diff --git a/internal/platform/ble_v2.cc b/internal/platform/ble_v2.cc
index fbe765d4..ec409ac2 100644
--- a/internal/platform/ble_v2.cc
+++ b/internal/platform/ble_v2.cc
@@ -130,42 +130,6 @@ bool BleV2Medium::StopScanning() {
   return impl_->StopScanning();
 }
 
-std::unique_ptr<api::ble_v2::BleMedium::ScanningSession>
-BleV2Medium::StartScanningTmp(
-    const Uuid& service_uuid, api::ble_v2::TxPowerLevel tx_power_level,
-    api::ble_v2::BleMedium::ScanningCallback callback) {
-  MutexLock lock(&mutex_);
-
-  if (impl_->StartScanning(
-          service_uuid, tx_power_level,
-          api::ble_v2::BleMedium::ScanCallback{
-              .advertisement_found_cb =
-                  [this,
-                   found_callback = std::move(callback.advertisement_found_cb)](
-                      api::ble_v2::BlePeripheral& peripheral,
-                      BleAdvertisementData advertisement_data) mutable {
-                    MutexLock lock(&mutex_);
-                    if (!peripherals_.contains(&peripheral)) {
-                      NEARBY_LOGS(INFO)
-                          << "Peripheral impl=" << &peripheral
-                          << " does not exist; add it to the map.";
-                      peripherals_.insert(&peripheral);
-                    }
-                    found_callback(peripheral, advertisement_data);
-                  },
-          })) {
-    callback.start_scanning_result(absl::OkStatus());
-  } else {
-    callback.start_scanning_result(absl::InternalError("Failed to start scan"));
-    return nullptr;
-  }
-  return std::make_unique<api::ble_v2::BleMedium::ScanningSession>(
-      api::ble_v2::BleMedium::ScanningSession{.stop_scanning = [this]() {
-        return impl_->StopScanning()
-                   ? absl::OkStatus()
-                   : absl::InternalError("Failed to stop advertising");
-      }});
-}
 std::unique_ptr<api::ble_v2::BleMedium::ScanningSession>
 BleV2Medium::StartScanning(const Uuid& service_uuid,
                            api::ble_v2::TxPowerLevel tx_power_level,
diff --git a/internal/platform/ble_v2.h b/internal/platform/ble_v2.h
index 80ec417d..9bbc046d 100644
--- a/internal/platform/ble_v2.h
+++ b/internal/platform/ble_v2.h
@@ -398,8 +398,6 @@ class BleV2Medium final {
 
   // Returns true once the BLE scan has been initiated.
   // This interface will be deprecated soon.
-  // TODO(b/271305977) remove this function.
-  // Use 'unique_ptr<ScanningSession> StartScanningTmp' instead.
   bool StartScanning(const Uuid& service_uuid,
                      api::ble_v2::TxPowerLevel tx_power_level,
                      ScanCallback callback);
@@ -411,13 +409,6 @@ class BleV2Medium final {
       const Uuid& service_uuid, api::ble_v2::TxPowerLevel tx_power_level,
       api::ble_v2::BleMedium::ScanningCallback callback);
 
-  // Temp interface for windows client to use before windows has native impl
-  // for 'unique_ptr<AdvertisingSession> StartScanning'.
-  // TODO(b/271305977) remove this function.
-  std::unique_ptr<api::ble_v2::BleMedium::ScanningSession> StartScanningTmp(
-      const Uuid& service_uuid, api::ble_v2::TxPowerLevel tx_power_level,
-      api::ble_v2::BleMedium::ScanningCallback callback);
-
   // Starts Gatt Server for waiting to client connection.
   std::unique_ptr<GattServer> StartGattServer(
       ServerGattConnectionCallback callback);
diff --git a/internal/platform/ble_v2_test.cc b/internal/platform/ble_v2_test.cc
index 2f7989dc..040eba76 100644
--- a/internal/platform/ble_v2_test.cc
+++ b/internal/platform/ble_v2_test.cc
@@ -434,56 +434,6 @@ TEST_F(BleV2MediumTest, CanStartAsyncScanningAndAdvertising) {
   env_.Stop();
 }
 
-TEST_F(BleV2MediumTest, CanStartAsyncScanningAndAdvertisingWithTmpImpl) {
-  env_.Start();
-  BluetoothAdapter adapter_a;
-  BluetoothAdapter adapter_b;
-  BleV2Medium ble_a(adapter_a);
-  BleV2Medium ble_b(adapter_b);
-  Uuid service_uuid(1234, 5678);
-  ByteArray advertisement_bytes{std::string(kAdvertisementString)};
-  ByteArray advertisement_header_bytes{std::string(kAdvertisementHeaderString)};
-  CountDownLatch found_latch(1);
-
-  std::unique_ptr<api::ble_v2::BleMedium::ScanningSession> scanning_session =
-      ble_a.StartScanningTmp(
-          service_uuid, kTxPowerLevel,
-          api::ble_v2::BleMedium::ScanningCallback{
-              .advertisement_found_cb =
-                  [&](api::ble_v2::BlePeripheral& peripheral,
-                      BleAdvertisementData advertisement_data) -> void {
-                found_latch.CountDown();
-              },
-          });
-
-  // Succeed to start regular advertisement.
-  BleAdvertisementData advertising_data;
-  advertising_data.is_extended_advertisement = false;
-  advertising_data.service_data = {{service_uuid, advertisement_header_bytes}};
-  std::unique_ptr<api::ble_v2::BleMedium::AdvertisingSession> adv_session =
-      ble_b.StartAdvertisingTmp(
-          advertising_data,
-          {.tx_power_level = kTxPowerLevel, .is_connectable = true},
-          {.start_advertising_result = [](absl::Status) {}});
-  EXPECT_NE(adv_session, nullptr);
-
-  EXPECT_TRUE(env_.GetBleV2MediumStatus(*ble_a.GetImpl()).value().is_scanning);
-  EXPECT_TRUE(
-      env_.GetBleV2MediumStatus(*ble_b.GetImpl()).value().is_advertising);
-  EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
-  EXPECT_OK(scanning_session->stop_scanning());
-
-  EXPECT_OK(adv_session->stop_advertising());
-  EXPECT_FALSE(env_.GetBleV2MediumStatus(*ble_a.GetImpl()).value().is_scanning);
-  EXPECT_FALSE(
-      env_.GetBleV2MediumStatus(*ble_b.GetImpl()).value().is_advertising);
-  env_.UnregisterBleV2Medium(*ble_a.GetImpl());
-  env_.UnregisterBleV2Medium(*ble_b.GetImpl());
-  EXPECT_EQ(env_.GetBleV2MediumStatus(*ble_a.GetImpl()), absl::nullopt);
-  EXPECT_EQ(env_.GetBleV2MediumStatus(*ble_b.GetImpl()), absl::nullopt);
-  env_.Stop();
-}
-
 TEST_F(BleV2MediumTest, CanStartGattServer) {
   env_.Start();
   BluetoothAdapter adapter;