diff --git a/src/ast-validation.md b/src/ast-validation.md
index f3ac35e8a..9a5d13d52 100644
--- a/src/ast-validation.md
+++ b/src/ast-validation.md
@@ -1,9 +1,5 @@
 # AST Validation
 
-<!-- toc -->
-
-## About
-
 _AST validation_ is a separate AST pass that visits each
 item in the tree and performs simple checks. This pass
 doesn't perform any complex analysis, type checking or