diff --git a/src/header/arpa_inet/mod.rs b/src/header/arpa_inet/mod.rs
index 69df751967..c4f7af841a 100644
--- a/src/header/arpa_inet/mod.rs
+++ b/src/header/arpa_inet/mod.rs
@@ -13,11 +13,14 @@ use core::{
 use crate::{
     c_str::CStr,
     header::{
-        errno::*,
+        errno::{EAFNOSUPPORT, ENOSPC},
         netinet_in::{INADDR_NONE, in_addr, in_addr_t, ntohl},
-        sys_socket::{constants::*, socklen_t},
+        sys_socket::{constants::AF_INET, socklen_t},
+    },
+    platform::{
+        self,
+        types::{c_char, c_int, c_void},
     },
-    platform::{self, types::*},
     raw_cell::RawCell,
 };
 
diff --git a/src/header/semaphore/mod.rs b/src/header/semaphore/mod.rs
index f8c2b9d100..77006f134e 100644
--- a/src/header/semaphore/mod.rs
+++ b/src/header/semaphore/mod.rs
@@ -4,7 +4,7 @@
 
 use crate::{
     header::time::{CLOCK_MONOTONIC, CLOCK_REALTIME, timespec},
-    platform::types::*,
+    platform::types::{c_char, c_int, c_long, c_uint, clockid_t},
 };
 
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/semaphore.h.html>.
diff --git a/src/sync/mod.rs b/src/sync/mod.rs
index 9f56df5939..dfbdf5a584 100644
--- a/src/sync/mod.rs
+++ b/src/sync/mod.rs
@@ -27,7 +27,7 @@ use crate::{
         time::timespec,
     },
     out::Out,
-    platform::{Pal, Sys, types::*},
+    platform::{Pal, Sys, types::c_int},
 };
 use core::{
     mem::MaybeUninit,
diff --git a/src/sync/semaphore.rs b/src/sync/semaphore.rs
index 5e71af7371..080175a09e 100644
--- a/src/sync/semaphore.rs
+++ b/src/sync/semaphore.rs
@@ -3,7 +3,7 @@
 
 use crate::{
     header::time::{CLOCK_MONOTONIC, clock_gettime, timespec},
-    platform::types::*,
+    platform::types::{c_uint, clockid_t},
 };
 
 use core::sync::atomic::{AtomicU32, Ordering};