diff --git a/src/libbuild_zynq/lib.rs b/src/libbuild_zynq/lib.rs
index d0a10605..6e5c851a 100644
--- a/src/libbuild_zynq/lib.rs
+++ b/src/libbuild_zynq/lib.rs
@@ -1,8 +1,5 @@
-use std::env;
 use std::fs::File;
-use std::io::Write;
 use std::io::{BufRead, BufReader};
-use std::path::PathBuf;
 
 pub fn cfg() {
     // Handle rustc-cfg file
diff --git a/src/runtime/build.rs b/src/runtime/build.rs
index 32e3fc72..04ead8dd 100644
--- a/src/runtime/build.rs
+++ b/src/runtime/build.rs
@@ -1,5 +1,6 @@
 use std::env;
 use std::fs::File;
+use std::io::Write;
 use std::path::PathBuf;
 
 extern crate build_zynq;
diff --git a/src/satman/build.rs b/src/satman/build.rs
index d16dad7e..3385371b 100644
--- a/src/satman/build.rs
+++ b/src/satman/build.rs
@@ -1,5 +1,6 @@
 use std::env;
 use std::fs::File;
+use std::io::Write;
 use std::path::PathBuf;
 
 extern crate build_zynq;