diff --git a/src/librustc_trans/common.rs b/src/librustc_trans/common.rs
index 9b893e19894e..6ae5fc1657aa 100644
--- a/src/librustc_trans/common.rs
+++ b/src/librustc_trans/common.rs
@@ -114,8 +114,7 @@ pub fn type_pair_fields<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, ty: Ty<'tcx>)
             if tys.len() != 2 {
                 return None;
             }
-            Some([ccx.tcx().normalize_associated_type(&tys[0]),
-                  ccx.tcx().normalize_associated_type(&tys[1])])
+            Some([tys[0], tys[1]])
         }
         _ => None
     }
diff --git a/src/test/run-pass/issue-37109.rs b/src/test/run-pass/issue-37109.rs
deleted file mode 100644
index 1c893071d558..000000000000
--- a/src/test/run-pass/issue-37109.rs
+++ /dev/null
@@ -1,25 +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.
-
-trait ToRef<'a> {
-    type Ref: 'a;
-}
-
-impl<'a, U: 'a> ToRef<'a> for U {
-    type Ref = &'a U;
-}
-
-fn example<'a, T>(value: &'a T) -> (<T as ToRef<'a>>::Ref, u32) {
-    (value, 0)
-}
-
-fn main() {
-    example(&0);
-}