diff --git a/index.html b/index.html
index 90b7c712..cca231dc 100644
--- a/index.html
+++ b/index.html
@@ -955,7 +955,6 @@ <h2>PaymentResponse interface</h2>
 
         interface PaymentResponse {
           readonly attribute DOMString methodName;
-          readonly attribute PaymentCurrencyAmount totalAmount;
           readonly attribute object details;
           readonly attribute PaymentAddress? shippingAddress;
           readonly attribute DOMString?      shippingOption;
@@ -976,15 +975,6 @@ <h2>PaymentResponse interface</h2>
       The <a>payment method identifier</a> for the <a>payment method</a> that the user selected
       to fulfil the transaction.
     </dd>
-    <dt><code>totalAmount</code></dt>
-    <dd>
-      This is the <code>amount</code> value from the <a><code>PaymentItem</code></a> representing
-      the payment request total. This will either be the <code>total.amount</code> value from
-      the <a><code>PaymentDetails</code></a> dictionary for the payment request or it will
-      be the <code>total.amount</code> value from a <a><code>PaymentDetailsModifier</code></a>
-      matching the <a>payment method identifier</a> for the <a>payment method</a> that the user selected
-      to fulfil the transaction.
-    </dd>
     <dt><code><dfn>details</dfn></code></dt>
     <dd>
       A <a>JSON-serializable object</a> that provides a <a>payment method</a> specific message used by the merchant to
@@ -1339,18 +1329,6 @@ <h2>User accepts the payment request algorithm</h2>
         Set the <code>methodName</code> attribute value of <em>response</em> to the <a>payment method identifier</a>
         for the <a>payment method</a> that the user selected to accept the payment.
       </li>
-      <li>
-        Let <em>amount</em> be the <code>total.amount</code> value from <em>request</em>@[[\details]].
-      </li>
-      <li>
-        If there is a <a><code>PaymentDetailsModifier</code></a> <em>modifier</em> in the <code>modifiers</code> sequence
-        in <em>request</em>@[[\details]] that matches the <a>payment method identifier</a> for the
-        <a>payment method</a> that the user selected to accept the payment, then let <em>amount</em>
-        be the <code>total.amount</code> value from <em>modifier</em>.
-      </li>
-      <li>
-        Set the <code>totalAmount</code> attribute value of <em>response</em> to <em>amount</em>.
-      </li>
       <li>
         Set the <code>details</code> attribute value of <em>response</em> to a <a>JSON-serializable object</a>
         containing the <a>payment method</a> specific message used by the merchant to process