From 9c5f60c632001887dd08f9009728e9e16ee6b25c Mon Sep 17 00:00:00 2001
From: Teresia Olsson <teresia.olsson@helmholtz-berlin.de>
Date: Mon, 7 Sep 2026 20:14:49 +0200
Subject: [PATCH] Remove entry in index that doesn't exist anymore.

---
 docs/source/how-to/index.md | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/docs/source/how-to/index.md b/docs/source/how-to/index.md
index 9de2541..1d0fd9e 100644
--- a/docs/source/how-to/index.md
+++ b/docs/source/how-to/index.md
@@ -32,13 +32,6 @@ configuration/create-configuration
 virtual-accelerator/apptainer
 ```
 
-```{toctree}
-:maxdepth: 1
-:caption: Validation
-
-validation/use-schema-registry
-```
-
 ```{toctree}
 :maxdepth: 1
 :caption: Contribute