diff --git a/src/header/bits_mode-t/cbindgen.toml b/src/header/bits_mode-t/cbindgen.toml
new file mode 100644
index 0000000000..614acf95e4
--- /dev/null
+++ b/src/header/bits_mode-t/cbindgen.toml
@@ -0,0 +1,22 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html
+#
+# This type is split out to prevent importing all of sys/types.h into other headers.
+#
+# POSIX headers that require mode_t:
+# - fcntl.h
+# - ndbm.h (TODO not present in relibc)
+# - spawn.h (TODO not present in relibc)
+# - sys/ipc.h (TODO not present in relibc)
+# - sys/mman.h
+# - sys/stat.h
+# - sys/types.h (where it should be defined)
+sys_includes = []
+include_guard = "_RELIBC_BITS_MODE_T_H"
+language = "C"
+style = "type"
+no_includes = true
+cpp_compat = true
+[export]
+include = ["mode_t"]
+[enum]
+prefix_with_name = true
diff --git a/src/header/bits_mode-t/mod.rs b/src/header/bits_mode-t/mod.rs
new file mode 100644
index 0000000000..f2d48bae81
--- /dev/null
+++ b/src/header/bits_mode-t/mod.rs
@@ -0,0 +1,14 @@
+#[cfg(target_os = "linux")]
+use crate::platform::types::c_uint;
+
+#[cfg(not(target_os = "linux"))]
+use crate::platform::types::c_int;
+
+/// Used for some file attributes.
+#[allow(non_camel_case_types)]
+#[cfg(target_os = "linux")]
+pub type mode_t = c_uint;
+/// Used for some file attributes.
+#[allow(non_camel_case_types)]
+#[cfg(not(target_os = "linux"))]
+pub type mode_t = c_int;
diff --git a/src/header/mod.rs b/src/header/mod.rs
index b4238a31c8..05d18ba711 100644
--- a/src/header/mod.rs
+++ b/src/header/mod.rs
@@ -16,6 +16,8 @@ pub mod bits_id_t;
 pub mod bits_iovec;
 #[path = "bits_locale-t/mod.rs"]
 pub mod bits_locale_t;
+#[path = "bits_mode-t/mod.rs"]
+pub mod bits_mode_t;
 #[path = "bits_off-t/mod.rs"]
 pub mod bits_off_t;
 #[path = "bits_pid-t/mod.rs"]
diff --git a/src/header/sys_types_internal/cbindgen.toml b/src/header/sys_types_internal/cbindgen.toml
index e587255ff9..f9ee2bffa4 100644
--- a/src/header/sys_types_internal/cbindgen.toml
+++ b/src/header/sys_types_internal/cbindgen.toml
@@ -6,6 +6,7 @@ after_includes = """
 #include <bits/clockid-t.h>
 #include <bits/gid-t.h>
 #include <bits/id-t.h>
+#include <bits/mode-t.h>
 #include <bits/off-t.h>
 #include <bits/pid-t.h>
 #include <bits/ssize-t.h>
@@ -26,7 +27,6 @@ include = [
   "dev_t",
   "ino_t",
   "reclen_t",
-  "mode_t",
   "nlink_t",
   "useconds_t",
   "blkcnt_t",
diff --git a/src/header/sys_types_internal/mod.rs b/src/header/sys_types_internal/mod.rs
index 6bd3b63b7c..89dacc4f87 100644
--- a/src/header/sys_types_internal/mod.rs
+++ b/src/header/sys_types_internal/mod.rs
@@ -9,11 +9,9 @@
 
 pub use crate::header::{
     bits_clock_t::clock_t, bits_clockid_t::clockid_t, bits_gid_t::gid_t, bits_id_t::id_t,
-    bits_off_t::off_t, bits_pid_t::pid_t, bits_ssize_t::ssize_t, bits_suseconds_t::suseconds_t,
-    bits_time_t::time_t, bits_uid_t::uid_t,
+    bits_mode_t::mode_t, bits_off_t::off_t, bits_pid_t::pid_t, bits_ssize_t::ssize_t,
+    bits_suseconds_t::suseconds_t, bits_time_t::time_t, bits_uid_t::uid_t,
 };
-#[cfg(not(target_os = "linux"))]
-use crate::platform::types::c_int;
 use crate::platform::types::{
     c_char, c_long, c_longlong, c_uchar, c_uint, c_ulong, c_ulonglong, c_ushort,
 };
@@ -26,12 +24,6 @@ pub type dev_t = c_ulonglong;
 pub type ino_t = c_ulonglong;
 /// Used for directory entry lengths.
 pub type reclen_t = c_ushort;
-/// Used for some file attributes.
-#[cfg(target_os = "linux")]
-pub type mode_t = c_uint;
-/// Used for some file attributes.
-#[cfg(not(target_os = "linux"))]
-pub type mode_t = c_int;
 /// Used for link counts.
 pub type nlink_t = c_ulong;
 pub type useconds_t = c_uint;