diff --git a/contrib/loaders/reset/espressif/common.mk b/contrib/loaders/reset/espressif/common.mk
index 4623583aa..f77efe676 100644
--- a/contrib/loaders/reset/espressif/common.mk
+++ b/contrib/loaders/reset/espressif/common.mk
@@ -1,18 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# ESP32 Makefile to compile the SoC reset program
# Copyright (C) 2022 Espressif Systems Ltd.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see
# Pass V=1 to see the commands being executed by make
ifneq ("$(V)","1")
diff --git a/contrib/loaders/reset/espressif/esp32/Makefile b/contrib/loaders/reset/espressif/esp32/Makefile
index 3551b6a5e..a63178065 100644
--- a/contrib/loaders/reset/espressif/esp32/Makefile
+++ b/contrib/loaders/reset/espressif/esp32/Makefile
@@ -1,18 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# ESP32 Makefile to compile the SoC reset program
# Copyright (C) 2022 Espressif Systems Ltd.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see
# Prefix for ESP32 cross compilers (can include a directory path)
CROSS ?= xtensa-esp32-elf-
diff --git a/contrib/loaders/reset/espressif/esp32/esp32_cpu_reset_handler.S b/contrib/loaders/reset/espressif/esp32/esp32_cpu_reset_handler.S
index 113254556..506d41e85 100644
--- a/contrib/loaders/reset/espressif/esp32/esp32_cpu_reset_handler.S
+++ b/contrib/loaders/reset/espressif/esp32/esp32_cpu_reset_handler.S
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Reset stub used by esp32 target *
* Copyright (C) 2017 Espressif Systems Ltd. *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see . *
***************************************************************************/
#define RTC_CNTL_RESET_STATE_REG 0x3ff48034
diff --git a/contrib/loaders/reset/espressif/esp32s3/Makefile b/contrib/loaders/reset/espressif/esp32s3/Makefile
index 4dab161fd..37d5f8281 100644
--- a/contrib/loaders/reset/espressif/esp32s3/Makefile
+++ b/contrib/loaders/reset/espressif/esp32s3/Makefile
@@ -1,18 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
# ESP32 Makefile to compile the SoC reset program
# Copyright (C) 2022 Espressif Systems Ltd.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see
# Prefix for ESP32 cross compilers (can include a directory path)
CROSS ?= xtensa-esp32s3-elf-
diff --git a/contrib/loaders/reset/espressif/esp32s3/esp32s3_cpu_reset_handler.S b/contrib/loaders/reset/espressif/esp32s3/esp32s3_cpu_reset_handler.S
index e70ac9ca7..5fc635725 100644
--- a/contrib/loaders/reset/espressif/esp32s3/esp32s3_cpu_reset_handler.S
+++ b/contrib/loaders/reset/espressif/esp32s3/esp32s3_cpu_reset_handler.S
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Reset stub used by esp32s3 target *
* Copyright (C) 2020 Espressif Systems (Shanghai) Co. Ltd. *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see . *
***************************************************************************/
#define RTC_CNTL_RESET_STATE_REG 0x60008038