diff --git a/security/keymint/aidl/Android.bp b/security/keymint/aidl/Android.bp
index b5adac9..5652827 100644
--- a/security/keymint/aidl/Android.bp
+++ b/security/keymint/aidl/Android.bp
@@ -4,6 +4,9 @@
     srcs: [
         "android/hardware/security/keymint/*.aidl",
     ],
+    imports: [
+        "android.hardware.security.secureclock",
+    ],
     stability: "vintf",
     backend: {
         java: {
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/HardwareAuthToken.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/HardwareAuthToken.aidl
index 0d43d8d..ad5bf39 100644
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/HardwareAuthToken.aidl
+++ b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/HardwareAuthToken.aidl
@@ -23,6 +23,6 @@
   long userId;
   long authenticatorId;
   android.hardware.security.keymint.HardwareAuthenticatorType authenticatorType;
-  android.hardware.security.keymint.Timestamp timestamp;
+  android.hardware.security.secureclock.Timestamp timestamp;
   byte[] mac;
 }
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintDevice.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintDevice.aidl
index 07c2844..c95145d 100644
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintDevice.aidl
+++ b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintDevice.aidl
@@ -20,7 +20,6 @@
 @VintfStability
 interface IKeyMintDevice {
   android.hardware.security.keymint.KeyMintHardwareInfo getHardwareInfo();
-  android.hardware.security.keymint.VerificationToken verifyAuthorization(in long challenge, in android.hardware.security.keymint.HardwareAuthToken token);
   void addRngEntropy(in byte[] data);
   android.hardware.security.keymint.KeyCreationResult generateKey(in android.hardware.security.keymint.KeyParameter[] keyParams);
   android.hardware.security.keymint.KeyCreationResult importKey(in android.hardware.security.keymint.KeyParameter[] keyParams, in android.hardware.security.keymint.KeyFormat keyFormat, in byte[] keyData);
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintOperation.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintOperation.aidl
index 08aa00a..e6ab4c8 100644
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintOperation.aidl
+++ b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/IKeyMintOperation.aidl
@@ -19,7 +19,7 @@
 package android.hardware.security.keymint;
 @VintfStability
 interface IKeyMintOperation {
-  int update(in @nullable android.hardware.security.keymint.KeyParameterArray inParams, in @nullable byte[] input, in @nullable android.hardware.security.keymint.HardwareAuthToken inAuthToken, in @nullable android.hardware.security.keymint.VerificationToken inVerificationToken, out @nullable android.hardware.security.keymint.KeyParameterArray outParams, out @nullable android.hardware.security.keymint.ByteArray output);
-  byte[] finish(in @nullable android.hardware.security.keymint.KeyParameterArray inParams, in @nullable byte[] input, in @nullable byte[] inSignature, in @nullable android.hardware.security.keymint.HardwareAuthToken authToken, in @nullable android.hardware.security.keymint.VerificationToken inVerificationToken, out @nullable android.hardware.security.keymint.KeyParameterArray outParams);
+  int update(in @nullable android.hardware.security.keymint.KeyParameterArray inParams, in @nullable byte[] input, in @nullable android.hardware.security.keymint.HardwareAuthToken inAuthToken, in @nullable android.hardware.security.secureclock.TimeStampToken inTimeStampToken, out @nullable android.hardware.security.keymint.KeyParameterArray outParams, out @nullable android.hardware.security.keymint.ByteArray output);
+  byte[] finish(in @nullable android.hardware.security.keymint.KeyParameterArray inParams, in @nullable byte[] input, in @nullable byte[] inSignature, in @nullable android.hardware.security.keymint.HardwareAuthToken authToken, in @nullable android.hardware.security.secureclock.TimeStampToken inTimeStampToken, out @nullable android.hardware.security.keymint.KeyParameterArray outParams);
   void abort();
 }
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/Timestamp.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/Timestamp.aidl
deleted file mode 100644
index 963e66e..0000000
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/Timestamp.aidl
+++ /dev/null
@@ -1,23 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.security.keymint;
-@VintfStability
-parcelable Timestamp {
-  long milliSeconds;
-}
diff --git a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/VerificationToken.aidl b/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/VerificationToken.aidl
deleted file mode 100644
index 7dc556c..0000000
--- a/security/keymint/aidl/aidl_api/android.hardware.security.keymint/current/android/hardware/security/keymint/VerificationToken.aidl
+++ /dev/null
@@ -1,26 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.security.keymint;
-@VintfStability
-parcelable VerificationToken {
-  long challenge;
-  android.hardware.security.keymint.Timestamp timestamp;
-  android.hardware.security.keymint.SecurityLevel securityLevel;
-  byte[] mac;
-}
diff --git a/security/keymint/aidl/android/hardware/security/keymint/HardwareAuthToken.aidl b/security/keymint/aidl/android/hardware/security/keymint/HardwareAuthToken.aidl
index 12d615f..1067540 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/HardwareAuthToken.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/HardwareAuthToken.aidl
@@ -16,7 +16,7 @@
 
 package android.hardware.security.keymint;
 
-import android.hardware.security.keymint.Timestamp;
+import android.hardware.security.secureclock.Timestamp;
 import android.hardware.security.keymint.HardwareAuthenticatorType;
 
 /**
diff --git a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
index 820e135..d5f7a1f 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
@@ -26,7 +26,7 @@
 import android.hardware.security.keymint.KeyMintHardwareInfo;
 import android.hardware.security.keymint.KeyPurpose;
 import android.hardware.security.keymint.SecurityLevel;
-import android.hardware.security.keymint.VerificationToken;
+import android.hardware.security.secureclock.TimeStampToken;
 
 /**
  * KeyMint device definition.
@@ -223,34 +223,6 @@
     KeyMintHardwareInfo getHardwareInfo();
 
     /**
-     * Verify authorizations for another IKeyMintDevice instance.
-     *
-     * On systems with both a StrongBox and a TEE IKeyMintDevice instance it is sometimes useful
-     * to ask the TEE KeyMintDevice to verify authorizations for a key hosted in StrongBox.
-     *
-     * For every StrongBox operation, Keystore is required to call this method on the TEE KeyMint,
-     * passing in the StrongBox key's hardwareEnforced authorization list and the challenge
-     * returned by StrongBox begin().  Keystore must then pass the VerificationToken to the
-     * subsequent invocations of StrongBox update() and finish().
-     *
-     * StrongBox implementations must return ErrorCode::UNIMPLEMENTED.
-     *
-     * @param the challenge returned by StrongBox's keyMint's begin().
-     *
-     * @param authToken A HardwareAuthToken if needed to authorize key usage.
-     *
-     * @return error ErrorCode::OK on success or ErrorCode::UNIMPLEMENTED if the KeyMintDevice is
-     *         a StrongBox.  If the IKeyMintDevice cannot verify one or more elements of
-     *         parametersToVerify it must not return an error code, but just omit the unverified
-     *         parameter from the VerificationToken.
-     *
-     * @return token the verification token.  See VerificationToken in VerificationToken.aidl for
-     *         details.
-     */
-    VerificationToken verifyAuthorization(in long challenge,
-                                          in HardwareAuthToken token);
-
-    /**
      * Adds entropy to the RNG used by KeyMint.  Entropy added through this method must not be the
      * only source of entropy used, and a secure mixing function must be used to mix the entropy
      * provided by this method with internally-generated entropy.  The mixing function must be
diff --git a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintOperation.aidl b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintOperation.aidl
index 24960cc..8c49602 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintOperation.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintOperation.aidl
@@ -20,7 +20,7 @@
 import android.hardware.security.keymint.HardwareAuthToken;
 import android.hardware.security.keymint.KeyParameter;
 import android.hardware.security.keymint.KeyParameterArray;
-import android.hardware.security.keymint.VerificationToken;
+import android.hardware.security.secureclock.TimeStampToken;
 
 @VintfStability
 interface IKeyMintOperation {
@@ -119,10 +119,9 @@
      * @param input Data to be processed.  Note that update() may or may not consume all of the data
      *        provided.  See return value.
      *
-     * @param verificationToken Verification token, used to prove that another IKeymasterDevice HAL
-     *        has verified some parameters, and to deliver the other HAL's current timestamp, if
-     *        needed.  If not provided, all fields must be initialized to zero and vectors must be
-     *        empty.
+     * @param inTimeStampToken timestamp token, certifies the freshness of an auth token in case
+     *        the security domain of this KeyMint instance has a different clock than the
+     *        authenticator issuing the auth token.
      *
      * @return error Returns ErrorCode encountered in keymint as service specific errors. See the
      *         ErrorCode enum in ErrorCode.aidl.
@@ -141,7 +140,7 @@
     int update(in @nullable KeyParameterArray inParams,
                in @nullable byte[] input,
                in @nullable HardwareAuthToken inAuthToken,
-               in @nullable VerificationToken inVerificationToken,
+               in @nullable TimeStampToken inTimeStampToken,
                out @nullable KeyParameterArray outParams,
                out @nullable ByteArray output);
 
@@ -241,9 +240,9 @@
      *
      * @param authToken Authentication token. Can be nullable if not provided.
      *
-     * @param verificationToken Verification token, used to prove that another IKeyMintDevice HAL
-     *        has verified some parameters, and to deliver the other HAL's current timestamp, if
-     *        needed. Can be nullable if not needed.
+     * @param inTimeStampToken timestamp token, certifies the freshness of an auth token in case
+     *        the security domain of this KeyMint instance has a different clock than the
+     *        authenticator issuing the auth token.
      *
      * @return outParams Any output parameters generated by finish().
      *
@@ -252,7 +251,7 @@
     byte[] finish(in @nullable KeyParameterArray inParams, in @nullable byte[] input,
                 in @nullable byte[] inSignature,
                 in @nullable HardwareAuthToken authToken,
-                in @nullable VerificationToken inVerificationToken,
+                in @nullable TimeStampToken inTimeStampToken,
                 out @nullable KeyParameterArray outParams);
 
     /**
diff --git a/security/keymint/aidl/android/hardware/security/keymint/Timestamp.aidl b/security/keymint/aidl/android/hardware/security/keymint/Timestamp.aidl
deleted file mode 100644
index ebb3684..0000000
--- a/security/keymint/aidl/android/hardware/security/keymint/Timestamp.aidl
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright 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.hardware.security.keymint;
-
-/**
- * Time in milliseconds since some arbitrary point in time.  Time must be monotonically increasing,
- * and a secure environment's notion of "current time" must not repeat until the Android device
- * reboots, or until at least 50 million years have elapsed (note that this requirement is satisfied
- * by setting the clock to zero during each boot, and then counting time accurately).
- */
-@VintfStability
-parcelable Timestamp {
-    long milliSeconds;
-}
diff --git a/security/keymint/aidl/android/hardware/security/keymint/VerificationToken.aidl b/security/keymint/aidl/android/hardware/security/keymint/VerificationToken.aidl
deleted file mode 100644
index f76e6a8..0000000
--- a/security/keymint/aidl/android/hardware/security/keymint/VerificationToken.aidl
+++ /dev/null
@@ -1,63 +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.hardware.security.keymint;
-
-import android.hardware.security.keymint.SecurityLevel;
-import android.hardware.security.keymint.Timestamp;
-
-/**
- * VerificationToken instances are used for secure environments to authenticate one another.
- *
- * This version of the parcelable currently don't use the parametersVerified field since it's not
- * needed for time-based verification. This can be added in a later version, if needed.
- */
-@VintfStability
-parcelable VerificationToken {
-    /**
-     * The operation handle, used to ensure freshness.
-     */
-    long challenge;
-
-    /**
-     * The current time of the secure environment that generates the VerificationToken.  This can be
-     * checked against auth tokens generated by the same secure environment, which avoids needing to
-     * synchronize clocks.
-     */
-    Timestamp timestamp;
-
-    /**
-     * SecurityLevel of the secure environment that generated the token.
-     */
-    SecurityLevel securityLevel;
-
-    /**
-     * 32-byte HMAC-SHA256 of the above values, computed as:
-     *
-     *    HMAC(H,
-     *         "Auth Verification" || challenge || timestamp || securityLevel)
-     *
-     * where:
-     *
-     *   ``HMAC'' is the shared HMAC key (see computeSharedHmac() in IKeyMint).
-     *
-     *   ``||'' represents concatenation
-     *
-     * The representation of challenge and timestamp is as 64-bit unsigned integers in big-endian
-     * order.  securityLevel is represented as a 32-bit unsigned integer in big-endian order.
-     */
-    byte[] mac;
-}
diff --git a/security/keymint/aidl/vts/functional/Android.bp b/security/keymint/aidl/vts/functional/Android.bp
index c7cc380..17a4613 100644
--- a/security/keymint/aidl/vts/functional/Android.bp
+++ b/security/keymint/aidl/vts/functional/Android.bp
@@ -22,7 +22,6 @@
     ],
     srcs: [
         "KeyMintTest.cpp",
-        "VerificationTokenTest.cpp",
     ],
     shared_libs: [
         "libbinder_ndk",
@@ -32,6 +31,7 @@
     ],
     static_libs: [
         "android.hardware.security.keymint-unstable-ndk_platform",
+        "android.hardware.security.secureclock-unstable-ndk_platform",
         "libcppbor_external",
         "libkeymint_vts_test_utils",
     ],
@@ -61,6 +61,7 @@
     ],
     static_libs: [
         "android.hardware.security.keymint-unstable-ndk_platform",
+        "android.hardware.security.secureclock-unstable-ndk_platform",
         "libcppbor",
     ],
 }
diff --git a/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp b/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp
deleted file mode 100644
index 0b1eccd..0000000
--- a/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp
+++ /dev/null
@@ -1,168 +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.
- */
-
-#include "KeyMintAidlTestBase.h"
-
-namespace aidl::android::hardware::security::keymint::test {
-
-class VerificationTokenTest : public KeyMintAidlTestBase {
-  protected:
-    struct VerifyAuthorizationResult {
-        ErrorCode error;
-        VerificationToken token;
-    };
-
-    VerifyAuthorizationResult verifyAuthorization(uint64_t operationHandle,
-                                                  const HardwareAuthToken& authToken) {
-        VerifyAuthorizationResult result;
-
-        Status err;
-        err = keyMint().verifyAuthorization(operationHandle,  //
-                                            authToken,        //
-                                            &result.token);
-
-        result.error = GetReturnErrorCode(err);
-        return result;
-    }
-
-    uint64_t getTime() {
-        struct timespec timespec;
-        EXPECT_EQ(0, clock_gettime(CLOCK_BOOTTIME, &timespec));
-        return timespec.tv_sec * 1000 + timespec.tv_nsec / 1000000;
-    }
-
-    int sleep_ms(uint32_t milliseconds) {
-        struct timespec sleep_time = {static_cast<time_t>(milliseconds / 1000),
-                                      static_cast<long>(milliseconds % 1000) * 1000000};
-        while (sleep_time.tv_sec || sleep_time.tv_nsec) {
-            if (nanosleep(&sleep_time /* to wait */,
-                          &sleep_time /* remaining (on interrruption) */) == 0) {
-                sleep_time = {};
-            } else {
-                if (errno != EINTR) return errno;
-            }
-        }
-        return 0;
-    }
-};
-
-/*
- * VerificationTokens exist to facilitate cross-KeyMint verification of requirements.  As
- * such, the precise capabilities required will vary depending on the specific vendor
- * implementations. Essentially, VerificationTokens are a "hook" to enable vendor
- * implementations to communicate, so the precise usage is defined by those vendors.  The only
- * thing we really can test is that tokens can be created by TEE keyMints, and that the
- * timestamps increase as expected.
- */
-TEST_P(VerificationTokenTest, TestCreation) {
-    auto result1 = verifyAuthorization(1 /* operation handle */, HardwareAuthToken());
-    auto result1_time = getTime();
-
-    if (SecLevel() == SecurityLevel::STRONGBOX) {
-        // StrongBox should not implement verifyAuthorization.
-        EXPECT_EQ(ErrorCode::UNIMPLEMENTED, result1.error);
-        return;
-    }
-
-    ASSERT_EQ(ErrorCode::OK, result1.error);
-    EXPECT_EQ(1U, result1.token.challenge);
-    EXPECT_EQ(SecLevel(), result1.token.securityLevel);
-    EXPECT_GT(result1.token.timestamp.milliSeconds, 0U);
-
-    constexpr uint32_t time_to_sleep = 200;
-    sleep_ms(time_to_sleep);
-
-    auto result2 = verifyAuthorization(2 /* operation handle */, HardwareAuthToken());
-
-    auto result2_time = getTime();
-    ASSERT_EQ(ErrorCode::OK, result2.error);
-    EXPECT_EQ(2U, result2.token.challenge);
-    EXPECT_EQ(SecLevel(), result2.token.securityLevel);
-
-    auto host_time_delta = result2_time - result1_time;
-
-    EXPECT_GE(host_time_delta, time_to_sleep)
-            << "We slept for " << time_to_sleep << " ms, the clock must have advanced by that much";
-    EXPECT_LE(host_time_delta, time_to_sleep + 20)
-            << "The verifyAuthorization call took " << (host_time_delta - time_to_sleep)
-            << " ms?  That's awful!";
-
-    auto km_time_delta =
-            result2.token.timestamp.milliSeconds - result1.token.timestamp.milliSeconds;
-
-    // If not too much else is going on on the system, the time delta should be quite close.  Allow
-    // 2 ms of slop just to avoid test flakiness.
-    //
-    // TODO(swillden): see if we can output values so they can be gathered across many runs and
-    // report if times aren't nearly always <1ms apart.
-    EXPECT_LE(host_time_delta, km_time_delta + 2);
-    EXPECT_LE(km_time_delta, host_time_delta + 2);
-    ASSERT_EQ(result1.token.mac.size(), result2.token.mac.size());
-    ASSERT_NE(0,
-              memcmp(result1.token.mac.data(), result2.token.mac.data(), result1.token.mac.size()));
-}
-
-/*
- * Test that the mac changes when the time stamp changes. This is does not guarantee that the time
- * stamp is included in the mac but on failure we know that it is not. Other than in the test
- * case above we call verifyAuthorization with the exact same set of parameters.
- */
-TEST_P(VerificationTokenTest, MacChangesOnChangingTimestamp) {
-    auto result1 = verifyAuthorization(0 /* operation handle */, HardwareAuthToken());
-    auto result1_time = getTime();
-
-    if (SecLevel() == SecurityLevel::STRONGBOX) {
-        // StrongBox should not implement verifyAuthorization.
-        EXPECT_EQ(ErrorCode::UNIMPLEMENTED, result1.error);
-        return;
-    }
-
-    EXPECT_EQ(ErrorCode::OK, result1.error);
-    EXPECT_EQ(0U, result1.token.challenge);
-    EXPECT_EQ(SecLevel(), result1.token.securityLevel);
-    EXPECT_GT(result1.token.timestamp.milliSeconds, 0U);
-
-    constexpr uint32_t time_to_sleep = 200;
-    sleep_ms(time_to_sleep);
-
-    auto result2 = verifyAuthorization(0 /* operation handle */, HardwareAuthToken());
-    // ASSERT_TRUE(result2.callSuccessful);
-    auto result2_time = getTime();
-    EXPECT_EQ(ErrorCode::OK, result2.error);
-    EXPECT_EQ(0U, result2.token.challenge);
-    EXPECT_EQ(SecLevel(), result2.token.securityLevel);
-
-    auto host_time_delta = result2_time - result1_time;
-
-    EXPECT_GE(host_time_delta, time_to_sleep)
-            << "We slept for " << time_to_sleep << " ms, the clock must have advanced by that much";
-    EXPECT_LE(host_time_delta, time_to_sleep + 20)
-            << "The verifyAuthorization call took " << (host_time_delta - time_to_sleep)
-            << " ms?  That's awful!";
-
-    auto km_time_delta =
-            result2.token.timestamp.milliSeconds - result1.token.timestamp.milliSeconds;
-
-    EXPECT_LE(host_time_delta, km_time_delta + 2);
-    EXPECT_LE(km_time_delta, host_time_delta + 2);
-    ASSERT_EQ(result1.token.mac.size(), result2.token.mac.size());
-    ASSERT_NE(0,
-              memcmp(result1.token.mac.data(), result2.token.mac.data(), result1.token.mac.size()));
-}
-
-INSTANTIATE_KEYMINT_AIDL_TEST(VerificationTokenTest);
-
-}  // namespace aidl::android::hardware::security::keymint::test