diff --git a/mmv1/products/kms/CryptoKeyVersion.yaml b/mmv1/products/kms/CryptoKeyVersion.yaml
index 0555f0507a1e..846f57396b19 100644
--- a/mmv1/products/kms/CryptoKeyVersion.yaml
+++ b/mmv1/products/kms/CryptoKeyVersion.yaml
@@ -103,23 +103,19 @@ properties:
         name: 'certChains'
         description: |
           The certificate chains needed to validate the attestation
-        output: true
         properties:
           - !ruby/object:Api::Type::String
             name: 'caviumCerts'
             description: |
               Cavium certificate chain corresponding to the attestation.
-            output: true
           - !ruby/object:Api::Type::String
             name: 'googleCardCerts'
             description: |
               Google card certificate chain corresponding to the attestation.
-            output: true
           - !ruby/object:Api::Type::String
             name: 'googlePartitionCerts'
             description: |
               Google partition certificate chain corresponding to the attestation.
-            output: true
       - !ruby/object:Api::Type::NestedObject
         name: 'externalProtectionLevelOptions'
         description: |
diff --git a/mmv1/third_party/terraform/services/kms/resource_kms_crypto_key_test.go b/mmv1/third_party/terraform/services/kms/resource_kms_crypto_key_test.go
index 1018cf1d3949..765e05aba83f 100644
--- a/mmv1/third_party/terraform/services/kms/resource_kms_crypto_key_test.go
+++ b/mmv1/third_party/terraform/services/kms/resource_kms_crypto_key_test.go
@@ -956,7 +956,7 @@ data "google_secret_manager_secret_version" "key_uri" {
 resource "google_kms_crypto_key_version" "crypto_key_version" {
 	crypto_key = google_kms_crypto_key.crypto_key.id
 	external_protection_level_options {
-		external_key_uri = data.google_secret_manager_secret_version.hostname.secret_data
+		external_key_uri = data.google_secret_manager_secret_version.key_uri.secret_data
 	}
 }
 `, projectId, projectId, projectOrg, projectBillingAccount, keyRingName, cryptoKeyName)