diff --git a/Android.bp b/Android.bp
index 402cf1c245ab2948aced0be77038825b79d37a3b..23168232b7a3c1c5744cdabb00255a554445bf38 100644
--- a/Android.bp
+++ b/Android.bp
@@ -483,7 +483,6 @@ java_library {
"android.hardware.vibrator-V1.2-java",
"android.hardware.vibrator-V1.3-java",
"android.security.apc-java",
- "android.security.authorization-java",
"android.system.keystore2-java",
"android.system.suspend.control.internal-java",
"devicepolicyprotosnano",
diff --git a/keystore/java/android/security/AuthTokenUtils.java b/keystore/java/android/security/AuthTokenUtils.java
deleted file mode 100644
index 14d6626e5e97ac61c5444794bc5ec46a9754eb3c..0000000000000000000000000000000000000000
--- a/keystore/java/android/security/AuthTokenUtils.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.security;
-
-import android.annotation.NonNull;
-import android.hardware.security.keymint.HardwareAuthToken;
-import android.hardware.security.keymint.Timestamp;
-
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-
-/**
- * @hide This Utils class provides method(s) for AuthToken conversion.
- */
-public class AuthTokenUtils {
-
- private AuthTokenUtils(){
- }
-
- /**
- * Build a HardwareAuthToken from a byte array
- * @param array byte array representing an auth token
- * @return HardwareAuthToken representation of an auth token
- */
- public static @NonNull HardwareAuthToken toHardwareAuthToken(@NonNull byte[] array) {
- final HardwareAuthToken hardwareAuthToken = new HardwareAuthToken();
-
- // First byte is version, which does not exist in HardwareAuthToken anymore
- // Next 8 bytes is the challenge.
- hardwareAuthToken.challenge =
- ByteBuffer.wrap(array, 1, 8).order(ByteOrder.nativeOrder()).getLong();
-
- // Next 8 bytes is the userId
- hardwareAuthToken.userId =
- ByteBuffer.wrap(array, 9, 8).order(ByteOrder.nativeOrder()).getLong();
-
- // Next 8 bytes is the authenticatorId.
- hardwareAuthToken.authenticatorId =
- ByteBuffer.wrap(array, 17, 8).order(ByteOrder.nativeOrder()).getLong();
-
- // while the other fields are in machine byte order, authenticatorType and timestamp
- // are in network byte order.
- // Next 4 bytes is the authenticatorType.
- hardwareAuthToken.authenticatorType =
- ByteBuffer.wrap(array, 25, 4).order(ByteOrder.BIG_ENDIAN).getInt();
- // Next 8 bytes is the timestamp.
- final Timestamp timestamp = new Timestamp();
- timestamp.milliSeconds =
- ByteBuffer.wrap(array, 29, 8).order(ByteOrder.BIG_ENDIAN).getLong();
- hardwareAuthToken.timestamp = timestamp;
-
- // Last 32 bytes is the mac, 37:69
- hardwareAuthToken.mac = new byte[32];
- System.arraycopy(array, 37 /* srcPos */,
- hardwareAuthToken.mac,
- 0 /* destPos */,
- 32 /* length */);
-
- return hardwareAuthToken;
- }
-}
diff --git a/keystore/java/android/security/Authorization.java b/keystore/java/android/security/Authorization.java
deleted file mode 100644
index 2b76f25793ce285592400463b661f0d0611d7a9a..0000000000000000000000000000000000000000
--- a/keystore/java/android/security/Authorization.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.security;
-
-import android.annotation.NonNull;
-import android.hardware.security.keymint.HardwareAuthToken;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.ServiceSpecificException;
-import android.security.authorization.IKeystoreAuthorization;
-import android.system.keystore2.ResponseCode;
-import android.util.Log;
-
-/**
- * @hide This is the client side for IKeystoreAuthorization AIDL.
- * It shall only be used by biometric authentication providers and Gatekeeper.
- */
-public class Authorization {
- private static final String TAG = "KeystoreAuthorization";
- private static IKeystoreAuthorization sIKeystoreAuthorization;
-
- public static final int SYSTEM_ERROR = ResponseCode.SYSTEM_ERROR;
-
- public Authorization() {
- sIKeystoreAuthorization = null;
- }
-
- private static synchronized IKeystoreAuthorization getService() {
- if (sIKeystoreAuthorization == null) {
- sIKeystoreAuthorization = IKeystoreAuthorization.Stub.asInterface(
- ServiceManager.getService("android.security.authorization"));
- }
- return sIKeystoreAuthorization;
- }
-
- /**
- * Adds an auth token to keystore2.
- *
- * @param authToken created by Android authenticators.
- * @return 0 if successful or {@code ResponseCode.SYSTEM_ERROR}.
- */
- public int addAuthToken(@NonNull HardwareAuthToken authToken) {
- if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
- try {
- getService().addAuthToken(authToken);
- return 0;
- } catch (RemoteException e) {
- Log.w(TAG, "Can not connect to keystore", e);
- return SYSTEM_ERROR;
- } catch (ServiceSpecificException e) {
- return e.errorCode;
- }
- }
-
- /**
- * Add an auth token to Keystore 2.0 in the legacy serialized auth token format.
- * @param authToken
- * @return 0 if successful or a {@code ResponseCode}.
- */
- public int addAuthToken(@NonNull byte[] authToken) {
- return addAuthToken(AuthTokenUtils.toHardwareAuthToken(authToken));
- }
-
-}
diff --git a/keystore/java/android/security/KeyStore.java b/keystore/java/android/security/KeyStore.java
index 4a67135227dd5b079fa9a82f9b3a27401251f070..c70c986fcd6b60f5364cb05b5307a1aa1e66220c 100644
--- a/keystore/java/android/security/KeyStore.java
+++ b/keystore/java/android/security/KeyStore.java
@@ -996,7 +996,6 @@ public class KeyStore {
*/
public int addAuthToken(byte[] authToken) {
try {
- new Authorization().addAuthToken(authToken);
return mBinder.addAuthToken(authToken);
} catch (RemoteException e) {
Log.w(TAG, "Cannot connect to keystore", e);