diff --git a/runtime/vm/profiler.cc b/runtime/vm/profiler.cc
index 826285eefd6..ba9684da803 100644
--- a/runtime/vm/profiler.cc
+++ b/runtime/vm/profiler.cc
@@ -909,12 +909,7 @@ Sample* SampleBlockBuffer::ReserveSampleImpl(Isolate* isolate,
   if (block != nullptr) {
     block->MarkCompleted();
     if (!Isolate::IsSystemIsolate(isolate)) {
-      Thread* mutator = isolate->IGNORE_RACE(mutator_thread)();
-      // The mutator thread might be NULL if we sample in the middle of
-      // Thread::Enter/ExitIsolate.
-      if ((mutator != nullptr) && isolate->TrySetHasCompletedBlocks()) {
-        mutator->ScheduleInterrupts(Thread::kVMInterrupt);
-      }
+      isolate->TrySetHasCompletedBlocks();
     }
   }
   return next->ReserveSample();
diff --git a/runtime/vm/thread.cc b/runtime/vm/thread.cc
index 50611597b40..dde8b3f9a16 100644
--- a/runtime/vm/thread.cc
+++ b/runtime/vm/thread.cc
@@ -857,13 +857,6 @@ ErrorPtr Thread::HandleInterrupts(uword interrupt_bits) {
     }
     heap()->CheckFinalizeMarking(this);
 
-#if !defined(PRODUCT)
-    // TODO(dartbug.com/60508): Allow profiling of isolate-group-shared code.
-    if (isolate() != nullptr && isolate()->TakeHasCompletedBlocks()) {
-      Profiler::ProcessCompletedBlocks(isolate());
-    }
-#endif  // !defined(PRODUCT)
-
 #if !defined(PRODUCT) || defined(FORCE_INCLUDE_SAMPLING_HEAP_PROFILER)
     HeapProfileSampler& sampler = heap_sampler();
     if (sampler.ShouldSetThreadSamplingInterval()) {