diff --git a/google/cloud/orchestration/airflow/service/v1beta1/environments.proto b/google/cloud/orchestration/airflow/service/v1beta1/environments.proto
index a21e40bdfe..d9612e81d9 100644
--- a/google/cloud/orchestration/airflow/service/v1beta1/environments.proto
+++ b/google/cloud/orchestration/airflow/service/v1beta1/environments.proto
@@ -20,7 +20,9 @@ import "google/api/annotations.proto";
 import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
+import "google/cloud/orchestration/airflow/service/v1beta1/operations.proto";
 import "google/longrunning/operations.proto";
+import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/timestamp.proto";
 
@@ -870,9 +872,6 @@ message NodeConfig {
   // to identify valid sources or targets for network firewalls. Each tag within
   // the list must comply with [RFC1035](https://www.ietf.org/rfc/rfc1035.txt).
   // Cannot be updated.
-  //
-  // This field is supported for Cloud Composer environments in versions
-  // composer-1.*.*-airflow-*.*.*.
   repeated string tags = 8 [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. The IPAllocationPolicy fields for the GKE cluster.