diff --git a/core/java/android/bluetooth/BluetoothGatt.java b/core/java/android/bluetooth/BluetoothGatt.java
index abebd6363e877..9cfe4175b6046 100644
--- a/core/java/android/bluetooth/BluetoothGatt.java
+++ b/core/java/android/bluetooth/BluetoothGatt.java
@@ -419,7 +419,6 @@ public final class BluetoothGatt implements BluetoothProfile {
                     try {
                         mAuthRetry = true;
                         mService.writeDescriptor(mClientIf, address, handle,
-                            BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT,
                             AUTHENTICATION_MITM, descriptor.getValue());
                         return;
                     } catch (RemoteException e) {
@@ -942,8 +941,7 @@ public final class BluetoothGatt implements BluetoothProfile {
 
         try {
             mService.writeDescriptor(mClientIf, device.getAddress(), descriptor.getInstanceId(),
-                BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT, AUTHENTICATION_NONE,
-                descriptor.getValue());
+                AUTHENTICATION_NONE, descriptor.getValue());
         } catch (RemoteException e) {
             Log.e(TAG,"",e);
             mDeviceBusy = false;
diff --git a/core/java/android/bluetooth/IBluetoothGatt.aidl b/core/java/android/bluetooth/IBluetoothGatt.aidl
index d613cd60b1e8d..124d39b614b2a 100644
--- a/core/java/android/bluetooth/IBluetoothGatt.aidl
+++ b/core/java/android/bluetooth/IBluetoothGatt.aidl
@@ -56,7 +56,7 @@ interface IBluetoothGatt {
                             in int writeType, in int authReq, in byte[] value);
     void readDescriptor(in int clientIf, in String address, in int handle, in int authReq);
     void writeDescriptor(in int clientIf, in String address, in int handle,
-                            in int writeType, in int authReq, in byte[] value);
+                            in int authReq, in byte[] value);
     void registerForNotification(in int clientIf, in String address, in int handle, in boolean enable);
     void beginReliableWrite(in int clientIf, in String address);
     void endReliableWrite(in int clientIf, in String address, in boolean execute);