diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index f42f228e88992bd037474ae4c20df6934bfd8674..9c228c55e1fb782f5f95a04760b7a41f36235a9e 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * builtin-ftrace.c
  *
  * Copyright (c) 2013  LG Electronics,  Namhyung Kim <namhyung@kernel.org>
- *
- * Released under the GPL v2.
  */
 
 #include "builtin.h"
diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c
index 21c4d9b23c249e6e59db3ca8738b69444de2e8c8..3852d07c49bdf7bc9ddff26cb20957b9b214263f 100644
--- a/tools/perf/util/target.c
+++ b/tools/perf/util/target.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Helper functions for handling target threads/cpus
  *
  * Copyright (C) 2012, LG Electronics, Namhyung Kim <namhyung.kim@lge.com>
- *
- * Released under the GPL v2.
  */
 
 #include "target.h"