer::Scope::MC_INCREMENTAL_SWEEPING]
-      .duration = 2;
-  tracer->AddIncrementalMarkingStep(3.0, 1024);
-  tracer->current_
-      .incremental_marking_scopes[GCTracer::Scope::MC_INCREMENTAL_FINALIZE]
-      .duration = 4;
-  const double atomic_pause_duration = 5.0;
-  tracer->RecordGCSumCounters(atomic_pause_duration);
-  EXPECT_EQ(15, GcHistogram::Get("V8.GCMarkCompactor")->Total());
-  GcHistogram::CleanUp();
-}
-
 }  // namespace internal
 }  // namespace v8