diff --git a/device/bluetooth/floss/bluetooth_adapter_floss.cc b/device/bluetooth/floss/bluetooth_adapter_floss.cc
index fe27749b3cca1..6ce9274010253 100644
--- a/device/bluetooth/floss/bluetooth_adapter_floss.cc
+++ b/device/bluetooth/floss/bluetooth_adapter_floss.cc
@@ -1235,11 +1235,8 @@ BluetoothAdapterFloss::StartLowEnergyScanSession(
 
 device::BluetoothAdapter::LowEnergyScanSessionHardwareOffloadingStatus
 BluetoothAdapterFloss::GetLowEnergyScanSessionHardwareOffloadingStatus() {
-  return FlossDBusManager::Get()->GetGattManagerClient()->GetMsftSupported()
-             ? device::BluetoothAdapter::
-                   LowEnergyScanSessionHardwareOffloadingStatus::kSupported
-             : device::BluetoothAdapter::
-                   LowEnergyScanSessionHardwareOffloadingStatus::kNotSupported;
+  NOTIMPLEMENTED();
+  return LowEnergyScanSessionHardwareOffloadingStatus::kNotSupported;
 }
 #endif  // BUILDFLAG(IS_CHROMEOS)
 
diff --git a/device/bluetooth/floss/floss_dbus_client.h b/device/bluetooth/floss/floss_dbus_client.h
index b9414b3b03f31..dc92ff111e4f2 100644
--- a/device/bluetooth/floss/floss_dbus_client.h
+++ b/device/bluetooth/floss/floss_dbus_client.h
@@ -896,10 +896,6 @@ class FlossProperty {
                                       weak_ptr_factory_.GetWeakPtr()),
                        bus, service_name, interface_, path, getter_);
 
-    if (!on_update_) {
-      return;
-    }
-
     // Listen for property updates.
     dbus::ExportedObject* exported_object =
         bus->GetExportedObject(callback_path);
@@ -955,10 +951,8 @@ class FlossProperty {
   const char* interface_;
   const char* callback_interface_;
 
-  // Method name to call to Floss daemon to get property value.
+  // Method names.
   const char* getter_;
-  // Method name called by Floss daemon to us to notify updates.
-  // Null means the property value never changes.
   const char* on_update_;
 
   // Keeps the property value.
diff --git a/device/bluetooth/floss/floss_gatt_manager_client.cc b/device/bluetooth/floss/floss_gatt_manager_client.cc
index f7fbb99cfef9b..f57c9f5207c8b 100644
--- a/device/bluetooth/floss/floss_gatt_manager_client.cc
+++ b/device/bluetooth/floss/floss_gatt_manager_client.cc
@@ -636,10 +636,6 @@ void FlossGattManagerClient::Init(dbus::Bus* bus,
     return;
   }
 
-  property_msft_supported_.Init(this, bus_, service_name_, gatt_adapter_path_,
-                                dbus::ObjectPath(kExportedCallbacksPath),
-                                base::DoNothing());
-
   // Everything is queued for registration so save |on_ready| for later.
   on_ready_ = std::move(on_ready);
 }
diff --git a/device/bluetooth/floss/floss_gatt_manager_client.h b/device/bluetooth/floss/floss_gatt_manager_client.h
index 22b6382f9716a..8a2f05426f9ac 100644
--- a/device/bluetooth/floss/floss_gatt_manager_client.h
+++ b/device/bluetooth/floss/floss_gatt_manager_client.h
@@ -519,8 +519,6 @@ class DEVICE_BLUETOOTH_EXPORT FlossGattManagerClient
                                       int32_t handle,
                                       bool confirm,
                                       std::vector<uint8_t> value);
-  // Get whether MSFT extension is supported.
-  bool GetMsftSupported() const { return property_msft_supported_.Get(); }
 
   // Initialize the gatt client for the given adapter.
   void Init(dbus::Bus* bus,
@@ -687,10 +685,6 @@ class DEVICE_BLUETOOTH_EXPORT FlossGattManagerClient
   ExportedCallbackManager<FlossGattServerObserver>
       gatt_server_exported_callback_manager_{gatt::kServerCallbackInterface};
 
-  FlossProperty<bool> property_msft_supported_{
-      kGattInterface, gatt::kCallbackInterface, "IsMsftSupported",
-      nullptr /* property is not updateable */};
-
   base::WeakPtrFactory<FlossGattManagerClient> weak_ptr_factory_{this};
 };