diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index b8993520ae4cc..fe1787fca3cb0 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -3550,8 +3550,7 @@ pub impl Parser {
     fn parse_item_mod(&self, outer_attrs: ~[ast::attribute]) -> item_info {
         let id_span = *self.span;
         let id = self.parse_ident();
-        let merge = ::attr::first_attr_value_str_by_name(outer_attrs, "merge");
-        let info_ = if *self.token == token::SEMI {
+        if *self.token == token::SEMI {
             self.bump();
             // This mod is in an external file. Let's go get it!
             let (m, attrs) = self.eval_src_mod(id, outer_attrs, id_span);
@@ -3564,38 +3563,6 @@ pub impl Parser {
             self.expect(&token::RBRACE);
             self.pop_mod_path();
             (id, item_mod(m), Some(inner))
-        };
-
-        // XXX: Transitionary hack to do the template work inside core
-        // (int-template, iter-trait). If there's a 'merge' attribute
-        // on the mod, then we'll go and suck in another file and merge
-        // its contents
-        match merge {
-            Some(path) => {
-                let prefix = Path(
-                    self.sess.cm.span_to_filename(*self.span));
-                let prefix = prefix.dir_path();
-                let path = Path(copy *path);
-                let (new_mod_item, new_attrs) = self.eval_src_mod_from_path(
-                    prefix, path, ~[], id_span);
-
-                let (main_id, main_mod_item, main_attrs) = info_;
-                let main_attrs = main_attrs.get();
-
-                let (main_mod, new_mod) =
-                    match (main_mod_item, new_mod_item) {
-                    (item_mod(m), item_mod(n)) => (m, n),
-                    _ => self.bug("parsed mod item should be mod")
-                };
-                let merged_mod = ast::_mod {
-                    view_items: main_mod.view_items + new_mod.view_items,
-                    items: main_mod.items + new_mod.items
-                };
-
-                let merged_attrs = main_attrs + new_attrs;
-                (main_id, item_mod(merged_mod), Some(merged_attrs))
-            }
-            None => info_
         }
     }
 
diff --git a/src/test/run-pass/mod-merge-hack-inst.rs b/src/test/run-pass/mod-merge-hack-inst.rs
deleted file mode 100644
index 999c6ac2a71d5..0000000000000
--- a/src/test/run-pass/mod-merge-hack-inst.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2012 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.
-
-// xfail-test not a test. used by mod-merge-hack.rs
-
-mod inst {
-    pub type T = i32;
-    pub static bits: uint = 32;
-}
diff --git a/src/test/run-pass/mod-merge-hack-template.rs b/src/test/run-pass/mod-merge-hack-template.rs
deleted file mode 100644
index 7f7dd33dc099f..0000000000000
--- a/src/test/run-pass/mod-merge-hack-template.rs
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2012 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.
-
-// xfail-test not a test. used by mod-merge-hack.rs
-
-use T = self::inst::T;
-
-pub static bits: uint = inst::bits;
-pub fn min(x: T, y: T) -> T { if x < y { x } else { y } }
diff --git a/src/test/run-pass/mod-merge-hack.rs b/src/test/run-pass/mod-merge-hack.rs
deleted file mode 100644
index fdef8c5b54102..0000000000000
--- a/src/test/run-pass/mod-merge-hack.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2012 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.
-
-// xfail-pretty
-#[path = "mod-merge-hack-template.rs"]
-#[merge = "mod-merge-hack-inst.rs"]
-mod myint32;
-
-pub fn main() {
-    assert_eq!(myint32::bits, 32);
-    assert_eq!(myint32::min(10, 20), 10);
-}