diff --git a/src/librustc_const_eval/lib.rs b/src/librustc_const_eval/lib.rs
deleted file mode 100644
index 2620448927d86..0000000000000
--- a/src/librustc_const_eval/lib.rs
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.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.
-
-//! constant evaluation on the HIR and code to validate patterns/matches
-//!
-//! # Note
-//!
-//! This API is completely unstable and subject to change.
-
-#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
-      html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
-      html_root_url = "https://doc.rust-lang.org/nightly/")]
-#![deny(warnings)]
-
-#![feature(rustc_diagnostic_macros)]
-#![feature(box_patterns)]
-#![feature(box_syntax)]
-#![feature(macro_lifetime_matcher)]
-#![cfg_attr(stage0, feature(i128_type))]
-#![feature(from_ref)]
-
-extern crate arena;
-#[macro_use] extern crate syntax;
-#[macro_use] extern crate log;
-#[macro_use] extern crate rustc;
-extern crate rustc_const_math;
-extern crate rustc_data_structures;
-extern crate rustc_errors;
-extern crate syntax_pos;
-
-// NB: This module needs to be declared first so diagnostics are
-// registered before they are used.
-mod diagnostics;
-
-mod eval;
-mod _match;
-pub mod check_match;
-pub mod pattern;
-
-pub use eval::*;
-
-use rustc::ty::maps::Providers;
-
-pub fn provide(providers: &mut Providers) {
-    *providers = Providers {
-        check_match: check_match::check_match,
-        ..*providers
-    };
-}
-
-// Build the diagnostics array at the end so that the metadata includes error use sites.
-__build_diagnostic_array! { librustc_const_eval, DIAGNOSTICS }