diff --git a/osbase/tpm/credactivation_compat.go b/osbase/tpm/credactivation_compat.go
index 2c5ee3b..5d54ee3 100644
--- a/osbase/tpm/credactivation_compat.go
+++ b/osbase/tpm/credactivation_compat.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 package tpm
 
diff --git a/osbase/tpm/eventlog/compat.go b/osbase/tpm/eventlog/compat.go
index f83972b..c2210d2 100644
--- a/osbase/tpm/eventlog/compat.go
+++ b/osbase/tpm/eventlog/compat.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 package eventlog
 
diff --git a/osbase/tpm/eventlog/eventlog.go b/osbase/tpm/eventlog/eventlog.go
index 2166e54..39d076b 100644
--- a/osbase/tpm/eventlog/eventlog.go
+++ b/osbase/tpm/eventlog/eventlog.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 // Taken and pruned from go-attestation revision
 // 2453c8f39a4ff46009f6a9db6fb7c6cca789d9a1 under Apache 2.0
diff --git a/osbase/tpm/eventlog/internal/events.go b/osbase/tpm/eventlog/internal/events.go
index 23b00c2..fdc18d5 100644
--- a/osbase/tpm/eventlog/internal/events.go
+++ b/osbase/tpm/eventlog/internal/events.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 // Taken from go-attestation under Apache 2.0
 package internal
diff --git a/osbase/tpm/eventlog/secureboot.go b/osbase/tpm/eventlog/secureboot.go
index 1e870ad..4ce5696 100644
--- a/osbase/tpm/eventlog/secureboot.go
+++ b/osbase/tpm/eventlog/secureboot.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 // Taken and pruned from go-attestation under Apache 2.0
 package eventlog
diff --git a/osbase/tpm/proto/gomod-generated-placeholder.go b/osbase/tpm/proto/gomod-generated-placeholder.go
index 92256db..5805fe0 100644
--- a/osbase/tpm/proto/gomod-generated-placeholder.go
+++ b/osbase/tpm/proto/gomod-generated-placeholder.go
@@ -1 +1,4 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package proto
diff --git a/osbase/tpm/tpm.go b/osbase/tpm/tpm.go
index f664c75..f15517d 100644
--- a/osbase/tpm/tpm.go
+++ b/osbase/tpm/tpm.go
@@ -1,18 +1,5 @@
-// Copyright 2020 The Monogon Project Authors.
-//
+// Copyright The Monogon Project Authors.
 // SPDX-License-Identifier: Apache-2.0
-//
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 
 package tpm