diff --git a/manual/src/introduction.md b/manual/src/introduction.md
index c80610084..a3fb0a102 100644
--- a/manual/src/introduction.md
+++ b/manual/src/introduction.md
@@ -14,7 +14,6 @@ tool that understands syntax. It supports the following languages:
 * Elixir
 * Emacs Lisp
 * Go
-* Hack
 * Haskell
 * Janet
 * Java