diff --git a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/resources.proto b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/resources.proto
index 7adce715a2b..5cfe6d9bcba 100644
--- a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/resources.proto
+++ b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/resources.proto
@@ -21,7 +21,6 @@ import "google/api/resource.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.SecretManager.V1";
 option go_package = "cloud.google.com/go/secretmanager/apiv1/secretmanagerpb;secretmanagerpb";
 option java_multiple_files = true;
@@ -151,8 +150,8 @@ message Secret {
   google.protobuf.Duration version_destroy_ttl = 14
       [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. The customer-managed encryption configuration of the Regionalised
-  // Secrets. If no configuration is provided, Google-managed default encryption
+  // Optional. The customer-managed encryption configuration of the regionalized
+  // secrets. If no configuration is provided, Google-managed default encryption
   // is used.
   //
   // Updates to the [Secret][google.cloud.secretmanager.v1.Secret] encryption
@@ -244,16 +243,15 @@ message SecretVersion {
   // Optional. Output only. Scheduled destroy time for secret version.
   // This is a part of the Delayed secret version destroy feature. For a
   // Secret with a valid version destroy TTL, when a secert version is
-  // destroyed, the version is moved to disabled state and it is scheduled for
-  // destruction. The version is destroyed only after the
-  // `scheduled_destroy_time`.
+  // destroyed, version is moved to disabled state and it is scheduled for
+  // destruction Version is destroyed only after the scheduled_destroy_time.
   google.protobuf.Timestamp scheduled_destroy_time = 8
       [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The customer-managed encryption status of the
   // [SecretVersion][google.cloud.secretmanager.v1.SecretVersion]. Only
   // populated if customer-managed encryption is used and
-  // [Secret][google.cloud.secretmanager.v1.Secret] is a Regionalised Secret.
+  // [Secret][google.cloud.secretmanager.v1.Secret] is a regionalized secret.
   CustomerManagedEncryptionStatus customer_managed_encryption = 9
       [(google.api.field_behavior) = OUTPUT_ONLY];
 }
@@ -279,7 +277,8 @@ message Replication {
 
   // A replication policy that replicates the
   // [Secret][google.cloud.secretmanager.v1.Secret] payload into the locations
-  // specified in [Secret.replication.user_managed.replicas][]
+  // specified in
+  // [Replication.UserManaged.replicas][google.cloud.secretmanager.v1.Replication.UserManaged.replicas]
   message UserManaged {
     // Represents a Replica for this
     // [Secret][google.cloud.secretmanager.v1.Secret].
@@ -422,12 +421,12 @@ message Topic {
     pattern: "projects/{project}/topics/{topic}"
   };
 
-  // Required. The resource name of the Pub/Sub topic that will be published to,
-  // in the following format: `projects/*/topics/*`. For publication to succeed,
-  // the Secret Manager service agent must have the `pubsub.topic.publish`
-  // permission on the topic. The Pub/Sub Publisher role
+  // Identifier. The resource name of the Pub/Sub topic that will be published
+  // to, in the following format: `projects/*/topics/*`. For publication to
+  // succeed, the Secret Manager service agent must have the
+  // `pubsub.topic.publish` permission on the topic. The Pub/Sub Publisher role
   // (`roles/pubsub.publisher`) includes this permission.
-  string name = 1 [(google.api.field_behavior) = REQUIRED];
+  string name = 1 [(google.api.field_behavior) = IDENTIFIER];
 }
 
 // The rotation time and period for a
diff --git a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/service.proto b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/service.proto
index ad23183b079..15e1bc3af96 100644
--- a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/service.proto
+++ b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1/service.proto
@@ -26,7 +26,6 @@ import "google/iam/v1/policy.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.SecretManager.V1";
 option go_package = "cloud.google.com/go/secretmanager/apiv1/secretmanagerpb;secretmanagerpb";
 option java_multiple_files = true;
diff --git a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/resources.proto b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/resources.proto
index 304a141d2c2..1d355bc4714 100644
--- a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/resources.proto
+++ b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/resources.proto
@@ -21,7 +21,6 @@ import "google/api/resource.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.SecretManager.V1Beta2";
 option go_package = "cloud.google.com/go/secretmanager/apiv1beta2/secretmanagerpb;secretmanagerpb";
 option java_multiple_files = true;
@@ -281,7 +280,8 @@ message Replication {
 
   // A replication policy that replicates the
   // [Secret][google.cloud.secretmanager.v1beta2.Secret] payload into the
-  // locations specified in [Secret.replication.user_managed.replicas][]
+  // locations specified in
+  // [Replication.UserManaged.replicas][google.cloud.secretmanager.v1beta2.Replication.UserManaged.replicas]
   message UserManaged {
     // Represents a Replica for this
     // [Secret][google.cloud.secretmanager.v1beta2.Secret].
diff --git a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/service.proto b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/service.proto
index db9db3f4607..01c32a7f69c 100644
--- a/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/service.proto
+++ b/packages/google-cloud-secretmanager/protos/google/cloud/secretmanager/v1beta2/service.proto
@@ -26,7 +26,6 @@ import "google/iam/v1/policy.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.SecretManager.V1Beta2";
 option go_package = "cloud.google.com/go/secretmanager/apiv1beta2/secretmanagerpb;secretmanagerpb";
 option java_multiple_files = true;
diff --git a/packages/google-cloud-secretmanager/protos/protos.json b/packages/google-cloud-secretmanager/protos/protos.json
index bbd86a0959e..84b69cf0ca4 100644
--- a/packages/google-cloud-secretmanager/protos/protos.json
+++ b/packages/google-cloud-secretmanager/protos/protos.json
@@ -11,7 +11,6 @@
               "nested": {
                 "v1": {
                   "options": {
-                    "cc_enable_arenas": true,
                     "csharp_namespace": "Google.Cloud.SecretManager.V1",
                     "go_package": "cloud.google.com/go/secretmanager/apiv1/secretmanagerpb;secretmanagerpb",
                     "java_multiple_files": true,
@@ -371,7 +370,7 @@
                           "type": "string",
                           "id": 1,
                           "options": {
-                            "(google.api.field_behavior)": "REQUIRED"
+                            "(google.api.field_behavior)": "IDENTIFIER"
                           }
                         }
                       }
@@ -1069,7 +1068,6 @@
                 },
                 "v1beta2": {
                   "options": {
-                    "cc_enable_arenas": true,
                     "csharp_namespace": "Google.Cloud.SecretManager.V1Beta2",
                     "go_package": "cloud.google.com/go/secretmanager/apiv1beta2/secretmanagerpb;secretmanagerpb",
                     "java_multiple_files": true,