diff --git a/src/soc/intel/xeon_sp/skx/acpi/pci_irq.asl b/src/soc/intel/xeon_sp/skx/acpi/pci_irq.asl
index 613e0848db..d966db98c6 100644
--- a/src/soc/intel/xeon_sp/skx/acpi/pci_irq.asl
+++ b/src/soc/intel/xeon_sp/skx/acpi/pci_irq.asl
@@ -1,16 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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; version 2 of the License.
- *
- * 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.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 /*
  * Refer to Intel® C620 Series Chipset Platform Controller Hub EDS section 20.11
diff --git a/src/soc/intel/xeon_sp/skx/include/soc/nvs.h b/src/soc/intel/xeon_sp/skx/include/soc/nvs.h
index 613775c759..352bc27dad 100644
--- a/src/soc/intel/xeon_sp/skx/include/soc/nvs.h
+++ b/src/soc/intel/xeon_sp/skx/include/soc/nvs.h
@@ -1,17 +1,5 @@
-/*
- * This file is part of the coreboot project.
- *
- *
- * 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; version 2 of the License.
- *
- * 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.
- *
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
 
 #ifndef _SOC_NVS_H_
 #define _SOC_NVS_H_