diff --git a/src/librustc/middle/typeck/check/regionck.rs b/src/librustc/middle/typeck/check/regionck.rs
index 2007742b43a..6682082bd18 100644
--- a/src/librustc/middle/typeck/check/regionck.rs
+++ b/src/librustc/middle/typeck/check/regionck.rs
@@ -32,7 +32,6 @@ use core::prelude::*;
 use middle::freevars::get_freevars;
 use middle::pat_util::{pat_bindings, pat_is_binding};
 use middle::ty::{encl_region, re_scope};
-use middle::ty::{vstore_box, vstore_fixed, vstore_slice};
 use middle::ty;
 use middle::typeck::check::FnCtxt;
 use middle::typeck::check::lookup_def;
diff --git a/src/librustc/middle/typeck/check/regionmanip.rs b/src/librustc/middle/typeck/check/regionmanip.rs
index c78a91b95e4..abbefd1f7e6 100644
--- a/src/librustc/middle/typeck/check/regionmanip.rs
+++ b/src/librustc/middle/typeck/check/regionmanip.rs
@@ -20,8 +20,6 @@ use util::ppaux::region_to_str;
 use util::ppaux;
 
 use std::list::Cons;
-use syntax::ast;
-use syntax::codemap;
 
 // Helper functions related to manipulating region types.
 
diff --git a/src/librustc/middle/typeck/mod.rs b/src/librustc/middle/typeck/mod.rs
index 1787c733ed5..7724b43b50f 100644
--- a/src/librustc/middle/typeck/mod.rs
+++ b/src/librustc/middle/typeck/mod.rs
@@ -51,7 +51,6 @@ independently:
 use core::prelude::*;
 
 use middle::resolve;
-use middle::ty::{ty_param_substs_and_ty, vstore_uniq};
 use middle::ty;
 use util::common::time;
 use util::ppaux;