diff --git a/src/northbridge/intel/i440bx/acpi/sb_pci0_crs.asl b/src/northbridge/intel/i440bx/acpi/sb_pci0_crs.asl
index 054c803..856b3e8 100644
--- a/src/northbridge/intel/i440bx/acpi/sb_pci0_crs.asl
+++ b/src/northbridge/intel/i440bx/acpi/sb_pci0_crs.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. */
 
 /* i440bx Northbridge */
 Device (NB)
diff --git a/src/northbridge/intel/i440bx/debug.c b/src/northbridge/intel/i440bx/debug.c
index fe1f9c8..57df23f 100644
--- a/src/northbridge/intel/i440bx/debug.c
+++ b/src/northbridge/intel/i440bx/debug.c
@@ -1,15 +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. */
 
 #include <console/console.h>
 #include <device/pci_ops.h>
diff --git a/src/northbridge/intel/i440bx/memmap.c b/src/northbridge/intel/i440bx/memmap.c
index c4df338..7231ccb 100644
--- a/src/northbridge/intel/i440bx/memmap.c
+++ b/src/northbridge/intel/i440bx/memmap.c
@@ -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. */
 
 #include <arch/romstage.h>
 #include <device/pci_ops.h>
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c
index 1d0251f..eb0d3b1 100644
--- a/src/northbridge/intel/i440bx/northbridge.c
+++ b/src/northbridge/intel/i440bx/northbridge.c
@@ -1,15 +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. */
 
 #include <console/console.h>
 #include <device/pci_ops.h>