diff --git a/index.bs b/index.bs
index 40e36be21..4d975a334 100644
--- a/index.bs
+++ b/index.bs
@@ -3502,7 +3502,7 @@ intecept id and a [=tuple=] with fields <code>url patterns</code> and
 is initially empty.
 
 A [=BiDi session=] has an <dfn>blocked request map</dfn>, used to track the
-requests which are actively being blocked. It is an [=map=] between request id
+requests which are actively being blocked. It is an [=/map=] between request id
 and a [=tuple=] with fields <code>request</code>, <code>phase</code>, and
 <code>response</code>. It is initially empty.  It's
 
@@ -3681,39 +3681,6 @@ To <dfn>process a network event</dfn> given |session|, |event|, and |request|:
 
 </div>
 
-#### The network.Body Type #### {#type-network-Body}
-
-<pre class="cddl local-cddl remote-cddl">
-network.Body = network.StringBody / network.Base64Body;
-
-network.StringBody = {
-  type: "string",
-  value: text,
-}
-
-network.Base64Body = {
-  type: "base64",
-  value: text
-}
-</pre>
-
-The <code>network.Body</code> type represents a request or response body,
-possibly encoded.
-
-<div algorithm>
-To <dfn>get the body</dfn> given |protocol body|:
-
-1. If |protocol body| matches the <code>network.StringBody</code> production,
-   let |body| be |protocol body|["<code>value</code>"].
-
-1. Otherwise if |protocol body| matches the
-   <code>network.Base64Body</code>production. Let |body| be [=forgiving-base64
-   decode=] |protocol body|["<code>value</code>"].
-
-1. Return |body|
-
-</div>
-
 #### The network.BytesValue Type #### {#type-network-Body}
 
 <pre class="cddl local-cddl remote-cddl">
@@ -3736,7 +3703,7 @@ type, any other data is represented in Base64-encoded form as
 <code>network.Base64Body</code>.
 
 <div algorithm>
-To <dfn ignore>deserialize protocol bytes</dfn> given |protocol bytes|:
+To <dfn>deserialize protocol bytes</dfn> given |protocol bytes|:
 
 Note: this takes bytes encoded as a <code>network.BytesValue</code> and returns
 a [=byte sequence=].
@@ -3789,7 +3756,7 @@ network.Cookie = {
 The <code>network.Cookie</code> type represents a cookie.
 
 <div algorithm>
-To <dfn>get a cookie</dfn> given |stored cookie|:
+To <dfn>serialize cookie</dfn> given |stored cookie|:
 
 Note: The definitions of |stored cookie|'s fields are from [[COOKIES]], except
 samesite-flag, which is from [[SAME-SITE-COOKIES]].
@@ -3954,21 +3921,12 @@ To <dfn>serialize header</dfn> given |name bytes| and |value bytes|:
 </div>
 
 <div algorithm>
-To <dfn>serialize a header</dfn> given |header|:
-
-1. Let |name| be the result of [=UTF-8 encode=] with
-   |header|["<code>name</code>"].
-
-1. If |header| [=map/contains=] "<code>value</code>", let |value| be [=UTF-8
-   encode=] |header|["<code>value</code>"].
+To <dfn>deserialize header</dfn> given |protocol header|:
 
-1. If |header| [=map/contains=] "<code>binaryValue</code>":
+1. Let |name| be [=UTF-8 encode=] |protocol header|["<code>name</code>"].
 
-  1. Let <code>value</code> be an empty [=byte sequence=].
-
-  1. For each |byte| in |header|["<code>binaryValue</code>"]:
-
-    1. Append |byte| to |value|
+1. Let |value| be [=deserialize protocol bytes=] with |protocol
+   header|["<code>value</code>"].
 
 1. Return a [=/header=] (|name|, |value|).
 
@@ -4114,7 +4072,7 @@ To <dfn>get the request data</dfn> given |request|:
        the store can be included in a request, but user agents are free to
        impose additional constraints.
 
-       1. Append the result of [=get a cookie=] given |cookie| to |cookies|.
+       1. Append the result of [=serialize cookie=] given |cookie| to |cookies|.
 
 1. Let |timings| be [=get the fetch timings=] with |request|.
 
@@ -4403,7 +4361,7 @@ The [=remote end steps=] given |session| and |command parameters| are:
 
 1. If |command parameters| [=map/contains=] "<code>body</code>":
 
-  1. Let |body| be [=deserialize bytes=] with |command
+  1. Let |body| be [=deserialize protocol bytes=] with |command
      parameters|["<code>body</code>"].
 
   1. Set |request|'s [=request/body=] to |body|.
@@ -4671,7 +4629,7 @@ response and bypassing any further network request processing.
 
       network.ProvideResponseParameters = {
         request: network.Request,
-        ?body: network.Body,
+        ?body: network.BytesValue,
         ?headers: [*network.Header],
         ?reasonPhrase: text,
         ?statusCode: js-uint,
@@ -4696,7 +4654,8 @@ The [=remote end steps=] given |session| and |command parameters| are:
 
 1. If |command parameters| [=map/contains=] "<code>body</code>":
 
-  1. Let |body| be [=get the body=] with |command parameters["<code>body</code>"].
+  1. Let |body| be [=deserialize protocol bytes=] with |command
+     parameters["<code>body</code>"].
 
   1. Set |response|'s [=response/body=] to |body| [=as a body=].