diff --git a/src/etc/licenseck.py b/src/etc/licenseck.py
index 1e0c541cd892..91231430d2a0 100644
--- a/src/etc/licenseck.py
+++ b/src/etc/licenseck.py
@@ -76,6 +76,8 @@ exceptions = [
     "rt/isaac/randport.cpp", # public domain
     "rt/isaac/rand.h", # public domain
     "rt/isaac/standard.h", # public domain
+    "libstd/rt/mpsc_queue.rs", # BSD
+    "libstd/rt/mpmc_bounded_queue.rs", # BSD
 ]
 
 def check_license(name, contents):
diff --git a/src/libstd/rt/mpmc_bounded_queue.rs b/src/libstd/rt/mpmc_bounded_queue.rs
index ea5d1050c188..a8ef53642766 100644
--- a/src/libstd/rt/mpmc_bounded_queue.rs
+++ b/src/libstd/rt/mpmc_bounded_queue.rs
@@ -2,14 +2,14 @@
  * Copyright (c) 2010-2011 Dmitry Vyukov. All rights reserved.
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
- * 
+ *
  *    1. Redistributions of source code must retain the above copyright notice,
  *       this list of conditions and the following disclaimer.
- * 
+ *
  *    2. Redistributions in binary form must reproduce the above copyright
  *       notice, this list of conditions and the following disclaimer in the
  *       documentation and/or other materials provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY DMITRY VYUKOV "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
diff --git a/src/libstd/rt/mpsc_queue.rs b/src/libstd/rt/mpsc_queue.rs
index 93e66838a42a..38186aa7e8c2 100644
--- a/src/libstd/rt/mpsc_queue.rs
+++ b/src/libstd/rt/mpsc_queue.rs
@@ -2,14 +2,14 @@
  * Copyright (c) 2010-2011 Dmitry Vyukov. All rights reserved.
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
- * 
+ *
  *    1. Redistributions of source code must retain the above copyright notice,
  *       this list of conditions and the following disclaimer.
- * 
+ *
  *    2. Redistributions in binary form must reproduce the above copyright
  *       notice, this list of conditions and the following disclaimer in the
  *       documentation and/or other materials provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY DMITRY VYUKOV "AS IS" AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT