diff --git a/google/services/artifactregistry/resource_artifact_registry_rule_test.go b/google/services/artifactregistry/resource_artifact_registry_rule_test.go
index 7328013155d..f6d7feec913 100644
--- a/google/services/artifactregistry/resource_artifact_registry_rule_test.go
+++ b/google/services/artifactregistry/resource_artifact_registry_rule_test.go
@@ -1,5 +1,3 @@
-// Copyright IBM Corp. 2014, 2026
-// SPDX-License-Identifier: MPL-2.0
 // ----------------------------------------------------------------------------
 //
 //     ***     AUTO GENERATED CODE    ***    Type: Handwritten     ***
diff --git a/google/services/resourcemanager/ephemeral_google_service_account_key.go b/google/services/resourcemanager/ephemeral_google_service_account_key.go
index 3d5bfd75e16..9cda7f38308 100644
--- a/google/services/resourcemanager/ephemeral_google_service_account_key.go
+++ b/google/services/resourcemanager/ephemeral_google_service_account_key.go
@@ -1,5 +1,3 @@
-// Copyright IBM Corp. 2014, 2026
-// SPDX-License-Identifier: MPL-2.0
 // ----------------------------------------------------------------------------
 //
 //	***     AUTO GENERATED CODE    ***    Type: Handwritten     ***
diff --git a/google/tpgiamresource/resource_iam_member_list.go b/google/tpgiamresource/resource_iam_member_list.go
index 5e1b2d65f50..c60465805b0 100644
--- a/google/tpgiamresource/resource_iam_member_list.go
+++ b/google/tpgiamresource/resource_iam_member_list.go
@@ -1,5 +1,3 @@
-// Copyright IBM Corp. 2014, 2026
-// SPDX-License-Identifier: MPL-2.0
 // ----------------------------------------------------------------------------
 //
 //     ***     AUTO GENERATED CODE    ***    Type: Handwritten     ***
@@ -14,7 +12,7 @@
 //     overwritten during the next generation cycle.
 //
 // ----------------------------------------------------------------------------
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2014, 2026
 // SPDX-License-Identifier: MPL-2.0
 
 // IAM list resources enumerate rows for google_*_iam_member instances by reading