diff --git a/docs/README.md b/docs/README.md
index 1fba8ed3a7403..ec857f27f89dc 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -51,7 +51,6 @@
 - [Building Against Non-Homebrew Dependencies](Building-Against-Non-Homebrew-Dependencies.md)
 - [How to Create and Maintain a Tap](How-to-Create-and-Maintain-a-Tap.md)
 - [Brew Test Bot](Brew-Test-Bot.md)
-- [Diagram Guidelines](Diagram-Guidelines.md)
 - [Prose Style Guidelines](Prose-Style-Guidelines.md)
 - [Type Checking with Sorbet](Typechecking.md)
 - [Reproducible Builds](Reproducible-Builds.md)