1 files changed, 0 insertions, 8 deletions
diff --git a/runtime/thread.h b/runtime/thread.h
index 166ed217d0..2b451bcaee 100644
--- a/runtime/thread.h
+++ b/runtime/thread.h
@@ -1704,14 +1704,6 @@ class ScopedTransitioningToRunnable : public ValueObject {
   Thread* const self_;
 };
 
-class ThreadLifecycleCallback {
- public:
-  virtual ~ThreadLifecycleCallback() {}
-
-  virtual void ThreadStart(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) = 0;
-  virtual void ThreadDeath(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) = 0;
-};
-
 std::ostream& operator<<(std::ostream& os, const Thread& thread);
 std::ostream& operator<<(std::ostream& os, const StackedShadowFrameType& thread);