diff --git a/include/arm9/nandimage.h b/include/arm9/nandimage.h
deleted file mode 100644
index 425f685..0000000
--- a/include/arm9/nandimage.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#pragma once
-
-/*
- *   This file is part of fastboot 3DS
- *   Copyright (C) 2017 derrek, profi200
- *
- *   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 3 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 <http://www.gnu.org/licenses/>.
- */
-
-#include "types.h"
-#include "arm9/ncsd.h"
-#include "fatfs/ff.h"
-
-
-#define NANDIMG_ERROR_BADPATH	-1
-#define NANDIMG_ERROR_NEXISTS	-2
-#define NANDIMG_ERROR_NCONTS	-3
-
-
-
-int validateNandImage(const char *filePath);
-bool isNandImageCompatible(FIL *file);
diff --git a/source/arm9/nandimage.c b/source/arm9/nandimage.c
deleted file mode 100644
index b8f1545..0000000
--- a/source/arm9/nandimage.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *   This file is part of fastboot 3DS
- *   Copyright (C) 2017 derrek, profi200
- *
- *   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 3 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 <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "arm9/dev.h"
-#include "arm9/nandimage.h"
-#include "util.h"
-
-
-
-int validateNandImage(const char *filePath)
-{
-	FIL file;
-	bool isContinuous;
-	
-	// only nand images on SD card are allowed.
-	if(strncmp(filePath, "sdmc:", 5) != 0)
-		return NANDIMG_ERROR_BADPATH;
-	
-	if(f_open(&file, filePath, FA_READ) != FR_OK)
-		return NANDIMG_ERROR_NEXISTS;
-	
-	isContinuous = (file.obj.stat & 3) == 2;
-	
-	f_close(&file);
-	
-	if(!isContinuous)
-		return NANDIMG_ERROR_NCONTS;
-	
-	return 0;
-}
-
-bool isNandImageCompatible(FIL *file)
-{
-	NCSD_header imageHeader;
-	NCSD_header nandHeader;
-	size_t bytesRead;
-	
-	FSIZE_t offset = f_tell(file);
-	
-	if(f_lseek(file, 0) != FR_OK)
-	{
-		return false;
-	}
-	
-	if(f_read(file, &imageHeader, sizeof(NCSD_header), &bytesRead) != FR_OK
-		|| bytesRead != sizeof(NCSD_header))
-	{
-		return false;
-	}
-	
-	// restore original rw pointer
-	if(f_lseek(file, offset) != FR_OK)
-	{
-		return false;
-	}
-	
-	if(!dev_rawnand->read_sector(0, 1, &nandHeader))
-	{
-		return false;
-	}
-	
-	/* compare everything except the signature */
-	return memcmp(&imageHeader.magic, &nandHeader.magic, 0x100) == 0;
-}