diff --git a/index.bs b/index.bs
index fe964cb3f..57665d55c 100644
--- a/index.bs
+++ b/index.bs
@@ -4251,7 +4251,7 @@ This extension allows for a simple form of transaction authorization. A
 :: `txAuthSimple`
 
 : Operation applicability
-:: [=registration extension|Registration=] and [=authentication extension|Authentication=]
+:: [=authentication extension|Authentication=]
 
 : Client extension input
 :: A single USVString prompt.
@@ -4301,7 +4301,7 @@ as well. This allows authenticators without a font rendering engine to be used a
 :: `txAuthGeneric`
 
 : Operation applicability
-:: [=registration extension|Registration=] and [=authentication extension|Authentication=]
+:: [=authentication extension|Authentication=]
 
 : Client extension input
 :: A JavaScript object defined as follows: