diff --git a/specs/deneb/beacon-chain.md b/specs/deneb/beacon-chain.md
index 09679489c..b6c97d6f4 100644
--- a/specs/deneb/beacon-chain.md
+++ b/specs/deneb/beacon-chain.md
@@ -11,7 +11,6 @@
 - [Introduction](#introduction)
 - [Custom types](#custom-types)
 - [Constants](#constants)
-  - [Domain types](#domain-types)
   - [Blob](#blob)
 - [Preset](#preset)
   - [Execution](#execution)