diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
index 07409f6..7241984 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.cpp
@@ -201,22 +201,6 @@
     CheckedDeleteKey(&key_blob_);
 }
 
-void KeymasterHidlTest::CheckCreationDateTime(
-        const AuthorizationSet& sw_enforced,
-        std::chrono::time_point<std::chrono::system_clock> creation) {
-    for (int i = 0; i < sw_enforced.size(); i++) {
-        if (sw_enforced[i].tag == TAG_CREATION_DATETIME) {
-            std::chrono::time_point<std::chrono::system_clock> now =
-                    std::chrono::system_clock::now();
-            std::chrono::time_point<std::chrono::system_clock> reported_time{
-                    std::chrono::milliseconds(sw_enforced[i].f.dateTime)};
-            // The test is flaky for EC keys, so a buffer time of 120 seconds will be added.
-            EXPECT_LE(creation - std::chrono::seconds(120), reported_time);
-            EXPECT_LE(reported_time, now + std::chrono::seconds(1));
-        }
-    }
-}
-
 void KeymasterHidlTest::CheckGetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
                                                 const HidlBuf& app_data,
                                                 KeyCharacteristics* key_characteristics) {
diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.h b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
index adceead..4bd8b26 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.h
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
@@ -113,9 +113,6 @@
     void CheckedDeleteKey(HidlBuf* key_blob, bool keep_key_blob = false);
     void CheckedDeleteKey();
 
-    static void CheckCreationDateTime(const AuthorizationSet& sw_enforced,
-                                      std::chrono::time_point<std::chrono::system_clock> creation);
-
     void CheckGetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
                                  const HidlBuf& app_data, KeyCharacteristics* key_characteristics);
     ErrorCode GetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id,
diff --git a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
index f78eb43..194c438 100644
--- a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -320,8 +320,7 @@
 bool verify_attestation_record(const string& challenge, const string& app_id,
                                AuthorizationSet expected_sw_enforced,
                                AuthorizationSet expected_hw_enforced, SecurityLevel security_level,
-                               const hidl_vec<uint8_t>& attestation_cert,
-                               std::chrono::time_point<std::chrono::system_clock> creation_time) {
+                               const hidl_vec<uint8_t>& attestation_cert) {
     X509_Ptr cert(parse_cert_blob(attestation_cert));
     EXPECT_TRUE(!!cert.get());
     if (!cert.get()) return false;
@@ -405,8 +404,6 @@
     EXPECT_FALSE(expected_hw_enforced.Contains(TAG_TRUSTED_USER_PRESENCE_REQUIRED));
     EXPECT_FALSE(att_hw_enforced.Contains(TAG_TRUSTED_USER_PRESENCE_REQUIRED));
 
-    KeymasterHidlTest::CheckCreationDateTime(att_sw_enforced, creation_time);
-
     if (att_hw_enforced.Contains(TAG_ALGORITHM, Algorithm::EC)) {
         // For ECDSA keys, either an EC_CURVE or a KEY_SIZE can be specified, but one must be.
         EXPECT_TRUE(att_hw_enforced.Contains(TAG_EC_CURVE) ||
@@ -559,24 +556,6 @@
 }
 
 /*
- * NewKeyGenerationTest.RsaCheckCreationDateTime
- *
- * Verifies that creation date time is correct.
- */
-TEST_P(NewKeyGenerationTest, RsaCheckCreationDateTime) {
-    KeyCharacteristics key_characteristics;
-    auto creation_time = std::chrono::system_clock::now();
-    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
-                                                 .Authorization(TAG_NO_AUTH_REQUIRED)
-                                                 .RsaSigningKey(2048, 3)
-                                                 .Digest(Digest::NONE)
-                                                 .Padding(PaddingMode::NONE)));
-    GetCharacteristics(key_blob_, &key_characteristics);
-    AuthorizationSet sw_enforced = key_characteristics.softwareEnforced;
-    CheckCreationDateTime(sw_enforced, creation_time);
-}
-
-/*
  * NewKeyGenerationTest.NoInvalidRsaSizes
  *
  * Verifies that keymaster cannot generate any RSA key sizes that are designated as invalid.
@@ -641,23 +620,6 @@
 }
 
 /*
- * NewKeyGenerationTest.EcCheckCreationDateTime
- *
- * Verifies that creation date time is correct.
- */
-TEST_P(NewKeyGenerationTest, EcCheckCreationDateTime) {
-    KeyCharacteristics key_characteristics;
-    auto creation_time = std::chrono::system_clock::now();
-    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
-                                                 .Authorization(TAG_NO_AUTH_REQUIRED)
-                                                 .EcdsaSigningKey(256)
-                                                 .Digest(Digest::NONE)));
-    GetCharacteristics(key_blob_, &key_characteristics);
-    AuthorizationSet sw_enforced = key_characteristics.softwareEnforced;
-    CheckCreationDateTime(sw_enforced, creation_time);
-}
-
-/*
  * NewKeyGenerationTest.EcdsaDefaultSize
  *
  * Verifies that failing to specify a key size for EC key generation returns UNSUPPORTED_KEY_SIZE.
@@ -4238,7 +4200,6 @@
  * Verifies that attesting to RSA keys works and generates the expected output.
  */
 TEST_P(AttestationTest, RsaAttestation) {
-    auto creation_time = std::chrono::system_clock::now();
     ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
                                              .Authorization(TAG_NO_AUTH_REQUIRED)
                                              .RsaSigningKey(2048, 65537)
@@ -4263,7 +4224,7 @@
     EXPECT_TRUE(verify_attestation_record("challenge", "foo",                     //
                                           key_characteristics_.softwareEnforced,  //
                                           key_characteristics_.hardwareEnforced,  //
-                                          SecLevel(), cert_chain[0], creation_time));
+                                          SecLevel(), cert_chain[0]));
 }
 
 /*
@@ -4292,7 +4253,6 @@
  * Verifies that attesting to EC keys works and generates the expected output.
  */
 TEST_P(AttestationTest, EcAttestation) {
-    auto creation_time = std::chrono::system_clock::now();
     ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
                                              .Authorization(TAG_NO_AUTH_REQUIRED)
                                              .EcdsaSigningKey(EcCurve::P_256)
@@ -4314,7 +4274,7 @@
     EXPECT_TRUE(verify_attestation_record("challenge", "foo",                     //
                                           key_characteristics_.softwareEnforced,  //
                                           key_characteristics_.hardwareEnforced,  //
-                                          SecLevel(), cert_chain[0], creation_time));
+                                          SecLevel(), cert_chain[0]));
 }
 
 /*
@@ -4347,7 +4307,6 @@
 TEST_P(AttestationTest, AttestationApplicationIDLengthProperlyEncoded) {
     std::vector<uint32_t> app_id_lengths{143, 258};
     for (uint32_t length : app_id_lengths) {
-        auto creation_time = std::chrono::system_clock::now();
         ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
                                                      .Authorization(TAG_NO_AUTH_REQUIRED)
                                                      .EcdsaSigningKey(EcCurve::P_256)
@@ -4365,7 +4324,7 @@
         EXPECT_TRUE(verify_attestation_record("challenge", app_id,                    //
                                               key_characteristics_.softwareEnforced,  //
                                               key_characteristics_.hardwareEnforced,  //
-                                              SecLevel(), cert_chain[0], creation_time));
+                                              SecLevel(), cert_chain[0]));
         CheckedDeleteKey();
     }
 }