diff --git a/src/arch/Cargo.toml b/src/arch/Cargo.toml
index ef886adc0..a075c65d7 100644
--- a/src/arch/Cargo.toml
+++ b/src/arch/Cargo.toml
@@ -7,9 +7,10 @@ authors = []
 name = "uu_arch"
 path = "arch.rs"
 
-[dependencies]
-libc = "*"
-uucore = { path="../uucore" }
+[dependencies.uucore]
+path = "../uucore"
+default-features = false
+features = ["utsname"]
 
 [[bin]]
 name = "arch"
diff --git a/src/arch/arch.rs b/src/arch/arch.rs
index 94dfb3a89..7c13f8024 100644
--- a/src/arch/arch.rs
+++ b/src/arch/arch.rs
@@ -1,54 +1,25 @@
 #![crate_name = "uu_arch"]
 
-/*
- * This file is part of the uutils coreutils package.
- *
- * (c) Smigle00 <smigle00@gmail.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-extern crate libc;
+// This file is part of the uutils coreutils package.
+//
+// (c) Smigle00 <smigle00@gmail.com>
+// (c) Jian Zeng <anonymousknight96 AT gmail.com>
+//
+// For the full copyright and license information, please view the LICENSE
+// file that was distributed with this source code.
+//
 
 #[macro_use]
 extern crate uucore;
-
-use std::ffi::CStr;
-use std::mem::uninitialized;
-use uucore::c_types::utsname;
+use uucore::utsname::Uname;
 
 static SYNTAX: &'static str = "";
 static SUMMARY: &'static str = "Determine architecture name for current machine.";
 static LONG_HELP: &'static str = "";
 
-struct Arch {
-    arch_name: String
-}
-
-extern {
-    fn uname(uts: *mut utsname);
-}
-
-unsafe fn string_from_c_str(ptr: *const i8) -> String {
-    String::from_utf8_lossy(CStr::from_ptr(ptr as *const std::os::raw::c_char).to_bytes()).to_string()
-}
-
-unsafe fn get_machine_arch() -> Arch {
-    let mut uts: utsname = uninitialized();
-    uname(&mut uts);
-    Arch {
-        arch_name: string_from_c_str(uts.machine.as_ptr()  as *const i8)
-    }
-}
-
 pub fn uumain(args: Vec<String>) -> i32 {
     new_coreopts!(SYNTAX, SUMMARY, LONG_HELP).parse(args);
-
-    let machine_arch = unsafe { get_machine_arch() };
-    let mut output = String::new();
-    output.push_str(machine_arch.arch_name.as_ref());
-    println!("{}", output.trim());
-
+    let uts = Uname::new();
+    println!("{}", uts.machine().trim());
     0
 }