diff --git a/build.rs b/build.rs
index 6ec3857..3fcaaf9 100644
--- a/build.rs
+++ b/build.rs
@@ -1,10 +1,3 @@
-// Copyright 2018 The Rust Project Developers
-//
-// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
-// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
-// http://opensource.org/licenses/MIT>, at your option. This file may not be
-// copied, modified, or distributed except according to those terms.
-
 use std::env;
 
 fn main() {
diff --git a/src/git.rs b/src/git.rs
index 16c7900..a355445 100644
--- a/src/git.rs
+++ b/src/git.rs
@@ -1,10 +1,3 @@
-// Copyright 2018 The Rust Project Developers
-//
-// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
-// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
-// http://opensource.org/licenses/MIT>, at your option. This file may not be
-// copied, modified, or distributed except according to those terms.
-
 //! Get git commits with help of the libgit2 library
 
 const RUST_SRC_URL: &str = "https://github.com/rust-lang/rust";
diff --git a/src/least_satisfying.rs b/src/least_satisfying.rs
index c2f94fe..47529dc 100644
--- a/src/least_satisfying.rs
+++ b/src/least_satisfying.rs
@@ -1,10 +1,3 @@
-// Copyright 2018 The Rust Project Developers
-//
-// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
-// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
-// http://opensource.org/licenses/MIT>, at your option. This file may not be
-// copied, modified, or distributed except according to those terms.
-
 use std::collections::BTreeMap;
 use std::fmt;
 
diff --git a/src/main.rs b/src/main.rs
index bf3bd15..aea9cc0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,3 @@
-// Copyright 2018 The Rust Project Developers
-//
-// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
-// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
-// http://opensource.org/licenses/MIT>, at your option. This file may not be
-// copied, modified, or distributed except according to those terms.
-
 use std::env;
 use std::ffi::OsString;
 use std::fmt;
diff --git a/src/toolchains.rs b/src/toolchains.rs
index 4d85e7c..cbbee73 100644
--- a/src/toolchains.rs
+++ b/src/toolchains.rs
@@ -1,9 +1,3 @@
-// Copyright 2018 The Rust Project Developers
-//
-// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
-// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
-// http://opensource.org/licenses/MIT>, at your option. This file may not be
-// copied, modified, or distributed except according to those terms.
 use std::fmt;
 use std::fs;
 use std::io::{self, Read, Write};