diff --git a/toolkit/content/license.html b/toolkit/content/license.html
index 5bcc39dc5583..51d070e4d235 100644
--- a/toolkit/content/license.html
+++ b/toolkit/content/license.html
@@ -148,7 +148,6 @@
       <li><a href="about:license#owning_ref">owning_ref License</a></li>
       <li><a href="about:license#pbkdf2-sha256">pbkdf2_sha256 License</a></li>
       <li><a href="about:license#phf">phf, phf_codegen, phf_generator, phf_shared License</a></li>
-      <li><a href="about:license#polymer">Polymer License</a></li>
       <li><a href="about:license#praton">praton License</a></li>
       <li><a href="about:license#praton1">praton and inet_ntop License</a></li>
       <li><a href="about:license#precomputed-hash">precomputed-hash License</a></li>
@@ -4953,45 +4952,6 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 </pre>
 
-
-    <hr>
-
-    <h1><a id="polymer"></a>Polymer License</h1>
-
-    <p>This license applies to the file
-    <code>browser/components/payments/res/vendor/custom-elements.min.js</code>.</p>
-
-<pre>
-Copyright (c) 2014 The Polymer Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * 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.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"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 SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-</pre>
-
-
     <hr>
 
     <h1><a id="precomputed-hash"></a>precomputed-hash License</h1>