diff --git a/keystore/include/keystore/keymaster_tags.h b/keystore/include/keystore/keymaster_tags.h
index b347dbf..05a33cd 100644
--- a/keystore/include/keystore/keymaster_tags.h
+++ b/keystore/include/keystore/keymaster_tags.h
@@ -86,7 +86,6 @@
 
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
-using ::android::hardware::Status;
 
 // The following create the numeric values that KM_TAG_PADDING and KM_TAG_DIGEST used to have.  We
 // need these old values to be able to support old keys that use them.
diff --git a/keystore/key_store_service.cpp b/keystore/key_store_service.cpp
index c2d98bb..cd81674 100644
--- a/keystore/key_store_service.cpp
+++ b/keystore/key_store_service.cpp
@@ -118,6 +118,7 @@
         return ResponseCode::PERMISSION_DENIED;
     }
     String8 name8(name);
+    ALOGI("del %s %d", name8.string(), targetUid);
     String8 filename(mKeyStore->getKeyNameForUidWithDir(name8, targetUid, ::TYPE_ANY));
     ResponseCode result = mKeyStore->del(filename.string(), ::TYPE_ANY, get_user_id(targetUid));
     if (result != ResponseCode::NO_ERROR) {
@@ -578,6 +579,7 @@
     if (!checkBinderPermissionSelfOrSystem(P_CLEAR_UID, targetUid)) {
         return ResponseCode::PERMISSION_DENIED;
     }
+    ALOGI("clear_uid %" PRId64, targetUid64);
 
     String8 prefix = String8::format("%u_", targetUid);
     Vector<String16> aliases;
@@ -1248,6 +1250,8 @@
             case Tag::ATTESTATION_ID_SERIAL:
             case Tag::ATTESTATION_ID_IMEI:
             case Tag::ATTESTATION_ID_MEID:
+            case Tag::ATTESTATION_ID_MANUFACTURER:
+            case Tag::ATTESTATION_ID_MODEL:
                 return true;
             default:
                 break;
@@ -1698,6 +1702,7 @@
     if (responseCode != ResponseCode::NO_ERROR) {
         return responseCode;
     }
+    ALOGI("upgradeKeyBlob %s %d", name8.string(), uid);
 
     auto hidlKey = blob2hidlVec(*blob);
     auto& dev = mKeyStore->getDevice(*blob);
@@ -1712,6 +1717,7 @@
         String8 filename(mKeyStore->getKeyNameForUidWithDir(name8, uid, ::TYPE_KEYMASTER_10));
         error = mKeyStore->del(filename.string(), ::TYPE_ANY, get_user_id(uid));
         if (!error.isOk()) {
+            ALOGI("upgradeKeyBlob keystore->del failed %d", (int)error);
             return;
         }
 
@@ -1722,6 +1728,7 @@
 
         error = mKeyStore->put(filename.string(), &newBlob, get_user_id(uid));
         if (!error.isOk()) {
+            ALOGI("upgradeKeyBlob keystore->put failed %d", (int)error);
             return;
         }
 
diff --git a/keystore/keymaster_enforcement.cpp b/keystore/keymaster_enforcement.cpp
index 8333860..4cee57d 100644
--- a/keystore/keymaster_enforcement.cpp
+++ b/keystore/keymaster_enforcement.cpp
@@ -295,6 +295,8 @@
         case Tag::ATTESTATION_ID_SERIAL:
         case Tag::ATTESTATION_ID_IMEI:
         case Tag::ATTESTATION_ID_MEID:
+        case Tag::ATTESTATION_ID_MANUFACTURER:
+        case Tag::ATTESTATION_ID_MODEL:
             return ErrorCode::INVALID_KEY_BLOB;
 
         /* Tags used for cryptographic parameters in keygen.  Nothing to enforce. */
diff --git a/keystore/legacy_keymaster_device_wrapper.cpp b/keystore/legacy_keymaster_device_wrapper.cpp
index 440eb50..c57bfed 100644
--- a/keystore/legacy_keymaster_device_wrapper.cpp
+++ b/keystore/legacy_keymaster_device_wrapper.cpp
@@ -356,6 +356,8 @@
             case Tag::ATTESTATION_ID_SERIAL:
             case Tag::ATTESTATION_ID_IMEI:
             case Tag::ATTESTATION_ID_MEID:
+            case Tag::ATTESTATION_ID_MANUFACTURER:
+            case Tag::ATTESTATION_ID_MODEL:
                 // Device id attestation may only be supported if the device is able to permanently
                 // destroy its knowledge of the ids. This device is unable to do this, so it must
                 // never perform any device id attestation.