diff --git a/src/librustc_typeck/check/cast.rs b/src/librustc_typeck/check/cast.rs
index a877df68326d..418ea29b84f2 100644
--- a/src/librustc_typeck/check/cast.rs
+++ b/src/librustc_typeck/check/cast.rs
@@ -147,7 +147,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
 }
 
 #[derive(Copy, Clone)]
-enum CastError {
+pub enum CastError {
     ErrorReported,
 
     CastToBool,
@@ -593,7 +593,7 @@ impl<'a, 'tcx> CastCheck<'tcx> {
     /// Checks a cast, and report an error if one exists. In some cases, this
     /// can return Ok and create type errors in the fcx rather than returning
     /// directly. coercion-cast is handled in check instead of here.
-    fn do_check(&self, fcx: &FnCtxt<'a, 'tcx>) -> Result<CastKind, CastError> {
+    pub fn do_check(&self, fcx: &FnCtxt<'a, 'tcx>) -> Result<CastKind, CastError> {
         use rustc_middle::ty::cast::CastTy::*;
         use rustc_middle::ty::cast::IntTy::*;
 
diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs
index 6cefc99f7b17..3af571417ff5 100644
--- a/src/librustc_typeck/check/mod.rs
+++ b/src/librustc_typeck/check/mod.rs
@@ -67,7 +67,7 @@ type parameter).
 pub mod _match;
 mod autoderef;
 mod callee;
-mod cast;
+pub mod cast;
 mod closure;
 pub mod coercion;
 mod compare_method;
diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs
index 9ba2545ba63c..4eee4f572c2b 100644
--- a/src/librustc_typeck/lib.rs
+++ b/src/librustc_typeck/lib.rs
@@ -74,11 +74,11 @@ extern crate log;
 #[macro_use]
 extern crate rustc_middle;
 
-// This is used by Clippy.
+// These are used by Clippy.
 pub mod expr_use_visitor;
+pub mod check;
 
 mod astconv;
-mod check;
 mod check_unused;
 mod coherence;
 mod collect;