diff --git a/boards/blackpill-stm32f103c8/Kconfig b/boards/blackpill-stm32f103c8/Kconfig
index 978be5e8ae..6f7d95e91d 100644
--- a/boards/blackpill-stm32f103c8/Kconfig
+++ b/boards/blackpill-stm32f103c8/Kconfig
@@ -1,9 +1,5 @@
-# Copyright (c) 2020 Inria
-#
-# This file is subject to the terms and conditions of the GNU Lesser
-# General Public License v2.1. See the file LICENSE in the top level
-# directory for more details.
-#
+# SPDX-FileCopyrightText: 2020 Inria
+# SPDX-License-Identifier: LGPL-2.1-only
 
 config BOARD
     default "blackpill-stm32f103c8" if BOARD_BLACKPILL_STM32F103C8
diff --git a/boards/blackpill-stm32f103c8/include/board.h b/boards/blackpill-stm32f103c8/include/board.h
index 04cc18e2b6..acc7ac4886 100644
--- a/boards/blackpill-stm32f103c8/include/board.h
+++ b/boards/blackpill-stm32f103c8/include/board.h
@@ -1,11 +1,8 @@
 /*
- * Copyright (C) 2015 TriaGnoSys GmbH
- *               2017 Alexander Kurth, Sören Tempel, Tristan Bruns
- *               2018 Otto-von-Guericke-Universität Magdeburg
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2015 TriaGnoSys GmbH
+ * SPDX-FileCopyrightText: 2017 Alexander Kurth, Sören Tempel, Tristan Bruns
+ * SPDX-FileCopyrightText: 2018 Otto-von-Guericke-Universität Magdeburg
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/blackpill-stm32f103cb/Kconfig b/boards/blackpill-stm32f103cb/Kconfig
index 5fdc45161d..d5e01d913d 100644
--- a/boards/blackpill-stm32f103cb/Kconfig
+++ b/boards/blackpill-stm32f103cb/Kconfig
@@ -1,9 +1,5 @@
-# Copyright (c) 2020 Inria
-#
-# This file is subject to the terms and conditions of the GNU Lesser
-# General Public License v2.1. See the file LICENSE in the top level
-# directory for more details.
-#
+# SPDX-FileCopyrightText: 2020 Inria
+# SPDX-License-Identifier: LGPL-2.1-only
 
 config BOARD
     default "blackpill-stm32f103cb" if BOARD_BLACKPILL_STM32F103CB
diff --git a/boards/blackpill-stm32f103cb/include/board.h b/boards/blackpill-stm32f103cb/include/board.h
index fe0bfaf690..783ceeb9d4 100644
--- a/boards/blackpill-stm32f103cb/include/board.h
+++ b/boards/blackpill-stm32f103cb/include/board.h
@@ -1,11 +1,8 @@
 /*
- * Copyright (C) 2015 TriaGnoSys GmbH
- *               2017 Alexander Kurth, Sören Tempel, Tristan Bruns
- *               2018 Otto-von-Guericke-Universität Magdeburg
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2015 TriaGnoSys GmbH
+ * SPDX-FileCopyrightText: 2017 Alexander Kurth, Sören Tempel, Tristan Bruns
+ * SPDX-FileCopyrightText: 2018 Otto-von-Guericke-Universität Magdeburg
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/bluepill-stm32f030c8/Kconfig b/boards/bluepill-stm32f030c8/Kconfig
index 040fa5a7b5..e034d476c3 100644
--- a/boards/bluepill-stm32f030c8/Kconfig
+++ b/boards/bluepill-stm32f030c8/Kconfig
@@ -1,9 +1,5 @@
-# Copyright (c) 2020 Benjamin Valentin
-#
-# This file is subject to the terms and conditions of the GNU Lesser
-# General Public License v2.1. See the file LICENSE in the top level
-# directory for more details.
-#
+# SPDX-FileCopyrightText: 2020 Benjamin Valentin
+# SPDX-License-Identifier: LGPL-2.1-only
 
 config BOARD
     default "bluepill-stm32f030c8" if BOARD_BLUEPILL_STM32F030C8
diff --git a/boards/bluepill-stm32f030c8/include/board.h b/boards/bluepill-stm32f030c8/include/board.h
index b903cfa791..150ae097e1 100644
--- a/boards/bluepill-stm32f030c8/include/board.h
+++ b/boards/bluepill-stm32f030c8/include/board.h
@@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 Benjamin Valentin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2020 Benjamin Valentin
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/bluepill-stm32f030c8/include/gpio_params.h b/boards/bluepill-stm32f030c8/include/gpio_params.h
index d45ec4b09f..116838bc97 100644
--- a/boards/bluepill-stm32f030c8/include/gpio_params.h
+++ b/boards/bluepill-stm32f030c8/include/gpio_params.h
@@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 Benjamin Valentin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2020 Benjamin Valentin
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/bluepill-stm32f030c8/include/periph_conf.h b/boards/bluepill-stm32f030c8/include/periph_conf.h
index d28ff4cf39..c900c620a5 100644
--- a/boards/bluepill-stm32f030c8/include/periph_conf.h
+++ b/boards/bluepill-stm32f030c8/include/periph_conf.h
@@ -1,9 +1,6 @@
 /*
- * Copyright (C) 2020 Benjamin Valentin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2020 Benjamin Valentin
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/bluepill-stm32f103c8/Kconfig b/boards/bluepill-stm32f103c8/Kconfig
index 32032a7d05..8ac3bf233a 100644
--- a/boards/bluepill-stm32f103c8/Kconfig
+++ b/boards/bluepill-stm32f103c8/Kconfig
@@ -1,9 +1,5 @@
-# Copyright (c) 2020 Inria
-#
-# This file is subject to the terms and conditions of the GNU Lesser
-# General Public License v2.1. See the file LICENSE in the top level
-# directory for more details.
-#
+# SPDX-FileCopyrightText: 2020 Inria
+# SPDX-License-Identifier: LGPL-2.1-only
 
 config BOARD
     default "bluepill-stm32f103c8" if BOARD_BLUEPILL_STM32F103C8
diff --git a/boards/bluepill-stm32f103c8/include/board.h b/boards/bluepill-stm32f103c8/include/board.h
index a36a4e8724..e75638c38d 100644
--- a/boards/bluepill-stm32f103c8/include/board.h
+++ b/boards/bluepill-stm32f103c8/include/board.h
@@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2015 TriaGnoSys GmbH
- *               2017 Alexander Kurth, Sören Tempel, Tristan Bruns
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2015 TriaGnoSys GmbH
+ * SPDX-FileCopyrightText: 2017 Alexander Kurth, Sören Tempel, Tristan Bruns
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once
diff --git a/boards/bluepill-stm32f103cb/Kconfig b/boards/bluepill-stm32f103cb/Kconfig
index 862d0b259a..088c0097dc 100644
--- a/boards/bluepill-stm32f103cb/Kconfig
+++ b/boards/bluepill-stm32f103cb/Kconfig
@@ -1,9 +1,5 @@
-# Copyright (c) 2020 Inria
-#
-# This file is subject to the terms and conditions of the GNU Lesser
-# General Public License v2.1. See the file LICENSE in the top level
-# directory for more details.
-#
+# SPDX-FileCopyrightText: 2020 Inria
+# SPDX-License-Identifier: LGPL-2.1-only
 
 config BOARD
     default "bluepill-stm32f103cb" if BOARD_BLUEPILL_STM32F103CB
diff --git a/boards/bluepill-stm32f103cb/include/board.h b/boards/bluepill-stm32f103cb/include/board.h
index 9fd51e60af..3e35f34ff6 100644
--- a/boards/bluepill-stm32f103cb/include/board.h
+++ b/boards/bluepill-stm32f103cb/include/board.h
@@ -1,10 +1,7 @@
 /*
- * Copyright (C) 2015 TriaGnoSys GmbH
- *               2017 Alexander Kurth, Sören Tempel, Tristan Bruns
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
+ * SPDX-FileCopyrightText: 2015 TriaGnoSys GmbH
+ * SPDX-FileCopyrightText: 2017 Alexander Kurth, Sören Tempel, Tristan Bruns
+ * SPDX-License-Identifier: LGPL-2.1-only
  */
 
 #pragma once