diff --git a/poky/scripts/lib/checklayer/__init__.py b/poky/scripts/lib/checklayer/__init__.py
index 670f0ee..8244cf0 100644
--- a/poky/scripts/lib/checklayer/__init__.py
+++ b/poky/scripts/lib/checklayer/__init__.py
@@ -1,7 +1,9 @@
 # Yocto Project layer check tool
 #
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import re
diff --git a/poky/scripts/lib/checklayer/case.py b/poky/scripts/lib/checklayer/case.py
index 9dd0041..fa9dee3 100644
--- a/poky/scripts/lib/checklayer/case.py
+++ b/poky/scripts/lib/checklayer/case.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 from oeqa.core.case import OETestCase
 
diff --git a/poky/scripts/lib/checklayer/cases/bsp.py b/poky/scripts/lib/checklayer/cases/bsp.py
index b6b611b..7fd56f5 100644
--- a/poky/scripts/lib/checklayer/cases/bsp.py
+++ b/poky/scripts/lib/checklayer/cases/bsp.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import unittest
 
diff --git a/poky/scripts/lib/checklayer/cases/common.py b/poky/scripts/lib/checklayer/cases/common.py
index 1bef61b..8ffe028 100644
--- a/poky/scripts/lib/checklayer/cases/common.py
+++ b/poky/scripts/lib/checklayer/cases/common.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import glob
 import os
diff --git a/poky/scripts/lib/checklayer/cases/distro.py b/poky/scripts/lib/checklayer/cases/distro.py
index df1b303..f0bee54 100644
--- a/poky/scripts/lib/checklayer/cases/distro.py
+++ b/poky/scripts/lib/checklayer/cases/distro.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import unittest
 
diff --git a/poky/scripts/lib/checklayer/context.py b/poky/scripts/lib/checklayer/context.py
index 1bec2c4..4de8f66 100644
--- a/poky/scripts/lib/checklayer/context.py
+++ b/poky/scripts/lib/checklayer/context.py
@@ -1,5 +1,7 @@
 # Copyright (C) 2017 Intel Corporation
-# Released under the MIT license (see COPYING.MIT)
+#
+# SPDX-License-Identifier: MIT
+#
 
 import os
 import sys