diff --git a/src/header/errno/mod.rs b/src/header/errno/mod.rs
index 71901a0672..5ba60b1c99 100644
--- a/src/header/errno/mod.rs
+++ b/src/header/errno/mod.rs
@@ -5,7 +5,10 @@
 // TODO: set this for entire crate when possible
 #![deny(unsafe_op_in_unsafe_fn)]
 
-use crate::platform::{self, types::*};
+use crate::platform::{
+    self,
+    types::{c_char, c_int},
+};
 
 //TODO: Consider removing, provided for compatibility with newlib
 #[unsafe(no_mangle)]
diff --git a/src/header/inttypes/mod.rs b/src/header/inttypes/mod.rs
index 7223d1ad7f..8678304f98 100644
--- a/src/header/inttypes/mod.rs
+++ b/src/header/inttypes/mod.rs
@@ -6,7 +6,10 @@
 
 use crate::{
     header::{ctype, errno::*, stdlib::*},
-    platform::{self, types::*},
+    platform::{
+        self,
+        types::{c_char, c_int, c_long, intmax_t, uintmax_t},
+    },
 };
 
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/imaxabs.html>.
diff --git a/src/header/malloc/mod.rs b/src/header/malloc/mod.rs
index 6d5a49b33f..5061e2098d 100644
--- a/src/header/malloc/mod.rs
+++ b/src/header/malloc/mod.rs
@@ -3,8 +3,11 @@
 //! Non-POSIX, see <https://man7.org/linux/man-pages/man3/posix_memalign.3.html>.
 
 use crate::{
-    header::errno::*,
-    platform::{self, ERRNO, Pal, Sys, types::*},
+    header::errno::ENOMEM,
+    platform::{
+        self, ERRNO, Pal, Sys,
+        types::{c_void, size_t},
+    },
 };
 use core::ptr;