diff --git a/theme/bootstrapbase/README.txt b/theme/bootstrapbase/README.txt
index c20c74c10c3..dadc4996441 100644
--- a/theme/bootstrapbase/README.txt
+++ b/theme/bootstrapbase/README.txt
@@ -36,15 +36,9 @@ Explorer 8 (IE8) a javascript library call /javascript/html5shiv.js was added. T
 JavaScript converts HTML tags and CSS into Tag that are understood by IE7 and IE8.
 The config.php makes sure these libraries are only loaded for IE7 and IE8.
 
-bootstrapcollapse.js, bootstrapdropdown.js, bootstrapengine.js
---------------------------------------------------------------
-These are the 3 out of 12 original YUI ports of the Twitter Bootstrap jQuery libraries by
-Jay Shirley. The full list of the ported libraries can be found here:
-https://github.com/jshirley/bootstrap/tree/master/js
-
 moodlebootstrap.js
 ------------------
-This file initiates the bootstrap*.js libraries.
+This file initiates the bootstrap library.
 
 headercollapse.js
 -----------------
@@ -76,25 +70,6 @@ https://github.com/aFarkas/html5shiv/blob/master/src/html5shiv.js
 To update to the latest release of html5shiv download and replace:
 javascript/html5shiv.js
 
-bootstrapcollapse.js, bootstrapdropdown.js, bootstrapengine.js
---------------------------------------------------------------
-This them uses YUI ports of the Twitter bootstrap jQuery based libs. These ported files are available on:
-
-https://github.com/jshirley/yui3-gallery/blob/master/src/gallery-bootstrap-collapse/js/bootstrap-collapse.js
-https://github.com/jshirley/yui3-gallery/blob/master/src/gallery-bootstrap-dropdown/js/bootstrap-dropdown.js
-https://github.com/jshirley/yui3-gallery/blob/master/src/gallery-bootstrap-engine/js/bootstrap-engine.js
-
-The content of these files are slightly modified to make sure all required YUI libraries are loaded. To achieve
-that the first and last line of each of these files has been modified.
-
-The YUI port of the Twitter bootstrap libs are now longer maintained. If you need all of the Bootstrap JavaScript
-functionality consider switching to the original jQuery version of these file
-
-If you do want to update use these file locations:
-javascript/bootstrap-collapse.js
-javascript/bootstrap-dropdown.js
-javascript/bootstrap-engine.js
-
 Licenses & Authors
 ==================
 
@@ -124,25 +99,6 @@ Author: Sjoerd Visscher
 URL: http://en.wikipedia.org/wiki/HTML5_Shiv, https://github.com/aFarkas/html5shiv
 License: MIT/GPL2 Licensed
 
-bootstrapcollapse.js, bootstrapdropdown.js, bootstrapengine.js
---------------------------------------------------------------
-Author: Jay Shirley
-URL: http://jshirley.github.com/bootstrap/
-License:
-Copyright 2012 Twitter, Inc.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this work except in compliance with the License.
-You may obtain a copy of the License in the LICENSE file, or at:
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
 moodlebootstrap.js
 ------------------
 Author: 2013 Bas Brands. www.sonsbeekmedia.nl
diff --git a/theme/bootstrapbase/readme_moodle.txt b/theme/bootstrapbase/readme_moodle.txt
index 4396ff9b84a..bc95e049d50 100644
--- a/theme/bootstrapbase/readme_moodle.txt
+++ b/theme/bootstrapbase/readme_moodle.txt
@@ -31,20 +31,3 @@ https://github.com/aFarkas/html5shiv/blob/master/src/html5shiv.js
 To update to the latest release of html5shiv:
 * download and replace: javascript/html5shiv.js
 * update ./thirdpartylibs.xml
-
-bootstrapcollapse.js, bootstrapdropdown.js, bootstrapengine.js
---------------------------------------------------------------
-This theme uses YUI ports of the Twitter bootstrap jQuery based libs.
-
-Upgrade procedure:
-* git clone https://github.com/jshirley/yui-gallery.git
-* from that repository copy:
-** build/gallery-bootstrap-collapse/gallery-bootstrap-collapse-debug.js to js/gallery-bootstrapcollapse.js
-** build/gallery-bootstrap-dropdown/gallery-bootstrap-dropdown-debug.js to js/gallery-bootstrapdropdown.js
-** build/gallery-bootstrap-engine/gallery-bootstrap-engine-debug.js to js/gallery-bootstrapengine.js
-* apply patches from MDL-43152 to address linting issues
-* run shifter on this directory as required
-* update ../../../thirdpartylibs.xml
-
-The YUI port of the Twitter bootstrap libs are now longer maintained. If you need all of the Bootstrap JavaScript
-functionality consider switching to the original jQuery version of these file
diff --git a/theme/bootstrapbase/thirdpartylibs.xml b/theme/bootstrapbase/thirdpartylibs.xml
index 8be3ae0c161..bfbf0e48492 100644
--- a/theme/bootstrapbase/thirdpartylibs.xml
+++ b/theme/bootstrapbase/thirdpartylibs.xml
@@ -14,25 +14,4 @@
     <version>3.6.2</version>
     <licenseversion>2.0</licenseversion>
   </library>
-  <library>
-    <location>yui/src/bootstrap/js/bootstrapcollapse.js</location>
-    <name>Gallery Bootstrap Collapse</name>
-    <license>BSD</license>
-    <version>2012.08.22-20-00</version>
-    <licenseversion></licenseversion>
-  </library>
-  <library>
-    <location>yui/src/bootstrap/js/bootstrapdropdown.js</location>
-    <name>Gallery Bootstrap Dropdown</name>
-    <license>BSD</license>
-    <version>2012.08.22-20-00</version>
-    <licenseversion></licenseversion>
-  </library>
-  <library>
-    <location>yui/src/bootstrap/js/bootstrapengine.js</location>
-    <name>Gallery Bootstrap Engine</name>
-    <license>BSD</license>
-    <version>2012.08.22-20-00</version>
-    <licenseversion></licenseversion>
-  </library>
 </libraries>