diff --git a/sharing/fake_nearby_connections_manager.cc b/sharing/fake_nearby_connections_manager.cc
index 7d01c1b050..39d1201768 100644
--- a/sharing/fake_nearby_connections_manager.cc
+++ b/sharing/fake_nearby_connections_manager.cc
@@ -46,8 +46,8 @@ FakeNearbyConnectionsManager::FakeNearbyConnectionsManager() = default;
 FakeNearbyConnectionsManager::~FakeNearbyConnectionsManager() = default;
 
 void FakeNearbyConnectionsManager::Shutdown() {
-  NL_DCHECK(!IsAdvertising());
-  NL_DCHECK(!IsDiscovering());
+  DCHECK(!IsAdvertising());
+  DCHECK(!IsDiscovering());
   is_shutdown_ = true;
 }
 
@@ -55,7 +55,7 @@ void FakeNearbyConnectionsManager::StartAdvertising(
     std::vector<uint8_t> endpoint_info, IncomingConnectionListener* listener,
     PowerLevel power_level, DataUsage data_usage, bool use_stable_endpoint_id,
     ConnectionsCallback callback) {
-  NL_DCHECK(!IsAdvertising());
+  DCHECK(!IsAdvertising());
   is_shutdown_ = false;
   {
     absl::MutexLock lock(&listener_mutex_);
@@ -74,8 +74,8 @@ void FakeNearbyConnectionsManager::StartAdvertising(
 
 void FakeNearbyConnectionsManager::StopAdvertising(
     ConnectionsCallback callback) {
-  NL_DCHECK(IsAdvertising());
-  NL_DCHECK(!is_shutdown());
+  DCHECK(IsAdvertising());
+  DCHECK(!is_shutdown());
   {
     absl::MutexLock lock(&listener_mutex_);
     advertising_listener_ = nullptr;
@@ -101,8 +101,8 @@ void FakeNearbyConnectionsManager::StartDiscovery(
 }
 
 void FakeNearbyConnectionsManager::StopDiscovery() {
-  NL_DCHECK(IsDiscovering());
-  NL_DCHECK(!is_shutdown());
+  DCHECK(IsDiscovering());
+  DCHECK(!is_shutdown());
   absl::MutexLock lock(&listener_mutex_);
   discovery_listener_ = nullptr;
 }
@@ -112,7 +112,7 @@ void FakeNearbyConnectionsManager::Connect(
     std::optional<std::vector<uint8_t>> bluetooth_mac_address,
     DataUsage data_usage, TransportType transport_type,
     NearbyConnectionCallback callback) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
   connected_data_usage_ = data_usage;
   transport_type_ = transport_type;
   connection_endpoint_infos_.emplace(endpoint_id, std::move(endpoint_info));
@@ -120,28 +120,28 @@ void FakeNearbyConnectionsManager::Connect(
 }
 
 void FakeNearbyConnectionsManager::Disconnect(absl::string_view endpoint_id) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
   connection_endpoint_infos_.erase(std::string(endpoint_id));
 }
 
 void FakeNearbyConnectionsManager::Send(
     absl::string_view endpoint_id, std::unique_ptr<Payload> payload,
     std::weak_ptr<PayloadStatusListener> listener) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
   if (send_payload_callback_)
     send_payload_callback_(std::move(payload), listener);
 }
 
 void FakeNearbyConnectionsManager::RegisterPayloadStatusListener(
     int64_t payload_id, std::weak_ptr<PayloadStatusListener> listener) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
 
   payload_status_listeners_[payload_id] = listener;
 }
 
 const Payload* FakeNearbyConnectionsManager::GetIncomingPayload(
     int64_t payload_id) const {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
   absl::MutexLock lock(&incoming_payloads_mutex_);
   auto it = incoming_payloads_.find(payload_id);
   if (it == incoming_payloads_.end()) return nullptr;
@@ -150,7 +150,7 @@ const Payload* FakeNearbyConnectionsManager::GetIncomingPayload(
 }
 
 void FakeNearbyConnectionsManager::Cancel(int64_t payload_id) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
   std::weak_ptr<PayloadStatusListener> listener =
       GetRegisteredPayloadStatusListener(payload_id);
   if (auto weak_listener = listener.lock()) {
@@ -159,8 +159,7 @@ void FakeNearbyConnectionsManager::Cancel(int64_t payload_id) {
     status_update->status = PayloadStatus::kCanceled;
     status_update->total_bytes = 0;
     status_update->bytes_transferred = 0;
-    weak_listener->OnStatusUpdate(std::move(status_update),
-                                  /*upgraded_medium=*/std::nullopt);
+    weak_listener->OnStatusUpdate(std::move(status_update));
     payload_status_listeners_.erase(payload_id);
   }
 
@@ -176,7 +175,7 @@ void FakeNearbyConnectionsManager::ClearIncomingPayloads() {
 std::optional<std::vector<uint8_t>>
 FakeNearbyConnectionsManager::GetRawAuthenticationToken(
     absl::string_view endpoint_id) {
-  NL_DCHECK(!is_shutdown());
+  DCHECK(!is_shutdown());
 
   auto iter = endpoint_auth_tokens_.find(std::string(endpoint_id));
   if (iter != endpoint_auth_tokens_.end()) return iter->second;
diff --git a/sharing/nearby_connections_manager.h b/sharing/nearby_connections_manager.h
index b6fc5ab591..9adb954f96 100644
--- a/sharing/nearby_connections_manager.h
+++ b/sharing/nearby_connections_manager.h
@@ -84,11 +84,8 @@ class NearbyConnectionsManager {
       return weak_from_this();
     }
 
-    // Note: `upgraded_medium` is passed in for use in metrics, and it is
-    // absl::nullopt if the bandwidth has not upgraded yet or if the upgrade
-    // status is not known.
-    virtual void OnStatusUpdate(std::unique_ptr<PayloadTransferUpdate> update,
-                                std::optional<Medium> upgraded_medium) = 0;
+    virtual void OnStatusUpdate(
+        std::unique_ptr<PayloadTransferUpdate> update) = 0;
   };
 
   // Converts the status to a logging-friendly string.
diff --git a/sharing/nearby_connections_manager_impl.cc b/sharing/nearby_connections_manager_impl.cc
index 528bb1a1d7..873d9ddec2 100644
--- a/sharing/nearby_connections_manager_impl.cc
+++ b/sharing/nearby_connections_manager_impl.cc
@@ -27,6 +27,7 @@
 
 #include "absl/container/flat_hash_map.h"
 #include "absl/container/flat_hash_set.h"
+#include "absl/functional/bind_front.h"
 #include "absl/meta/type_traits.h"
 #include "absl/strings/string_view.h"
 #include "absl/time/time.h"
@@ -78,7 +79,7 @@ bool ShouldUseInternet(ConnectivityManager& connectivity_manager,
 
   // Verify that this network has an internet connection.
   if (connection_type == ConnectivityManager::ConnectionType::kNone) {
-    NL_VLOG(1) << __func__ << ": No internet connection.";
+    VLOG(1) << __func__ << ": No internet connection.";
     return false;
   }
 
@@ -168,8 +169,8 @@ void NearbyConnectionsManagerImpl::StartAdvertising(
     std::vector<uint8_t> endpoint_info, IncomingConnectionListener* listener,
     PowerLevel power_level, DataUsage data_usage, bool use_stable_endpoint_id,
     ConnectionsCallback callback) {
-  NL_DCHECK(listener);
-  NL_DCHECK(!incoming_connection_listener_);
+  DCHECK(listener);
+  DCHECK(!incoming_connection_listener_);
 
   if (!nearby_connections_service_) {
     std::move(callback)(ConnectionsStatus::kError);
@@ -189,11 +190,10 @@ void NearbyConnectionsManagerImpl::StartAdvertising(
       /*wifi_lan=*/
       ShouldEnableWifiLan(connectivity_manager_),
       /*wifi_hotspot=*/true);
-  NL_VLOG(1) << __func__ << ": "
-             << "is_high_power=" << (is_high_power ? "yes" : "no")
-             << ", data_usage=" << static_cast<int>(data_usage)
-             << ", allowed_mediums="
-             << MediumSelectionToString(allowed_mediums);
+  VLOG(1) << __func__ << ": "
+          << "is_high_power=" << (is_high_power ? "yes" : "no")
+          << ", data_usage=" << static_cast<int>(data_usage)
+          << ", allowed_mediums=" << MediumSelectionToString(allowed_mediums);
 
   // Nearby Sharing manually controls Wi-Fi/Bluetooth upgrade. Frequent
   // Bluetooth connection drops were observed during upgrades for Bluetooth
@@ -271,7 +271,7 @@ void NearbyConnectionsManagerImpl::StopAdvertising(
 void NearbyConnectionsManagerImpl::StartDiscovery(
     DiscoveryListener* listener, DataUsage data_usage,
     ConnectionsCallback callback) {
-  NL_DCHECK(listener);
+  DCHECK(listener);
 
   if (!nearby_connections_service_) {
     std::move(callback)(ConnectionsStatus::kError);
@@ -287,10 +287,9 @@ void NearbyConnectionsManagerImpl::StartDiscovery(
       /*wifi_lan=*/
       ShouldEnableWifiLan(connectivity_manager_),
       /*wifi_hotspot=*/true);
-  NL_VLOG(1) << __func__ << ": "
-             << "data_usage=" << static_cast<int>(data_usage)
-             << ", allowed_mediums="
-             << MediumSelectionToString(allowed_mediums);
+  VLOG(1) << __func__ << ": "
+          << "data_usage=" << static_cast<int>(data_usage)
+          << ", allowed_mediums=" << MediumSelectionToString(allowed_mediums);
 
   discovery_listener_ = listener;
 
@@ -321,10 +320,10 @@ void NearbyConnectionsManagerImpl::StopDiscovery() {
 
   nearby_connections_service_->StopDiscovery(
       kServiceId, [&](ConnectionsStatus status) {
-        NL_VLOG(1) << __func__
-                   << ": Stop discovery attempted over Nearby "
-                      "Connections with result: "
-                   << ConnectionsStatusToString(status);
+        VLOG(1) << __func__
+                << ": Stop discovery attempted over Nearby "
+                   "Connections with result: "
+                << ConnectionsStatusToString(status);
       });
 }
 
@@ -352,13 +351,12 @@ void NearbyConnectionsManagerImpl::Connect(
       ShouldEnableWifiLan(connectivity_manager_),
       /*wifi_hotspot=*/
       IsTransportTypeFlagsSet(transport_type, TransportType::kHighQuality));
-  NL_VLOG(1) << __func__ << ": "
-             << "data_usage=" << static_cast<int>(data_usage)
-             << ", allowed_mediums="
-             << MediumSelectionToString(allowed_mediums);
+  VLOG(1) << __func__ << ": "
+          << "data_usage=" << static_cast<int>(data_usage)
+          << ", allowed_mediums=" << MediumSelectionToString(allowed_mediums);
   [[maybe_unused]] auto result =
       pending_outgoing_connections_.emplace(endpoint_id, std::move(callback));
-  NL_DCHECK(result.second);
+  DCHECK(result.second);
 
   auto timeout_timer = context_->CreateTimer();
   timeout_timer->Start(
@@ -468,10 +466,9 @@ void NearbyConnectionsManagerImpl::Disconnect(absl::string_view endpoint_id) {
   nearby_connections_service_->DisconnectFromEndpoint(
       kServiceId, endpoint_id,
       [&, endpoint_id = std::string(endpoint_id)](ConnectionsStatus status) {
-        NL_VLOG(1) << __func__ << ": Disconnecting from endpoint "
-                   << endpoint_id
-                   << " attempted over Nearby Connections with result: "
-                   << ConnectionsStatusToString(status);
+        VLOG(1) << __func__ << ": Disconnecting from endpoint " << endpoint_id
+                << " attempted over Nearby Connections with result: "
+                << ConnectionsStatusToString(status);
 
         connections_callback_task_runner_->PostTask([this, endpoint_id]() {
           OnDisconnected(endpoint_id);
@@ -551,18 +548,17 @@ void NearbyConnectionsManagerImpl::Cancel(int64_t payload_id) {
     // with another payload in the same transfer.
     if (auto status_listener = listener.lock()) {
       status_listener->OnStatusUpdate(std::make_unique<PayloadTransferUpdate>(
-                                          payload_id, PayloadStatus::kCanceled,
-                                          /*total_bytes=*/0,
-                                          /*bytes_transferred=*/0),
-                                      /*upgraded_medium=*/std::nullopt);
+          payload_id, PayloadStatus::kCanceled,
+          /*total_bytes=*/0,
+          /*bytes_transferred=*/0));
     }
   }
 
   nearby_connections_service_->CancelPayload(
       kServiceId, payload_id, [&, payload_id](ConnectionsStatus status) {
-        NL_VLOG(1) << __func__ << ": Cancelling payload to id " << payload_id
-                   << " attempted over Nearby Connections with result: "
-                   << ConnectionsStatusToString(status);
+        VLOG(1) << __func__ << ": Cancelling payload to id " << payload_id
+                << " attempted over Nearby Connections with result: "
+                << ConnectionsStatusToString(status);
       });
 
   LOG(INFO) << "Cancelling payload: " << payload_id;
@@ -605,9 +601,9 @@ void NearbyConnectionsManagerImpl::UpgradeBandwidth(
   nearby_connections_service_->InitiateBandwidthUpgrade(
       kServiceId, endpoint_id,
       [&, endpoint_id = std::string(endpoint_id)](ConnectionsStatus status) {
-        NL_VLOG(1) << __func__ << ": Bandwidth upgrade attempted to endpoint "
-                   << endpoint_id << "over Nearby Connections with result: "
-                   << ConnectionsStatusToString(status);
+        VLOG(1) << __func__ << ": Bandwidth upgrade attempted to endpoint "
+                << endpoint_id << "over Nearby Connections with result: "
+                << ConnectionsStatusToString(status);
       });
 }
 
@@ -660,7 +656,7 @@ void NearbyConnectionsManagerImpl::OnConnectionInitiated(
   MutexLock lock(&mutex_);
   [[maybe_unused]] auto result =
       connection_info_map_.emplace(endpoint_id, std::move(info));
-  NL_DCHECK(result.second);
+  DCHECK(result.second);
 
   NearbyConnectionsService::PayloadListener payload_listener;
 
@@ -669,21 +665,15 @@ void NearbyConnectionsManagerImpl::OnConnectionInitiated(
     OnPayloadReceived(endpoint_id, payload);
   };
 
-  payload_listener.payload_progress_cb =
-      [this](absl::string_view endpoint_id,
-             const PayloadTransferUpdate& update) {
-        connections_callback_task_runner_->PostTask(
-            [this, endpoint_id = std::string(endpoint_id), update = update]() {
-              OnPayloadTransferUpdate(endpoint_id, update);
-            });
-      };
+  payload_listener.payload_progress_cb = absl::bind_front(
+      &NearbyConnectionsManagerImpl::OnPayloadTransferUpdate, this);
 
   nearby_connections_service_->AcceptConnection(
       kServiceId, endpoint_id, std::move(payload_listener),
       [endpoint_id = std::string(endpoint_id)](ConnectionsStatus status) {
-        NL_VLOG(1) << __func__ << ": Accept connection attempted to endpoint "
-                   << endpoint_id << " over Nearby Connections with result: "
-                   << ConnectionsStatusToString(status);
+        VLOG(1) << __func__ << ": Accept connection attempted to endpoint "
+                << endpoint_id << " over Nearby Connections with result: "
+                << ConnectionsStatusToString(status);
       });
 }
 
@@ -703,7 +693,7 @@ void NearbyConnectionsManagerImpl::OnConnectionAccepted(
     auto result = connections_.emplace(std::string(endpoint_id),
                                        std::make_unique<NearbyConnectionImpl>(
                                            device_info_, this, endpoint_id));
-    NL_DCHECK(result.second);
+    DCHECK(result.second);
     incoming_connection_listener_->OnIncomingConnection(
         endpoint_id, it->second.endpoint_info, result.first->second.get());
   } else {
@@ -716,7 +706,7 @@ void NearbyConnectionsManagerImpl::OnConnectionAccepted(
     auto result = connections_.emplace(
         endpoint_id, std::make_unique<NearbyConnectionImpl>(device_info_, this,
                                                             endpoint_id));
-    NL_DCHECK(result.second);
+    DCHECK(result.second);
     std::move(it->second)(result.first->second.get(), Status::kSuccess);
     pending_outgoing_connections_.erase(it);
     connect_timeout_timers_.erase(endpoint_id);
@@ -768,9 +758,9 @@ void NearbyConnectionsManagerImpl::OnDisconnected(
 void NearbyConnectionsManagerImpl::OnBandwidthChanged(
     absl::string_view endpoint_id, Medium medium) {
   MutexLock lock(&mutex_);
-  NL_VLOG(1) << __func__
-             << ": Bandwidth changed to medium=" << static_cast<int>(medium)
-             << "; endpoint_id=" << endpoint_id;
+  VLOG(1) << __func__
+          << ": Bandwidth changed to medium=" << static_cast<int>(medium)
+          << "; endpoint_id=" << endpoint_id;
 
   if (transfer_managers_.contains(endpoint_id)) {
     transfer_managers_[endpoint_id]->OnMediumQualityChanged(medium);
@@ -789,8 +779,7 @@ void NearbyConnectionsManagerImpl::OnPayloadReceived(
               kDeleteUnexpectedReceivedFileFix)) {
     if (payload.content.type != PayloadContent::Type::kBytes &&
         !payload_status_listeners_.contains(payload.id)) {
-      LOG(WARNING) << __func__
-                   << ": Received unknown payload. Canceling.";
+      LOG(WARNING) << __func__ << ": Received unknown payload. Canceling.";
       DeleteUnknownFilePayloadAndCancel(payload);
       return;
     }
@@ -803,7 +792,7 @@ void NearbyConnectionsManagerImpl::OnPayloadReceived(
   } else {
     [[maybe_unused]] auto result =
         incoming_payloads_.emplace(payload.id, std::move(payload));
-    NL_DCHECK(result.second);
+    DCHECK(result.second);
   }
 }
 
@@ -882,11 +871,12 @@ void NearbyConnectionsManagerImpl::OnPayloadTransferUpdate(
 
     // Note: The listener might be invalidated, for example, if it is shared
     // with another payload in the same transfer.
-    if (auto status_listener = listener->lock()) {
-      status_listener->OnStatusUpdate(
-          std::make_unique<PayloadTransferUpdate>(update),
-          GetUpgradedMedium(endpoint_id));
-    }
+    connections_callback_task_runner_->PostTask([listener, update = update]() {
+      if (auto status_listener = listener->lock()) {
+        status_listener->OnStatusUpdate(
+            std::make_unique<PayloadTransferUpdate>(update));
+      }
+    });
     return;
   }
 
@@ -921,10 +911,10 @@ void NearbyConnectionsManagerImpl::OnPayloadTransferUpdate(
 void NearbyConnectionsManagerImpl::Reset() {
   MutexLock lock(&mutex_);
   nearby_connections_service_->StopAllEndpoints([](ConnectionsStatus status) {
-    NL_VLOG(1) << __func__
-               << ": Stop all endpoints attempted over Nearby "
-                  "Connections with result: "
-               << ConnectionsStatusToString(status);
+    VLOG(1) << __func__
+            << ": Stop all endpoints attempted over Nearby "
+               "Connections with result: "
+            << ConnectionsStatusToString(status);
   });
 
   discovered_endpoints_.clear();
@@ -963,10 +953,10 @@ void NearbyConnectionsManagerImpl::SetCustomSavePath(
   MutexLock lock(&mutex_);
   nearby_connections_service_->SetCustomSavePath(
       custom_save_path, [&](Status status) {
-        NL_VLOG(1) << __func__
-                   << ": SetCustomSavePath attempted over Nearby "
-                      "Connections with result: "
-                   << static_cast<int>(status);
+        VLOG(1) << __func__
+                << ": SetCustomSavePath attempted over Nearby "
+                   "Connections with result: "
+                << static_cast<int>(status);
       });
 }
 
diff --git a/sharing/nearby_connections_manager_impl_test.cc b/sharing/nearby_connections_manager_impl_test.cc
index 9137cd8629..c214fd8d0f 100644
--- a/sharing/nearby_connections_manager_impl_test.cc
+++ b/sharing/nearby_connections_manager_impl_test.cc
@@ -124,8 +124,7 @@ class MockPayloadStatusListener
     : public NearbyConnectionsManager::PayloadStatusListener {
  public:
   MOCK_METHOD(void, OnStatusUpdate,
-              (std::unique_ptr<PayloadTransferUpdate> update,
-               std::optional<Medium> upgraded_medium),
+              (std::unique_ptr<PayloadTransferUpdate> update),
               (override));
 };
 
@@ -1085,13 +1084,11 @@ TEST_F(NearbyConnectionsManagerImplTest, ConnectSendPayload) {
                                         kTotalSize, kBytesTransferred);
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_EQ(update->payload_id, expected_update.payload_id);
         EXPECT_EQ(update->bytes_transferred, expected_update.bytes_transferred);
         EXPECT_EQ(update->total_bytes, expected_update.total_bytes);
         EXPECT_EQ(update->status, expected_update.status);
-        EXPECT_FALSE(upgraded_medium.has_value());
         payload_notification.Notify();
       });
 
@@ -1130,13 +1127,11 @@ TEST_F(NearbyConnectionsManagerImplTest, ConnectCancelPayload) {
 
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_EQ(update->payload_id, kPayloadId);
         EXPECT_EQ(update->status, PayloadStatus::kCanceled);
         EXPECT_EQ(update->total_bytes, 0u);
         EXPECT_EQ(update->bytes_transferred, 0u);
-        EXPECT_FALSE(upgraded_medium.has_value());
         payload_notification.Notify();
       });
 
@@ -1194,13 +1189,11 @@ TEST_F(NearbyConnectionsManagerImplTest,
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
       .Times(1)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_EQ(update->payload_id, kPayloadId);
         EXPECT_EQ(update->status, PayloadStatus::kCanceled);
         EXPECT_EQ(update->total_bytes, 0u);
         EXPECT_EQ(update->bytes_transferred, 0u);
-        EXPECT_FALSE(upgraded_medium.has_value());
 
         // Destroy the PayloadStatusListener after the first payload is
         // cancelled.
@@ -1309,11 +1302,9 @@ TEST_F(NearbyConnectionsManagerImplTest, IncomingPayloadStatusListener) {
                                         kTotalSize, kBytesTransferred);
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_THAT(*update, FieldsAre(kPayloadId, PayloadStatus::kInProgress,
                                        kTotalSize, kBytesTransferred));
-        EXPECT_FALSE(upgraded_medium.has_value());
         payload_notification.Notify();
       });
 
@@ -1325,8 +1316,7 @@ TEST_F(NearbyConnectionsManagerImplTest, IncomingPayloadStatusListener) {
   // After success status, send another progress update.
   absl::Notification payload_notification_2;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         payload_notification_2.Notify();
       });
 
@@ -1403,13 +1393,11 @@ TEST_F(NearbyConnectionsManagerImplTest,
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
       .Times(1)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_EQ(update->payload_id, kPayloadId);
         EXPECT_EQ(update->status, PayloadStatus::kFailure);
         EXPECT_EQ(update->total_bytes, kTotalSize);
         EXPECT_EQ(update->bytes_transferred, 0u);
-        EXPECT_FALSE(upgraded_medium.has_value());
 
         // Destroy the PayloadStatusListener after the first payload fails.
         payload_listener.reset();
@@ -1458,7 +1446,7 @@ TEST_F(NearbyConnectionsManagerImplTest, IncomingBytesPayload) {
                                      Payload(kPayloadId, expected_payload));
 
   absl::Notification payload_notification;
-  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_, ::testing::_))
+  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_))
       .WillOnce([&]() { payload_notification.Notify(); });
 
   payload_listener_remote.payload_progress_cb(
@@ -1503,7 +1491,7 @@ TEST_F(NearbyConnectionsManagerImplTest, IncomingFilePayload) {
                                      Payload(kPayloadId, InputFile(file)));
 
   absl::Notification payload_notification;
-  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_, ::testing::_))
+  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_))
       .WillOnce([&]() { payload_notification.Notify(); });
 
   payload_listener_remote.payload_progress_cb(
@@ -1553,7 +1541,7 @@ TEST_F(NearbyConnectionsManagerImplTest, ClearIncomingPayloads) {
                                      Payload(kPayloadId, InputFile(file)));
 
   absl::Notification payload_notification;
-  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_, ::testing::_))
+  EXPECT_CALL(*payload_listener, OnStatusUpdate(::testing::_))
       .WillOnce([&]() { payload_notification.Notify(); });
 
   payload_listener_remote.payload_progress_cb(
@@ -1943,13 +1931,11 @@ TEST_F(NearbyConnectionsManagerImplTest,
 
   absl::Notification payload_notification;
   EXPECT_CALL(*payload_listener, OnStatusUpdate)
-      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update,
-                    std::optional<Medium> upgraded_medium) {
+      .WillOnce([&](std::unique_ptr<PayloadTransferUpdate> update) {
         EXPECT_EQ(update->payload_id, kPayloadId);
         EXPECT_EQ(update->status, PayloadStatus::kCanceled);
         EXPECT_EQ(update->total_bytes, 0u);
         EXPECT_EQ(update->bytes_transferred, 0u);
-        EXPECT_FALSE(upgraded_medium.has_value());
         payload_notification.Notify();
       });
 
diff --git a/sharing/nearby_sharing_service_impl_test.cc b/sharing/nearby_sharing_service_impl_test.cc
index 7723668f20..6defeb176a 100644
--- a/sharing/nearby_sharing_service_impl_test.cc
+++ b/sharing/nearby_sharing_service_impl_test.cc
@@ -1000,8 +1000,7 @@ class NearbySharingServiceImplTest : public testing::Test {
           /*total_bytes=*/strlen(kTextPayload),
           /*bytes_transferred=*/strlen(kTextPayload));
       if (auto listener = info.listener.lock()) {
-        listener->OnStatusUpdate(std::move(payload_transfer_update),
-                                 /*upgraded_medium=*/std::nullopt);
+        listener->OnStatusUpdate(std::move(payload_transfer_update));
       }
     });
     EXPECT_TRUE(sharing_service_task_runner_->SyncWithTimeout(kWaitTimeout));
@@ -1096,8 +1095,7 @@ class NearbySharingServiceImplTest : public testing::Test {
                                   /*bytes_transferred=*/kPayloadSize);
         if (auto locked_listener = listener.lock()) {
           locked_listener->OnStatusUpdate(
-              std::make_unique<PayloadTransferUpdate>(payload),
-              /*upgraded_medium=*/std::nullopt);
+              std::make_unique<PayloadTransferUpdate>(payload));
         }
       });
 
@@ -1141,8 +1139,7 @@ class NearbySharingServiceImplTest : public testing::Test {
                                 /*bytes_transferred=*/kPayloadSize);
       if (auto locked_listener = listener.lock()) {
         locked_listener->OnStatusUpdate(
-            std::make_unique<PayloadTransferUpdate>(payload),
-            /*upgraded_medium=*/std::nullopt);
+            std::make_unique<PayloadTransferUpdate>(payload));
       }
     });
 
@@ -2774,8 +2771,7 @@ TEST_F(NearbySharingServiceImplTest,
           /*total_bytes=*/kPayloadSize,
           /*bytes_transferred=*/kPayloadSize);
       if (auto locked_listener = listener.lock()) {
-        locked_listener->OnStatusUpdate(std::move(payload),
-                                        /*upgraded_medium=*/std::nullopt);
+        locked_listener->OnStatusUpdate(std::move(payload));
       }
     });
     EXPECT_TRUE(
@@ -2809,8 +2805,7 @@ TEST_F(NearbySharingServiceImplTest,
         /*total_bytes=*/kPayloadSize,
         /*bytes_transferred=*/kPayloadSize);
     if (auto locked_listener = listener.lock()) {
-      locked_listener->OnStatusUpdate(std::move(payload),
-                                      /*upgraded_medium=*/std::nullopt);
+      locked_listener->OnStatusUpdate(std::move(payload));
     }
   });
   EXPECT_TRUE(
@@ -2859,8 +2854,7 @@ TEST_F(NearbySharingServiceImplTest, AcceptValidShareTargetPayloadFailed) {
         /*total_bytes=*/kPayloadSize,
         /*bytes_transferred=*/kPayloadSize);
     if (auto locked_listener = listener.lock()) {
-      locked_listener->OnStatusUpdate(std::move(payload),
-                                      /*upgraded_medium=*/std::nullopt);
+      locked_listener->OnStatusUpdate(std::move(payload));
     }
   });
 
@@ -2910,8 +2904,7 @@ TEST_F(NearbySharingServiceImplTest, AcceptValidShareTargetPayloadCancelled) {
         /*total_bytes=*/kPayloadSize,
         /*bytes_transferred=*/kPayloadSize);
     if (auto locked_listener = listener.lock()) {
-      locked_listener->OnStatusUpdate(std::move(payload),
-                                      /*upgraded_medium=*/std::nullopt);
+      locked_listener->OnStatusUpdate(std::move(payload));
     }
   });
   EXPECT_TRUE(
diff --git a/sharing/payload_tracker.cc b/sharing/payload_tracker.cc
index 892a0b5b70..97bec1a11f 100644
--- a/sharing/payload_tracker.cc
+++ b/sharing/payload_tracker.cc
@@ -40,8 +40,7 @@ namespace nearby {
 namespace sharing {
 
 PayloadTracker::PayloadTracker(
-    Clock* clock, int64_t share_target_id,
-    const AttachmentContainer& container,
+    Clock* clock, int64_t share_target_id, const AttachmentContainer& container,
     const absl::flat_hash_map<int64_t, int64_t>& attachment_payload_map,
     std::function<void(int64_t, TransferMetadata)> update_callback)
     : clock_(clock),
@@ -53,10 +52,9 @@ PayloadTracker::PayloadTracker(
   for (const auto& file : container.GetFileAttachments()) {
     auto it = attachment_payload_map.find(file.id());
     if (it == attachment_payload_map.end()) {
-      NL_LOG(WARNING)
-          << __func__
-          << ": Failed to retrieve payload for file attachment id - "
-          << file.id();
+      LOG(WARNING) << __func__
+                   << ": Failed to retrieve payload for file attachment id - "
+                   << file.id();
       continue;
     }
 
@@ -68,10 +66,9 @@ PayloadTracker::PayloadTracker(
   for (const auto& text : container.GetTextAttachments()) {
     auto it = attachment_payload_map.find(text.id());
     if (it == attachment_payload_map.end()) {
-      NL_LOG(WARNING)
-          << __func__
-          << ": Failed to retrieve payload for text attachment id - "
-          << text.id();
+      LOG(WARNING) << __func__
+                   << ": Failed to retrieve payload for text attachment id - "
+                   << text.id();
       continue;
     }
 
@@ -84,10 +81,10 @@ PayloadTracker::PayloadTracker(
        container.GetWifiCredentialsAttachments()) {
     auto it = attachment_payload_map.find(wifi_credentials.id());
     if (it == attachment_payload_map.end()) {
-      NL_LOG(WARNING) << __func__
-                      << ": Failed to retrieve payload for WiFi credentials "
-                         "attachment id - "
-                      << wifi_credentials.id();
+      LOG(WARNING) << __func__
+                   << ": Failed to retrieve payload for WiFi credentials "
+                      "attachment id - "
+                   << wifi_credentials.id();
       continue;
     }
 
@@ -101,8 +98,7 @@ PayloadTracker::PayloadTracker(
 PayloadTracker::~PayloadTracker() = default;
 
 void PayloadTracker::OnStatusUpdate(
-    std::unique_ptr<PayloadTransferUpdate> update,
-    std::optional<Medium> upgraded_medium) {
+    std::unique_ptr<PayloadTransferUpdate> update) {
   auto it = payload_state_.find(update->payload_id);
   if (it == payload_state_.end()) return;
 
@@ -111,20 +107,16 @@ void PayloadTracker::OnStatusUpdate(
     first_update_timestamp_ = absl::Now();
     num_first_update_bytes_ = update->bytes_transferred;
   }
-  if (upgraded_medium.has_value()) {
-    last_upgraded_medium_ = upgraded_medium;
-  }
-
   if (it->second.status != update->status) {
     it->second.status = update->status;
 
-    NL_VLOG(1) << __func__ << ": Payload id " << update->payload_id
-               << " had status change: " << update->status;
+    VLOG(1) << __func__ << ": Payload id " << update->payload_id
+            << " had status change: " << update->status;
   }
 
   if (it->second.status == PayloadStatus::kSuccess) {
-    NL_LOG(INFO) << __func__ << ": Completed transfer of payload " << it->first
-                 << " with attachment id " << it->second.attachment_id;
+    LOG(INFO) << __func__ << ": Completed transfer of payload " << it->first
+              << " with attachment id " << it->second.attachment_id;
     transferred_attachments_count_++;
     confirmed_transfer_size_ += update->bytes_transferred;
   }
@@ -147,7 +139,7 @@ void PayloadTracker::OnStatusUpdate(
 
 void PayloadTracker::OnTransferUpdate(const State& state) {
   if (IsComplete()) {
-    NL_VLOG(1) << __func__ << ": All payloads are complete.";
+    VLOG(1) << __func__ << ": All payloads are complete.";
     update_callback_(
         share_target_id_,
         TransferMetadataBuilder()
@@ -160,7 +152,7 @@ void PayloadTracker::OnTransferUpdate(const State& state) {
   }
 
   if (IsCancelled(state)) {
-    NL_VLOG(1) << __func__ << ": Payloads cancelled.";
+    VLOG(1) << __func__ << ": Payloads cancelled.";
     update_callback_(
         share_target_id_,
         TransferMetadataBuilder()
@@ -172,7 +164,7 @@ void PayloadTracker::OnTransferUpdate(const State& state) {
   }
 
   if (HasFailed(state)) {
-    NL_VLOG(1) << __func__ << ": Payloads failed.";
+    VLOG(1) << __func__ << ": Payloads failed.";
     update_callback_(
         share_target_id_,
         TransferMetadataBuilder()
@@ -275,7 +267,7 @@ uint64_t PayloadTracker::GetTotalTransferred(const State& state) const {
 
 double PayloadTracker::CalculateProgressPercent(const State& state) const {
   if (!total_transfer_size_) {
-    NL_LOG(WARNING) << __func__ << ": Total attachment size is 0";
+    LOG(WARNING) << __func__ << ": Total attachment size is 0";
     return 100.0;
   }
 
diff --git a/sharing/payload_tracker.h b/sharing/payload_tracker.h
index ae7b157a2d..653806081c 100644
--- a/sharing/payload_tracker.h
+++ b/sharing/payload_tracker.h
@@ -46,8 +46,7 @@ class PayloadTracker : public NearbyConnectionsManager::PayloadStatusListener {
   ~PayloadTracker() override;
 
   // NearbyConnectionsManager::PayloadStatusListener:
-  void OnStatusUpdate(std::unique_ptr<PayloadTransferUpdate> update,
-                      std::optional<Medium> upgraded_medium) override;
+  void OnStatusUpdate(std::unique_ptr<PayloadTransferUpdate> update) override;
 
  private:
   struct State {
@@ -103,7 +102,6 @@ class PayloadTracker : public NearbyConnectionsManager::PayloadStatusListener {
   size_t num_wifi_credentials_attachments_ = 0;
   uint64_t num_first_update_bytes_ = 0;
   std::optional<absl::Time> first_update_timestamp_;
-  std::optional<Medium> last_upgraded_medium_;
 };
 
 }  // namespace sharing
diff --git a/sharing/payload_tracker_test.cc b/sharing/payload_tracker_test.cc
index 5a859ea9f5..2264c0ac83 100644
--- a/sharing/payload_tracker_test.cc
+++ b/sharing/payload_tracker_test.cc
@@ -68,7 +68,7 @@ class PayloadTrackerTest : public ::testing::Test {
     auto transfer_update = std::make_unique<PayloadTransferUpdate>(
         /*payload_id=*/kFileId, PayloadStatus::kInProgress,
         /*total_bytes=*/kFileSize, /*bytes_transferred=*/bytes_transferred);
-    payload_tracker_->OnStatusUpdate(std::move(transfer_update), std::nullopt);
+    payload_tracker_->OnStatusUpdate(std::move(transfer_update));
   }
 
  private: