diff --git a/garnet/bin/traceutil/actions.go b/garnet/bin/traceutil/actions.go
index d5e323a5ab915c599faaafd85ebb97de3dafe14a..8be4f8946d937ea71be13eaa8a10d0a515c3fa9f 100644
--- a/garnet/bin/traceutil/actions.go
+++ b/garnet/bin/traceutil/actions.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/garnet/bin/traceutil/cmd_convert.go b/garnet/bin/traceutil/cmd_convert.go
index ed7311c5cae75fccbc026c3b51a25bad566b4bd6..d9d6af792a708ac2756e9d765b13e29931342824 100644
--- a/garnet/bin/traceutil/cmd_convert.go
+++ b/garnet/bin/traceutil/cmd_convert.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/garnet/bin/traceutil/cmd_record.go b/garnet/bin/traceutil/cmd_record.go
index 4e2a73f616417204940a12e6ff8990523582ec5d..6fcc3095f25108aa8d711d13fc7821428e374a8c 100644
--- a/garnet/bin/traceutil/cmd_record.go
+++ b/garnet/bin/traceutil/cmd_record.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/garnet/bin/traceutil/main.go b/garnet/bin/traceutil/main.go
index c2cd375a9e324a8019f5bb8441811f6f9d3c2116..b0791c9796f7732dffa0110b53660dd9281e3f34 100644
--- a/garnet/bin/traceutil/main.go
+++ b/garnet/bin/traceutil/main.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/garnet/bin/traceutil/target_connection.go b/garnet/bin/traceutil/target_connection.go
index cb44041ec4892ed61c2205147b76f5645c883a53..60a984692befd8b23f2c1f69dbc00b54200242f3 100644
--- a/garnet/bin/traceutil/target_connection.go
+++ b/garnet/bin/traceutil/target_connection.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/garnet/bin/traceutil/util.go b/garnet/bin/traceutil/util.go
index 2afc500b09c5f1b030eab6b9c93b8cae6b9b3417..1f05250f07a12ada75cabd61f5b2afa92b023335 100644
--- a/garnet/bin/traceutil/util.go
+++ b/garnet/bin/traceutil/util.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (