1 files changed, 0 insertions, 12 deletions
diff --git a/runtime/base/quasi_atomic.h b/runtime/base/quasi_atomic.h
index 067d01db01c..0012f6482b8 100644
--- a/runtime/base/quasi_atomic.h
+++ b/runtime/base/quasi_atomic.h
@@ -152,14 +152,6 @@ class QuasiAtomic {
     return NeedSwapMutexes(isa);
   }
 
-  static void ThreadFenceAcquire() {
-    std::atomic_thread_fence(std::memory_order_acquire);
-  }
-
-  static void ThreadFenceRelease() {
-    std::atomic_thread_fence(std::memory_order_release);
-  }
-
   static void ThreadFenceForConstructor() {
     #if defined(__aarch64__)
       __asm__ __volatile__("dmb ishst" : : : "memory");
@@ -168,10 +160,6 @@ class QuasiAtomic {
     #endif
   }
 
-  static void ThreadFenceSequentiallyConsistent() {
-    std::atomic_thread_fence(std::memory_order_seq_cst);
-  }
-
  private:
   static Mutex* GetSwapMutex(const volatile int64_t* addr);
   static int64_t SwapMutexRead64(volatile const int64_t* addr);