diff --git a/extensions/Prefixes.md b/extensions/Prefixes.md
index e59c94489e..084ef57d4e 100644
--- a/extensions/Prefixes.md
+++ b/extensions/Prefixes.md
@@ -12,8 +12,6 @@ The following extension prefixes are reserved by the spec maintainers:
 
 To request a prefix, submit a [GitHub issue](https://github.com/KhronosGroup/glTF/issues/new) with the name of the requested prefix and the vendor that will be using it. Maintainers, please assign the `extension` label to the issue.
 
-Once a prefix is approved, it should be added to the [glTF Validator's list of known prefixes](https://github.com/KhronosGroup/glTF-Validator/blob/master/lib/src/ext/extensions.dart).
-
 ## Registered Vendor Prefixes
 
 | Prefix | Company or Project Name | Contacts | Request |