diff --git a/bip-0151.mediawiki b/bip-0151.mediawiki
index f565a4e2..a4c8b8ec 100644
--- a/bip-0151.mediawiki
+++ b/bip-0151.mediawiki
@@ -123,8 +123,6 @@ After a successful <code>encinit</code>/<code>encack</code> interaction from bot
 
 Encrypted messages do not have the 4byte network magic.
 
-The ciphertext payload length must be included in the AEAD MAC as AAD.
-
 The maximum message length needs to be chosen carefully. The 4 byte length field can lead to a required message buffer of 4 GiB.
 Processing the message before the authentication succeeds must not be done.