diff --git a/src/fontations/Cargo.lock b/src/fontations/Cargo.lock
new file mode 100644
index 000000000..c46a522ab
--- /dev/null
+++ b/src/fontations/Cargo.lock
@@ -0,0 +1,332 @@
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+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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diff --git a/src/fontations/Cargo.toml b/src/fontations/Cargo.toml
new file mode 100644
index 000000000..77c9d9a16
--- /dev/null
+++ b/src/fontations/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "harfbuzz-fontations"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+read-fonts = { version = "0.23", features = [ "experimental_traverse" ]}
+font-types = { version = "0.7", features = ["bytemuck"]}
+skrifa = "0.24"
+bytemuck = { version = "1.19.0" , features = [ 'derive', 'min_const_generics'] }
+bytemuck_derive = "1"
+cxx = "1.0"
+libc = "0.2"
+
+[lib]
+name = "harfbuzz_fontations"
+path = "lib.rs"
+crate-type = ["cdylib"]
diff --git a/src/fontations/lib.rs b/src/fontations/lib.rs
index c6946e45b..2e980bce3 100644
--- a/src/fontations/lib.rs
+++ b/src/fontations/lib.rs
@@ -1,6 +1,6 @@
 #![allow(non_camel_case_types)]
 #![allow(non_upper_case_globals)]
-include!(concat!(env!("BUILD_ROOT"), "/src", "/hb.rs"));
+include!(concat!(env!("OUT_DIR"), "/hb.rs"));
 
 use std::os::raw::{c_void};
 use std::ptr::{null_mut};
@@ -12,7 +12,7 @@ use std::ptr::{null_mut};
 
 // A struct for storing your “fontations” data
 #[repr(C)]
-pub struct FontationsData {
+struct FontationsData {
     // e.g. storing an owned font buffer, or read-fonts handles:
     // font_bytes: Vec<u8>,
     // font_ref: Option<FontRef<'static>>,
@@ -21,7 +21,7 @@ pub struct FontationsData {
 
 // A destructor for the user_data
 #[no_mangle]
-pub extern "C" fn fontations_data_destroy(ptr: *mut c_void) {
+extern "C" fn fontations_data_destroy(ptr: *mut c_void) {
     if !ptr.is_null() {
         unsafe { let _ = Box::from_raw(ptr as *mut FontationsData); }
     }
@@ -29,7 +29,7 @@ pub extern "C" fn fontations_data_destroy(ptr: *mut c_void) {
 
 // Our callback: get glyph horizontal advance
 #[no_mangle]
-pub extern "C" fn hb_fontations_get_glyph_h_advance(
+extern "C" fn _hb_fontations_get_glyph_h_advance(
     _font: *mut hb_font_t,
     font_data: *mut c_void,
     glyph: hb_codepoint_t,
@@ -45,13 +45,13 @@ pub extern "C" fn hb_fontations_get_glyph_h_advance(
 }
 
 #[no_mangle]
-pub extern "C" fn _hb_fontations_font_funcs_create() -> *mut hb_font_funcs_t {
+extern "C" fn _hb_fontations_font_funcs_create() -> *mut hb_font_funcs_t {
     let ffuncs = unsafe { hb_font_funcs_create() };
 
     unsafe {
         hb_font_funcs_set_glyph_h_advance_func(
             ffuncs,
-            Some(hb_fontations_get_glyph_h_advance),
+            Some(_hb_fontations_get_glyph_h_advance),
             null_mut(),
             None
         );
diff --git a/src/meson.build b/src/meson.build
index 2bc5c6216..d92363929 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -696,8 +696,9 @@ endif
 libharfbuzz_fontations_dep = null_dep
 if get_option('fontations').enabled()
 
+  subdir('fontations')
+
   hb_fontations_sources = [
-    'fontations/lib.rs',
   ]
 
   hb_fontations_headers = [
@@ -706,10 +707,8 @@ if get_option('fontations').enabled()
 
   libharfbuzz_fontations = library('harfbuzz-fontations', hb_fontations_sources,
     include_directories: incconfig,
-    link_with: [libharfbuzz],
-    cpp_args: cpp_args + extra_hb_cpp_args,
-    rust_args: ['-Z', 'unstable-options',
-                '--env-set', 'BUILD_ROOT='+meson.build_root()],
+    link_with: [libharfbuzz, cargo_build],
+    dependencies: [harfbuzz_fontations_dep],
     soversion: hb_so_version,
     version: version,
     rust_abi: 'c',
@@ -738,16 +737,6 @@ if get_option('fontations').enabled()
     subdirs: [meson.project_name()],
     version: meson.project_version(),
   )
-
-  rust = import('unstable-rust')
-
-  generated = rust.bindgen(
-    input : 'hb.h',
-    output : 'hb.rs',
-    include_directories: incsrc,
-    args : ['--allowlist-function=hb_.*', '--allowlist-type=hb_.*'],
-    #args : ['--no-rustfmt-bindings'],
-  )
 endif
 
 if get_option('tests').enabled()
diff --git a/util/meson.build b/util/meson.build
index e1a43d8be..4e326f1fa 100644
--- a/util/meson.build
+++ b/util/meson.build
@@ -19,7 +19,7 @@ hb_subset_cli_sources = [
   'helper-subset.hh',
 ]
 
-util_deps = [freetype_dep, cairo_dep, cairo_ft_dep, glib_dep, libharfbuzz_fontations_dep]
+util_deps = [freetype_dep, cairo_dep, cairo_ft_dep, glib_dep, harfbuzz_fontations_dep]
 
 if conf.get('HAVE_GLIB', 0) == 1
   if conf.get('HAVE_CAIRO', 0) == 1