diff --git a/packages/google-cloud-asset/protos/google/cloud/asset/v1p5beta1/assets.proto b/packages/google-cloud-asset/protos/google/cloud/asset/v1p5beta1/assets.proto
index ed54b0df204..1e91313fdb7 100644
--- a/packages/google-cloud-asset/protos/google/cloud/asset/v1p5beta1/assets.proto
+++ b/packages/google-cloud-asset/protos/google/cloud/asset/v1p5beta1/assets.proto
@@ -24,7 +24,6 @@ import "google/identity/accesscontextmanager/v1/access_policy.proto";
 import "google/identity/accesscontextmanager/v1/service_perimeter.proto";
 import "google/protobuf/struct.proto";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Cloud.Asset.V1p5Beta1";
 option go_package = "cloud.google.com/go/asset/apiv1p5beta1/assetpb;assetpb";
 option java_multiple_files = true;
diff --git a/packages/google-cloud-asset/protos/protos.json b/packages/google-cloud-asset/protos/protos.json
index 30269f2a3b9..a6d0181970a 100644
--- a/packages/google-cloud-asset/protos/protos.json
+++ b/packages/google-cloud-asset/protos/protos.json
@@ -4267,8 +4267,7 @@
                     "java_multiple_files": true,
                     "java_outer_classname": "AssetProto",
                     "java_package": "com.google.cloud.asset.v1p5beta1",
-                    "php_namespace": "Google\\Cloud\\Asset\\V1p5beta1",
-                    "cc_enable_arenas": true
+                    "php_namespace": "Google\\Cloud\\Asset\\V1p5beta1"
                   },
                   "nested": {
                     "AssetService": {