diff --git a/packages/mermaid-layout-tidy-tree/src/layouts.ts b/packages/mermaid-layout-tidy-tree/src/layouts.ts
index ee9870828..d5eac8992 100644
--- a/packages/mermaid-layout-tidy-tree/src/layouts.ts
+++ b/packages/mermaid-layout-tidy-tree/src/layouts.ts
@@ -2,7 +2,7 @@ import type { LayoutLoaderDefinition } from 'mermaid';
 
 const loader = async () => await import(`./render.js`);
 
-const layouts: LayoutLoaderDefinition[] = [
+const tidyTreeLayout: LayoutLoaderDefinition[] = [
   {
     name: 'tidy-tree',
     loader,
@@ -10,4 +10,4 @@ const layouts: LayoutLoaderDefinition[] = [
   },
 ];
 
-export default layouts;
+export default tidyTreeLayout;
diff --git a/packages/mermaid/package.json b/packages/mermaid/package.json
index ed2392f6b..9b888760c 100644
--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -87,9 +87,7 @@
     "roughjs": "^4.6.6",
     "stylis": "^4.3.6",
     "ts-dedent": "^2.2.0",
-    "uuid": "^11.1.0",
-    "@mermaid-js/layout-elk": "workspace:^",
-    "@mermaid-js/layout-tidy-tree": "workspace:^"
+    "uuid": "^11.1.0"
   },
   "devDependencies": {
     "@adobe/jsonschema2md": "^8.0.2",
diff --git a/packages/mermaid/src/rendering-util/render.ts b/packages/mermaid/src/rendering-util/render.ts
index a3aa9de7b..22a7b96b0 100644
--- a/packages/mermaid/src/rendering-util/render.ts
+++ b/packages/mermaid/src/rendering-util/render.ts
@@ -43,14 +43,6 @@ const registerDefaultLayoutLoaders = () => {
       name: 'cose-bilkent',
       loader: async () => await import('./layout-algorithms/cose-bilkent/index.js'),
     },
-    {
-      name: 'tidy-tree',
-      loader: async () => await import('@mermaid-js/layout-tidy-tree/src/render.js'),
-    },
-    {
-      name: 'elk',
-      loader: async () => await import('@mermaid-js/layout-elk/src/render.js'),
-    },
   ]);
 };
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 40298be52..d64bd1c0f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -229,12 +229,6 @@ importers:
       '@iconify/utils':
         specifier: ^2.1.33
         version: 2.3.0
-      '@mermaid-js/layout-elk':
-        specifier: workspace:^
-        version: link:../mermaid-layout-elk
-      '@mermaid-js/layout-tidy-tree':
-        specifier: workspace:^
-        version: link:../mermaid-layout-tidy-tree
       '@mermaid-js/parser':
         specifier: workspace:^
         version: link:../parser
@@ -542,67 +536,6 @@ importers:
         specifier: ^7.3.0
         version: 7.3.0
 
-  packages/mermaid/src/vitepress:
-    dependencies:
-      '@mdi/font':
-        specifier: ^7.4.47
-        version: 7.4.47
-      '@vueuse/core':
-        specifier: ^13.1.0
-        version: 13.6.0(vue@3.5.18(typescript@5.8.3))
-      font-awesome:
-        specifier: ^4.7.0
-        version: 4.7.0
-      jiti:
-        specifier: ^2.4.2
-        version: 2.5.1
-      mermaid:
-        specifier: workspace:^
-        version: link:../..
-      vue:
-        specifier: ^3.4.38
-        version: 3.5.18(typescript@5.8.3)
-    devDependencies:
-      '@iconify-json/carbon':
-        specifier: ^1.1.37
-        version: 1.2.11
-      '@unocss/reset':
-        specifier: ^66.0.0
-        version: 66.3.3
-      '@vite-pwa/vitepress':
-        specifier: ^1.0.0
-        version: 1.0.0(vite-plugin-pwa@1.0.2(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(workbox-build@7.3.0(@types/babel__core@7.20.5))(workbox-window@7.3.0))
-      '@vitejs/plugin-vue':
-        specifier: ^5.0.5
-        version: 5.2.4(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(vue@3.5.18(typescript@5.8.3))
-      fast-glob:
-        specifier: ^3.3.3
-        version: 3.3.3
-      https-localhost:
-        specifier: ^4.7.1
-        version: 4.7.1
-      pathe:
-        specifier: ^2.0.3
-        version: 2.0.3
-      unocss:
-        specifier: ^66.0.0
-        version: 66.3.3(postcss@8.5.6)(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(vue@3.5.18(typescript@5.8.3))
-      unplugin-vue-components:
-        specifier: ^28.4.0
-        version: 28.8.0(@babel/parser@7.28.0)(vue@3.5.18(typescript@5.8.3))
-      vite:
-        specifier: ^6.1.1
-        version: 6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0)
-      vite-plugin-pwa:
-        specifier: ^1.0.0
-        version: 1.0.2(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(workbox-build@7.3.0(@types/babel__core@7.20.5))(workbox-window@7.3.0)
-      vitepress:
-        specifier: 1.6.3
-        version: 1.6.3(@algolia/client-search@5.35.0)(@types/node@22.17.0)(axios@1.11.0)(postcss@8.5.6)(search-insights@2.17.3)(terser@5.43.1)(typescript@5.8.3)
-      workbox-window:
-        specifier: ^7.3.0
-        version: 7.3.0
-
   packages/parser:
     dependencies:
       langium:
@@ -13433,11 +13366,6 @@ snapshots:
       vite: 5.4.19(@types/node@22.17.0)(terser@5.43.1)
       vue: 3.5.18(typescript@5.8.3)
 
-  '@vitejs/plugin-vue@5.2.4(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(vue@3.5.18(typescript@5.8.3))':
-    dependencies:
-      vite: 6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0)
-      vue: 3.5.18(typescript@5.8.3)
-
   '@vitejs/plugin-vue@6.0.1(vite@6.3.5(@types/node@22.17.0)(jiti@2.5.1)(terser@5.43.1)(tsx@4.20.3)(yaml@2.8.0))(vue@3.5.18(typescript@5.8.3))':
     dependencies:
       '@rolldown/pluginutils': 1.0.0-beta.29