diff --git a/web/content/docs/components/castore/_index.md b/web/content/docs/components/castore/_index.md
index 48120d04d..ff0a41d11 100644
--- a/web/content/docs/components/castore/_index.md
+++ b/web/content/docs/components/castore/_index.md
@@ -6,5 +6,7 @@ date: 2025-04-04T16:43:14+01:00
 lastmod: 2025-04-04T16:43:14+01:00
 draft: false
 weight: 42
+sidebar:
+  collapsed: true
 ---
 
diff --git a/web/content/docs/reference/nix-daemon-protocol/_index.md b/web/content/docs/reference/nix-daemon-protocol/_index.md
index 3492d9ea3..90ce41935 100644
--- a/web/content/docs/reference/nix-daemon-protocol/_index.md
+++ b/web/content/docs/reference/nix-daemon-protocol/_index.md
@@ -8,4 +8,6 @@ lastmod: 2025-03-24T13:10:37+02:00
 draft: false
 weight: 50
 toc: true
+sidebar:
+  collapsed: true
 ---
diff --git a/web/content/docs/reference/nix-language/_index.md b/web/content/docs/reference/nix-language/_index.md
index 19464ff1d..c7a7956d9 100644
--- a/web/content/docs/reference/nix-language/_index.md
+++ b/web/content/docs/reference/nix-language/_index.md
@@ -8,4 +8,6 @@ lastmod: 2025-05-01T13:10:37+02:00
 draft: false
 weight: 50
 toc: true
+sidebar:
+  collapsed: true
 ---