diff --git a/extmod/vfs_fat_reader.c b/extmod/vfs_fat_reader.c
deleted file mode 100644
index b9abf3ad71..0000000000
--- a/extmod/vfs_fat_reader.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * This file is part of the MicroPython project, http://micropython.org/
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2013-2016 Damien P. George
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <assert.h>
-
-#include "py/mperrno.h"
-#include "py/reader.h"
-
-#if MICROPY_READER_FATFS
-
-#if MICROPY_FATFS_OO
-#include "lib/oofatfs/ff.h"
-#else
-#include "lib/fatfs/ff.h"
-#endif
-#include "extmod/fsusermount.h"
-#include "extmod/vfs_fat.h"
-
-typedef struct _mp_reader_fatfs_t {
-    FIL fp;
-    uint16_t len;
-    uint16_t pos;
-    byte buf[20];
-} mp_reader_fatfs_t;
-
-STATIC mp_uint_t mp_reader_fatfs_readbyte(void *data) {
-    mp_reader_fatfs_t *reader = (mp_reader_fatfs_t*)data;
-    if (reader->pos >= reader->len) {
-        if (reader->len < sizeof(reader->buf)) {
-            return MP_READER_EOF;
-        } else {
-            UINT n;
-            f_read(&reader->fp, reader->buf, sizeof(reader->buf), &n);
-            if (n == 0) {
-                return MP_READER_EOF;
-            }
-            reader->len = n;
-            reader->pos = 0;
-        }
-    }
-    return reader->buf[reader->pos++];
-}
-
-STATIC void mp_reader_fatfs_close(void *data) {
-    mp_reader_fatfs_t *reader = (mp_reader_fatfs_t*)data;
-    f_close(&reader->fp);
-    m_del_obj(mp_reader_fatfs_t, reader);
-}
-
-int mp_reader_new_file(mp_reader_t *reader, const char *filename) {
-    mp_reader_fatfs_t *rf = m_new_obj_maybe(mp_reader_fatfs_t);
-    if (rf == NULL) {
-        return MP_ENOMEM;
-    }
-    #if MICROPY_FATFS_OO
-    fs_user_mount_t *vfs = ff_get_vfs(&filename);
-    if (vfs == NULL) {
-        return MP_ENOENT;
-    }
-    FRESULT res = f_open(&vfs->fatfs, &rf->fp, filename, FA_READ);
-    #else
-    FRESULT res = f_open(&rf->fp, filename, FA_READ);
-    #endif
-    if (res != FR_OK) {
-        return fresult_to_errno_table[res];
-    }
-    UINT n;
-    f_read(&rf->fp, rf->buf, sizeof(rf->buf), &n);
-    rf->len = n;
-    rf->pos = 0;
-    reader->data = rf;
-    reader->readbyte = mp_reader_fatfs_readbyte;
-    reader->close = mp_reader_fatfs_close;
-    return 0; // success
-}
-
-#endif
diff --git a/py/lexer.c b/py/lexer.c
index e9b571ca40..33af21e9c3 100644
--- a/py/lexer.c
+++ b/py/lexer.c
@@ -753,7 +753,7 @@ mp_lexer_t *mp_lexer_new_from_str_len(qstr src_name, const char *str, mp_uint_t
     return mp_lexer_new(src_name, reader);
 }
 
-#if MICROPY_READER_POSIX || MICROPY_READER_VFS || MICROPY_READER_FATFS
+#if MICROPY_READER_POSIX || MICROPY_READER_VFS
 
 mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
     mp_reader_t reader;
diff --git a/py/mpconfig.h b/py/mpconfig.h
index a924eda0c6..d078e93011 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -403,11 +403,6 @@
 #define MICROPY_READER_VFS (0)
 #endif
 
-// Whether to use the FatFS reader for importing files
-#ifndef MICROPY_READER_FATFS
-#define MICROPY_READER_FATFS (0)
-#endif
-
 // Hook for the VM at the start of the opcode loop (can contain variable
 // definitions usable by the other hook functions)
 #ifndef MICROPY_VM_HOOK_INIT
diff --git a/py/py.mk b/py/py.mk
index e7e4fb9b78..0e5a9667db 100644
--- a/py/py.mk
+++ b/py/py.mk
@@ -240,7 +240,6 @@ PY_O_BASENAME = \
 	../extmod/vfs_fat_ffconf.o \
 	../extmod/vfs_fat_diskio.o \
 	../extmod/vfs_fat_file.o \
-	../extmod/vfs_fat_reader.o \
 	../extmod/vfs_fat_misc.o \
 	../extmod/utime_mphal.o \
 	../extmod/uos_dupterm.o \