diff --git a/src/header/sys_mman/linux.rs b/src/header/sys_mman/linux.rs
index e795718913..5fc27ce4d7 100644
--- a/src/header/sys_mman/linux.rs
+++ b/src/header/sys_mman/linux.rs
@@ -1,4 +1,4 @@
-use crate::platform::types::*;
+use crate::platform::types::c_int;
 
 pub const PROT_READ: c_int = 0x0001;
 pub const PROT_WRITE: c_int = 0x0002;
diff --git a/src/header/sys_mman/mod.rs b/src/header/sys_mman/mod.rs
index c45a32f03c..b8e98db922 100644
--- a/src/header/sys_mman/mod.rs
+++ b/src/header/sys_mman/mod.rs
@@ -6,7 +6,10 @@ use crate::{
     c_str::{CStr, CString},
     error::{Errno, ResultExt},
     header::{fcntl, unistd},
-    platform::{ERRNO, Pal, Sys, types::*},
+    platform::{
+        ERRNO, Pal, Sys,
+        types::{c_char, c_int, c_void, mode_t, off_t, size_t},
+    },
 };
 
 pub use self::sys::*;
diff --git a/src/header/sys_mman/redox.rs b/src/header/sys_mman/redox.rs
index 71f4170cf1..ea0ee2215d 100644
--- a/src/header/sys_mman/redox.rs
+++ b/src/header/sys_mman/redox.rs
@@ -1,4 +1,4 @@
-use crate::platform::types::*;
+use crate::platform::types::c_int;
 
 pub const PROT_NONE: c_int = 0x0000;
 pub const PROT_EXEC: c_int = 0x0001;
diff --git a/src/header/sys_time/mod.rs b/src/header/sys_time/mod.rs
index 510f79efed..9eecc9fdad 100644
--- a/src/header/sys_time/mod.rs
+++ b/src/header/sys_time/mod.rs
@@ -7,7 +7,10 @@ use crate::{
     error::ResultExt,
     header::time::timespec,
     out::Out,
-    platform::{Pal, PalSignal, Sys, types::*},
+    platform::{
+        Pal, PalSignal, Sys,
+        types::{c_char, c_int, c_long, suseconds_t, time_t},
+    },
 };
 use core::ptr::null;
 
diff --git a/src/header/sys_timeb/mod.rs b/src/header/sys_timeb/mod.rs
index fdb6877829..8960ac3132 100644
--- a/src/header/sys_timeb/mod.rs
+++ b/src/header/sys_timeb/mod.rs
@@ -14,7 +14,7 @@ use core::ptr::NonNull;
 
 use crate::{
     header::sys_time::{gettimeofday, timeval, timezone},
-    platform::types::*,
+    platform::types::{c_int, c_short, c_ushort, time_t},
 };
 
 /// See <https://pubs.opengroup.org/onlinepubs/009695399/basedefs/sys/timeb.h.html>.