diff --git a/Documentation/mainboard_io_trap_handler_sample.c b/Documentation/mainboard_io_trap_handler_sample.c
deleted file mode 100644
index a949009c20..0000000000
--- a/Documentation/mainboard_io_trap_handler_sample.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <arch/io.h>
-#include <console/console.h>
-#include <cpu/x86/smm.h>
-#include <soc/pm.h>
-#include <soc/smm.h>
-#include <elog.h>
-#include <ec/google/chromeec/ec.h>
-#include <soc/gpio.h>
-#include <soc/iomap.h>
-#include <soc/nvs.h>
-#include <soc/pm.h>
-#include <soc/smm.h>
-#include "ec.h"
-#include "gpio.h"
-
-int mainboard_io_trap_handler(int smif)
-{
-       switch (smif) {
-       case 0x99:
-               printk(BIOS_DEBUG, "Sample\n");
-               gnvs->smif = 0;
-               break;
-       default:
-               return 0;
-       }
-
-       /* On success, the IO Trap Handler returns 0
-        * On failure, the IO Trap Handler returns a value != 0
-        *
-        * For now, we force the return value to 0 and log all traps to
-        * see what's going on.
-        */
-       //gnvs->smif = 0;
-       return 1;
-}