diff --git a/id/id.rs b/id/id.rs
index c6581a5d7..e75ba70a2 100644
--- a/id/id.rs
+++ b/id/id.rs
@@ -21,7 +21,6 @@ extern crate libc;
 use std::os;
 use std::ptr::read;
 use libc::{
-    c_int,
     uid_t,
     getgid,
     getuid