diff --git a/src/platform/macos/c_libproc.rs b/src/platform/macos/c_libproc.rs
index f710dcc..3b9cf7c 100644
--- a/src/platform/macos/c_libproc.rs
+++ b/src/platform/macos/c_libproc.rs
@@ -30,5 +30,5 @@ extern "C" {
 }
 
 extern "C" {
-    pub fn proc_name(pid: c_int, buffer: *mut c_void, buffersize: u32) -> c_int;
+    pub(super) fn proc_name(pid: c_int, buffer: *mut c_void, buffersize: u32) -> c_int;
 }
diff --git a/src/platform/windows/c_iphlpapi.rs b/src/platform/windows/c_iphlpapi.rs
index bc7fce0..d7ff4ae 100644
--- a/src/platform/windows/c_iphlpapi.rs
+++ b/src/platform/windows/c_iphlpapi.rs
@@ -3,7 +3,7 @@ use std::ffi::{c_int, c_ulong, c_void};
 #[allow(non_snake_case)]
 #[link(name = "iphlpapi")]
 extern "system" {
-    pub fn GetExtendedTcpTable(
+    pub(super) fn GetExtendedTcpTable(
         pTcpTable: *mut c_void,
         pdwSize: *mut c_ulong,
         bOrder: c_int,