diff --git a/hack/custom-boilerplate.go.txt b/hack/custom-boilerplate.go.txt
index e4cd20e380..2b7dbd2b46 100644
--- a/hack/custom-boilerplate.go.txt
+++ b/hack/custom-boilerplate.go.txt
@@ -1,6 +1,4 @@
 /*
-Copyright YEAR The Kubernetes sample-controller Authors.
-
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/pkg/apis/rollouts/v1alpha1/generated.pb.go b/pkg/apis/rollouts/v1alpha1/generated.pb.go
index 7588a653a7..a3fd1dd33d 100644
--- a/pkg/apis/rollouts/v1alpha1/generated.pb.go
+++ b/pkg/apis/rollouts/v1alpha1/generated.pb.go
@@ -1,6 +1,4 @@
 /*
-Copyright 2023 The Kubernetes sample-controller Authors.
-
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/pkg/apis/rollouts/v1alpha1/generated.proto b/pkg/apis/rollouts/v1alpha1/generated.proto
index 57152d87ec..1612197d8b 100644
--- a/pkg/apis/rollouts/v1alpha1/generated.proto
+++ b/pkg/apis/rollouts/v1alpha1/generated.proto
@@ -1,6 +1,4 @@
 /*
-Copyright 2023 The Kubernetes sample-controller Authors.
-
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/pkg/apis/rollouts/v1alpha1/openapi_generated.go b/pkg/apis/rollouts/v1alpha1/openapi_generated.go
index 3b9937ded9..122afd311e 100644
--- a/pkg/apis/rollouts/v1alpha1/openapi_generated.go
+++ b/pkg/apis/rollouts/v1alpha1/openapi_generated.go
@@ -2,8 +2,6 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2023 The Kubernetes sample-controller Authors.
-
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at