chore(core): remove reflash tool

diff --git a/core/Makefile b/core/Makefile
index 158ecff9b..ea2695cdf 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -17,7 +17,6 @@ BOOTLOADER_CI_BUILD_DIR   = $(BUILD_DIR)/bootloader_ci
 BOOTLOADER_EMU_BUILD_DIR  = $(BUILD_DIR)/bootloader_emu
 PRODTEST_BUILD_DIR    = $(BUILD_DIR)/prodtest
 PRODTEST_EMU_BUILD_DIR    = $(BUILD_DIR)/prodtest_emu
-REFLASH_BUILD_DIR     = $(BUILD_DIR)/reflash
 KERNEL_BUILD_DIR      = $(BUILD_DIR)/kernel
 SECMON_BUILD_DIR      = $(BUILD_DIR)/secmon
 FIRMWARE_BUILD_DIR    = $(BUILD_DIR)/firmware
@@ -315,11 +314,6 @@ build_prodtest: ## build production test firmware
 build_prodtest_emu: ## build the unix prodtest emulator
 	$(SCONS) $(PRODTEST_EMU_BUILD_DIR)/prodtest.elf
 
-build_reflash: ## build reflash firmware + reflash image
-	$(SCONS) $(REFLASH_BUILD_DIR)/reflash.bin
-	dd if=build/boardloader/boardloader.bin of=$(REFLASH_BUILD_DIR)/sdimage.bin bs=1 seek=0
-	dd if=build/bootloader/bootloader.bin of=$(REFLASH_BUILD_DIR)/sdimage.bin bs=1 seek=49152
-
 build_secmon: ## build security monitor image
 	$(SCONS) $(SECMON_BUILD_DIR)/secmon.bin
 
@@ -351,7 +345,7 @@ build_cross: ## build mpy-cross port
 ## clean commands:
 
 clean: clean_boardloader clean_bootloader clean_bootloader_emu clean_bootloader_ci \
-	clean_prodtest clean_reflash clean_firmware clean_kernel clean_secmon clean_unix clean_cross ## clean all
+	clean_prodtest clean_firmware clean_kernel clean_secmon clean_unix clean_cross ## clean all
 	rm -f ".sconsign.dblite"
 
 clean_boardloader: ## clean boardloader build
@@ -369,9 +363,6 @@ clean_bootloader_emu: ## clean bootloader_emu build
 clean_prodtest: ## clean prodtest build
 	rm -rf $(PRODTEST_BUILD_DIR)
 
-clean_reflash: ## clean reflash build
-	rm -rf $(REFLASH_BUILD_DIR)
-
 clean_secmon: ## clean security monitor build
 	rm -rf $(SECMON_BUILD_DIR)
 
diff --git a/core/SConscript.reflash b/core/SConscript.reflash
deleted file mode 100644
index 763ee0fed..000000000
--- a/core/SConscript.reflash
+++ /dev/null
@@ -1,205 +0,0 @@
-# pylint: disable=E0602
-
-import os
-import tools, models, ui
-
-TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T2T1')
-CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
-HW_REVISION = ARGUMENTS.get('HW_REVISION', None)
-
-if TREZOR_MODEL in ('D001', 'D002'):
-    # skip reflash build
-    env = Environment()
-    def build_reflash(target,source,env):
-        print(f'Reflash: nothing to build for Model {TREZOR_MODEL}')
-    program_bin = env.Command(
-                 target='reflash.bin',
-                 source=None,
-                 action=build_reflash)
-    Return()
-
-FEATURES_WANTED = [
-    "display",
-    "input",
-    "sd_card",
-    ]
-
-CCFLAGS_MOD = ''
-CPPPATH_MOD = []
-CPPDEFINES_MOD = []
-SOURCE_MOD = []
-SOURCE_MOD_CRYPTO = []
-CPPDEFINES_HAL = []
-SOURCE_HAL = []
-PATH_HAL = []
-RUST_UI_FEATURES = []
-
-CPPDEFINES_MOD += [
-    'KERNEL_MODE',
-    'SECURE_MODE',
-]
-
-# modtrezorcrypto
-CPPPATH_MOD += [
-    'vendor/trezor-crypto',
-    'vendor/trezor-storage',
-]
-SOURCE_MOD_CRYPTO += [
-    'vendor/trezor-crypto/memzero.c',
-]
-
-# modtrezorui
-CPPPATH_MOD += [
-        'vendor/micropython/lib/uzlib',
-]
-SOURCE_MOD += [
-    'embed/gfx/bitblt/gfx_bitblt.c',
-    'embed/gfx/bitblt/gfx_bitblt_mono8.c',
-    'embed/gfx/bitblt/gfx_bitblt_rgb565.c',
-    'embed/gfx/bitblt/gfx_bitblt_rgba8888.c',
-    'embed/gfx/fonts/font_bitmap.c',
-    'embed/gfx/gfx_color.c',
-    'embed/gfx/gfx_draw.c',
-    'embed/gfx/terminal.c',
-    'embed/io/display/display_utils.c',
-    'embed/util/image/image.c',
-    'embed/util/rsod/rsod.c',
-    'embed/util/scm_revision/scm_revision.c',
-    'embed/rtl/error_handling.c',
-    'embed/rtl/mini_printf.c',
-    'vendor/micropython/lib/uzlib/adler32.c',
-    'vendor/micropython/lib/uzlib/crc32.c',
-    'vendor/micropython/lib/uzlib/tinflate.c',
-    'vendor/trezor-storage/flash_area.c',
-]
-
-ui.init_ui(TREZOR_MODEL, "prodtest", RUST_UI_FEATURES)
-
-env = Environment(
-    ENV=os.environ,
-    CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')),
-    CPPDEFINES_IMPLICIT=[],
-    CPPDEFPREFIX="-D'",
-    CPPDEFSUFFIX="'",
-)
-
-FEATURES_AVAILABLE = models.configure_board(TREZOR_MODEL, HW_REVISION, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)
-
-SOURCE_REFLASH = [
-    'embed/projects/reflash/header.S',
-    'embed/projects/reflash/main.c',
-]
-
-env.Replace(
-    CAT='cat',
-    CP='cp',
-    AS='arm-none-eabi-as',
-    AR='arm-none-eabi-ar',
-    CC='arm-none-eabi-gcc',
-    LINK='arm-none-eabi-gcc',
-    SIZE='arm-none-eabi-size',
-    STRIP='arm-none-eabi-strip',
-    OBJCOPY='arm-none-eabi-objcopy',
-    PYTHON='python',
-    MAKECMAKELISTS='$PYTHON tools/make_cmakelists.py',)
-
-env.Replace(
-    TREZOR_MODEL=TREZOR_MODEL, )
-
-env.Replace(
-    COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
-    CCFLAGS='$COPT '
-    '-g3 '
-    '-nostdlib '
-    '-std=gnu11 -Wall -Werror -Wdouble-promotion -Wpointer-arith -Wno-missing-braces -fno-common '
-    '-fsingle-precision-constant -fdata-sections -ffunction-sections '
-    '-ffreestanding '
-    '-fstack-protector-all '
-    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
-    CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
-    LINKFLAGS=f'-T build/reflash/memory.ld -Wl,--gc-sections -Wl,-Map=build/reflash/reflash.map -Wl,--warn-common',
-    CPPPATH=[
-        'embed/projects/reflash',
-        'embed/rtl/inc',
-        'embed/models',
-        'embed/gfx/inc',
-        'embed/sys/bsp/inc',
-        'embed/util/image/inc',
-        'embed/util/rsod/inc',
-        'embed/util/scm_revision/inc',
-        'embed/upymod/modtrezorui',
-    ] + CPPPATH_MOD + PATH_HAL,
-    CPPDEFINES=[
-        'TREZOR_MODEL_'+TREZOR_MODEL,
-        'USE_HAL_DRIVER',
-    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
-    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
-    ASPPFLAGS='$CFLAGS $CCFLAGS',
-    )
-
-env.Replace(
-    HEADERTOOL='headertool',
-)
-
-env.Replace(
-    ALLSOURCES=SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_REFLASH + SOURCE_HAL,
-    ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES'] + env['CPPDEFINES_IMPLICIT']))
-
-cmake_gen = env.Command(
-    target='CMakeLists.txt',
-    source='',
-    action='$MAKECMAKELISTS --sources $ALLSOURCES --dirs $CPPPATH --defs $ALLDEFS',
-)
-
-#
-# Program objects
-#
-
-obj_program = []
-obj_program += env.Object(source=SOURCE_MOD)
-obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
-obj_program += env.Object(source=SOURCE_REFLASH)
-obj_program += env.Object(source=SOURCE_HAL)
-
-VENDORHEADER = f'embed/models/{TREZOR_MODEL}/vendorheader/vendorheader_' + ('unsafe_signed_dev.bin' if ARGUMENTS.get('PRODUCTION', '0') == '0' else 'satoshilabs_signed_prod.bin')
-
-tools.embed_raw_binary(
-        obj_program,
-        env,
-        'vendorheader',
-        'embed/projects/firmware/vendorheader.o',
-        VENDORHEADER,
-        )
-
-linkerscript_gen = env.Command(
-    target='memory.ld',
-    source=[f'embed/models/{TREZOR_MODEL}/memory.ld',  env.get('ENV')['LINKER_SCRIPT'].format(target='prodtest')],
-    action='$CAT $SOURCES > $TARGET',
-)
-
-program_elf = env.Command(
-    target='reflash.elf',
-    source=obj_program,
-    action=
-    '$LINK -o $TARGET $CCFLAGS $CFLAGS $LINKFLAGS $SOURCES -lc_nano -lgcc',
-)
-
-env.Depends(program_elf, linkerscript_gen)
-
-BINARY_NAME = f"build/reflash/reflash-{TREZOR_MODEL}"
-BINARY_NAME += "-" + tools.get_version('embed/projects/reflash/version.h')
-BINARY_NAME += "-" + tools.get_git_revision_short_hash()
-BINARY_NAME += "-dirty" if tools.get_git_modified() else ""
-BINARY_NAME += ".bin"
-
-if CMAKELISTS != 0:
-    env.Depends(program_elf, cmake_gen)
-
-program_bin = env.Command(
-    target='reflash.bin',
-    source=program_elf,
-    action=[
-        '$OBJCOPY -O binary -j .vendorheader -j .header -j .flash -j .data -j .confidential $SOURCE $TARGET',
-        '$HEADERTOOL $TARGET ' + ('-D' if ARGUMENTS.get('PRODUCTION', '0') == '0' else ''),
-        '$CP $TARGET ' + BINARY_NAME,
-    ], )
diff --git a/core/SConstruct b/core/SConstruct
index 48a677dc2..af21e6cce 100644
--- a/core/SConstruct
+++ b/core/SConstruct
@@ -12,7 +12,6 @@ SConscript('SConscript.kernel', variant_dir='build/kernel', duplicate=False)
 SConscript('SConscript.firmware', variant_dir='build/firmware', duplicate=False)
 SConscript('SConscript.prodtest', variant_dir='build/prodtest', duplicate=False)
 SConscript('SConscript.prodtest_emu', variant_dir='build/prodtest_emu', duplicate=False)
-SConscript('SConscript.reflash', variant_dir='build/reflash', duplicate=False)
 SConscript('SConscript.unix', variant_dir='build/unix', duplicate=False)
 
 if ARGUMENTS.get('QUIET_MODE', '0') == '1':
diff --git a/core/embed/projects/reflash/header.S b/core/embed/projects/reflash/header.S
deleted file mode 100644
index e41f02e8d..000000000
--- a/core/embed/projects/reflash/header.S
+++ /dev/null
@@ -1,35 +0,0 @@
-    .syntax unified
-
-#include "version.h"
-
-    .section .header, "a"
-
-    .type g_header, %object
-    .size g_header, .-g_header
-
-g_header:
-    .byte 'T','R','Z','F'            // magic
-    .word g_header_end - g_header    // hdrlen
-#ifdef TREZOR_MODEL_T2T1
-    .word 0                          // expiry
-#else
-    .word 1                          // expiry
-#endif
-    .word _codelen                   // codelen
-    .byte VERSION_MAJOR              // vmajor
-    .byte VERSION_MINOR              // vminor
-    .byte VERSION_PATCH              // vpatch
-    .byte VERSION_BUILD              // vbuild
-    .byte FIX_VERSION_MAJOR          // fix_vmajor
-    .byte FIX_VERSION_MINOR          // fix_vminor
-    .byte FIX_VERSION_PATCH          // fix_vpatch
-    .byte FIX_VERSION_BUILD          // fix_vbuild
-    .word HW_MODEL                   // type of the designated hardware
-    .byte HW_REVISION                // revision of the designated hardware
-    .byte FIRMWARE_MONOTONIC_VERSION // monotonic version of the binary
-    . = . + 2                        // reserved
-    . = . + 512                      // hash1 ... hash16
-    . = . + 415                      // reserved
-    .byte 0                          // sigmask
-    . = . + 64                       // sig
-g_header_end:
diff --git a/core/embed/projects/reflash/main.c b/core/embed/projects/reflash/main.c
deleted file mode 100644
index ced73512a..000000000
--- a/core/embed/projects/reflash/main.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * This file is part of the Trezor project, https://trezor.io/
- *
- * Copyright (c) SatoshiLabs
- *
- * 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 <trezor_model.h>
-#include <trezor_rtl.h>
-
-#include <gfx/gfx_draw.h>
-#include <gfx/terminal.h>
-#include <io/display.h>
-#include <io/sdcard.h>
-#include <io/touch.h>
-#include <sec/rng.h>
-#include <sys/bootutils.h>
-#include <sys/system.h>
-#include <sys/systimer.h>
-#include <util/flash.h>
-#include <util/image.h>
-#include <util/rsod.h>
-#include "flash.h"
-
-#ifdef USE_HASH_PROCESSOR
-#include <sec/hash_processor.h>
-#endif
-
-static void progress_callback(int pos, int len) { term_printf("."); }
-
-static void flash_from_sdcard(const flash_area_t *area, uint32_t source,
-                              uint32_t length) {
-  static uint32_t buf[SDCARD_BLOCK_SIZE / sizeof(uint32_t)];
-
-  _Static_assert(SDCARD_BLOCK_SIZE % FLASH_BLOCK_SIZE == 0);
-  ensure(sectrue * (source % SDCARD_BLOCK_SIZE == 0),
-         "source not a multiple of block size");
-  ensure(sectrue * (length % SDCARD_BLOCK_SIZE == 0),
-         "length not a multiple of block size");
-
-  for (uint32_t i = 0; i < length / SDCARD_BLOCK_SIZE; i++) {
-    term_printf("read %d\n", (unsigned int)(i + source / SDCARD_BLOCK_SIZE));
-
-    ensure(sdcard_read_blocks(buf, i + source / SDCARD_BLOCK_SIZE, 1),
-           "sdcard_read_blocks");
-
-    for (uint32_t j = 0; j < SDCARD_BLOCK_SIZE / FLASH_BLOCK_SIZE; j++) {
-      ensure(flash_area_write_block(
-                 area, i * SDCARD_BLOCK_SIZE + j * FLASH_BLOCK_SIZE,
-                 &buf[j * FLASH_BLOCK_WORDS]),
-             NULL);
-    }
-  }
-}
-
-int main(void) {
-  system_init(&rsod_panic_handler);
-
-  sdcard_init();
-  touch_init();
-
-#ifdef USE_HASH_PROCESSOR
-  hash_processor_init();
-#endif
-
-  display_set_orientation(0);
-  gfx_clear();
-  display_set_backlight(255);
-
-  ensure(sdcard_is_present(), "sdcard_is_present");
-
-  term_printf("updating boardloader + bootloader\n");
-
-  term_printf("erasing sectors");
-  ensure(flash_area_erase(&BOARDLOADER_AREA, progress_callback),
-         "flash_erase_sectors");
-  ensure(flash_area_erase(&BOOTLOADER_AREA, progress_callback),
-         "flash_erase_sectors");
-  term_printf("\n");
-  term_printf("erased\n");
-
-  ensure(flash_unlock_write(), NULL);
-
-  ensure(sdcard_power_on(), NULL);
-
-#define BOARDLOADER_CHUNK_SIZE (16 * 1024)
-#define BOARDLOADER_TOTAL_SIZE (3 * BOARDLOADER_CHUNK_SIZE)
-#define BOOTLOADER_TOTAL_SIZE (128 * 1024)
-
-  flash_from_sdcard(&BOARDLOADER_AREA, 0, BOARDLOADER_TOTAL_SIZE);
-  flash_from_sdcard(&BOOTLOADER_AREA, BOARDLOADER_TOTAL_SIZE,
-                    BOOTLOADER_TOTAL_SIZE);
-
-  term_printf("done\n");
-  sdcard_power_off();
-  ensure(flash_lock_write(), NULL);
-
-  return 0;
-}
diff --git a/core/embed/projects/reflash/version.h b/core/embed/projects/reflash/version.h
deleted file mode 100644
index 07bd5a3a1..000000000
--- a/core/embed/projects/reflash/version.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#pragma once
-
-#include "model_version.h"
-
-#define VERSION_MAJOR 0
-#define VERSION_MINOR 1
-#define VERSION_PATCH 0
-#define VERSION_BUILD 0
-
-#define FIX_VERSION_MAJOR 0
-#define FIX_VERSION_MINOR 1
-#define FIX_VERSION_PATCH 0
-#define FIX_VERSION_BUILD 0