diff --git a/core/embed/lib/toif.c b/core/embed/lib/toif.c
deleted file mode 100644
index 8221f45f2..000000000
--- a/core/embed/lib/toif.c
+++ /dev/null
@@ -1,57 +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 "toif.h"
-#include <stddef.h>
-#include <string.h>
-
-// see docs/misc/toif.md for definition of the TOIF format
-bool toif_header_parse(const uint8_t *data, uint32_t len, uint16_t *out_w,
-                       uint16_t *out_h, toif_format_t *out_format) {
-  if (len < 12 || memcmp(data, "TOI", 3) != 0) {
-    return false;
-  }
-  toif_format_t format = false;
-  if (data[3] == 'f') {
-    format = TOIF_FULL_COLOR_BE;
-  } else if (data[3] == 'g') {
-    format = TOIF_GRAYSCALE_OH;
-  } else if (data[3] == 'F') {
-    format = TOIF_FULL_COLOR_LE;
-  } else if (data[3] == 'G') {
-    format = TOIF_GRAYSCALE_EH;
-  } else {
-    return false;
-  }
-
-  uint16_t w = *(uint16_t *)(data + 4);
-  uint16_t h = *(uint16_t *)(data + 6);
-
-  uint32_t datalen = *(uint32_t *)(data + 8);
-  if (datalen != len - 12) {
-    return false;
-  }
-
-  if (out_w != NULL && out_h != NULL && out_format != NULL) {
-    *out_w = w;
-    *out_h = h;
-    *out_format = format;
-  }
-  return true;
-}
diff --git a/core/embed/lib/toif.h b/core/embed/lib/toif.h
deleted file mode 100644
index ccea6125c..000000000
--- a/core/embed/lib/toif.h
+++ /dev/null
@@ -1,36 +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/>.
- */
-
-#ifndef LIB_TOIF_H
-#define LIB_TOIF_H
-
-#include <stdbool.h>
-#include <stdint.h>
-
-typedef enum {
-  TOIF_FULL_COLOR_BE = 0,  // big endian
-  TOIF_GRAYSCALE_OH = 1,   // odd hi
-  TOIF_FULL_COLOR_LE = 2,  // little endian
-  TOIF_GRAYSCALE_EH = 3,   // even hi
-} toif_format_t;
-
-bool toif_header_parse(const uint8_t *buf, uint32_t len, uint16_t *out_w,
-                       uint16_t *out_h, toif_format_t *out_format);
-
-#endif  // LIB_TOIF_H
diff --git a/core/embed/rust/src/trezorhal/display.rs b/core/embed/rust/src/trezorhal/display.rs
index 3f4db098f..124d96d1e 100644
--- a/core/embed/rust/src/trezorhal/display.rs
+++ b/core/embed/rust/src/trezorhal/display.rs
@@ -20,14 +20,6 @@ pub struct FrameBuffer(*mut u16);
 #[derive(Copy, Clone)]
 pub struct FrameBuffer(*mut u32);
 
-#[derive(PartialEq, Debug, Eq, FromPrimitive, Clone, Copy)]
-pub enum ToifFormat {
-    FullColorBE = ffi::toif_format_t_TOIF_FULL_COLOR_BE as _,
-    GrayScaleOH = ffi::toif_format_t_TOIF_GRAYSCALE_OH as _,
-    FullColorLE = ffi::toif_format_t_TOIF_FULL_COLOR_LE as _,
-    GrayScaleEH = ffi::toif_format_t_TOIF_GRAYSCALE_EH as _,
-}
-
 pub fn backlight(val: i32) -> i32 {
     unsafe { ffi::display_backlight(val) }
 }
diff --git a/core/embed/rust/src/ui/component/image.rs b/core/embed/rust/src/ui/component/image.rs
index 7a5b9d46f..41c1a6883 100644
--- a/core/embed/rust/src/ui/component/image.rs
+++ b/core/embed/rust/src/ui/component/image.rs
@@ -1,14 +1,11 @@
-use crate::{
-    trezorhal::display::ToifFormat,
-    ui::{
-        component::{Component, Event, EventCtx, Never},
-        display,
-        display::{
-            toif::{image, Toif},
-            Color, Icon,
-        },
-        geometry::{Alignment2D, Offset, Point, Rect},
+use crate::ui::{
+    component::{Component, Event, EventCtx, Never},
+    display,
+    display::{
+        toif::{image, Toif, ToifFormat},
+        Color, Icon,
     },
+    geometry::{Alignment2D, Offset, Point, Rect},
 };
 
 #[derive(PartialEq, Eq, Clone, Copy)]
diff --git a/core/embed/rust/src/ui/display/toif.rs b/core/embed/rust/src/ui/display/toif.rs
index 89a40a2eb..4e1db49b8 100644
--- a/core/embed/rust/src/ui/display/toif.rs
+++ b/core/embed/rust/src/ui/display/toif.rs
@@ -1,9 +1,6 @@
 use crate::{
     error::Error,
-    trezorhal::{
-        display::ToifFormat,
-        uzlib::{UzlibContext, UZLIB_WINDOW_SIZE},
-    },
+    trezorhal::uzlib::{UzlibContext, UZLIB_WINDOW_SIZE},
     ui::{
         component::image::Image,
         constant,
@@ -32,6 +29,14 @@ use super::Color;
 
 const TOIF_HEADER_LENGTH: usize = 12;
 
+#[derive(PartialEq, Debug, Eq, FromPrimitive, Clone, Copy)]
+pub enum ToifFormat {
+    FullColorBE = 0, // big endian
+    GrayScaleOH = 1, // odd hi
+    FullColorLE = 2, // little endian
+    GrayScaleEH = 3, // even hi
+}
+
 pub fn render_icon(icon: &Icon, center: Point, fg_color: Color, bg_color: Color) {
     render_toif(&icon.toif, center, fg_color, bg_color);
 }
diff --git a/core/embed/rust/src/ui/model_tr/component/homescreen.rs b/core/embed/rust/src/ui/model_tr/component/homescreen.rs
index bac39440e..dfa46da8a 100644
--- a/core/embed/rust/src/ui/model_tr/component/homescreen.rs
+++ b/core/embed/rust/src/ui/model_tr/component/homescreen.rs
@@ -1,10 +1,14 @@
 use crate::{
     strutil::StringType,
-    trezorhal::{display::ToifFormat, usb::usb_configured},
+    trezorhal::usb::usb_configured,
     ui::{
         component::{Child, Component, Event, EventCtx, Label},
         constant::{HEIGHT, WIDTH},
-        display::{rect_fill, toif::Toif, Font, Icon},
+        display::{
+            rect_fill,
+            toif::{Toif, ToifFormat},
+            Font, Icon,
+        },
         event::USBEvent,
         geometry::{Alignment2D, Insets, Offset, Point, Rect},
         layout::util::get_user_custom_image,
diff --git a/core/embed/rust/src/ui/model_tt/component/homescreen/mod.rs b/core/embed/rust/src/ui/model_tt/component/homescreen/mod.rs
index dad943255..a89345fef 100644
--- a/core/embed/rust/src/ui/model_tt/component/homescreen/mod.rs
+++ b/core/embed/rust/src/ui/model_tt/component/homescreen/mod.rs
@@ -14,12 +14,12 @@ use crate::{
 };
 
 use crate::{
-    trezorhal::{buffers::BufferJpegWork, display::ToifFormat, uzlib::UZLIB_WINDOW_SIZE},
+    trezorhal::{buffers::BufferJpegWork, uzlib::UZLIB_WINDOW_SIZE},
     ui::{
         constant::HEIGHT,
         display::{
             tjpgd::{jpeg_test, BufferInput},
-            toif::Toif,
+            toif::{Toif, ToifFormat},
         },
         model_tt::component::homescreen::render::{
             HomescreenJpeg, HomescreenToif, HOMESCREEN_TOIF_SIZE,
diff --git a/core/embed/rust/trezorhal.h b/core/embed/rust/trezorhal.h
index aa12b3763..e34711d70 100644
--- a/core/embed/rust/trezorhal.h
+++ b/core/embed/rust/trezorhal.h
@@ -11,7 +11,6 @@
 #include "rgb_led.h"
 #include "secbool.h"
 #include "storage.h"
-#include "toif.h"
 #include "touch.h"
 #include "usb.h"