diff --git a/fetch.bs b/fetch.bs
index 150d9e549..c13b23281 100644
--- a/fetch.bs
+++ b/fetch.bs
@@ -162,11 +162,6 @@ Standards.
 
 <p><dfn>ABNF</dfn> means ABNF as modified by HTTP (in particular the addition <code>#</code>).
 
-<p>Comparing two <a>byte sequences</a> in a <dfn export>byte-case-insensitive</dfn> manner means
-comparing them exactly, byte for byte, except that the bytes in the range 0x41 to 0x5A,
-inclusive, are considered to also match their corresponding byte in the range 0x61 to
-0x7A, inclusive.
-
 <hr>
 
 <p id=fetch-url>A <dfn>response URL</dfn> is a <a for=/>URL</a> for which implementations need not