diff --git a/15/umbraco-cms/.gitbook.yaml b/15/umbraco-cms/.gitbook.yaml
index 7f13fe06261..a88abdd21b4 100644
--- a/15/umbraco-cms/.gitbook.yaml
+++ b/15/umbraco-cms/.gitbook.yaml
@@ -113,3 +113,5 @@ redirects:
     customizing/property-editors/build-a-block-editor: fundamentals/backoffice/property-editors/built-in-umbraco-property-editors/block-editor/README.md
     tutorials/creating-and-distributing-a-package: extending/packages/creating-a-package.md
     fundamentals/design/templates/named-sections: fundamentals/design/templates/README.md
+    customizing/searchable-trees: customizing/overview.md
+    customizing/section-trees: customizing/overview.md
diff --git a/15/umbraco-cms/customizing/overview.md b/15/umbraco-cms/customizing/overview.md
index 2562d83fa69..faead784ee4 100644
--- a/15/umbraco-cms/customizing/overview.md
+++ b/15/umbraco-cms/customizing/overview.md
@@ -16,7 +16,7 @@ Resources are available in the [Extending](../extending/build-on-umbraco-functio
 
 In this section, you will find all the resources you need to build an intuitive and fluid editor experience for your content editors.
 
-<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Dashboards</strong></td><td>The dashboard is where all the main functionality of the backoffice will be.</td><td><a href="extending-overview/extension-types/dashboard.md">dashboard.md</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Extending_Dashboards.png">Documentations Icons_Umbraco_CMS_Extending_Dashboards.png</a></td></tr><tr><td><strong>Sections and Trees</strong></td><td>Extend the backoffice by customizing existing and building new sections and trees.</td><td><a href="section-trees.md">section-trees.md</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Extending_Sections_and_Trees.png">Documentations Icons_Umbraco_CMS_Extending_Sections_and_Trees.png</a></td></tr><tr><td><strong>Property Editors</strong></td><td>Learn how to extend and build some of the main building blocks in Umbraco CMS.</td><td><a href="../fundamentals/backoffice/property-editors/">property-editors</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Extending_Property_Editors.png">Documentations Icons_Umbraco_CMS_Extending_Property_Editors.png</a></td></tr><tr><td><p><a href="https://apidocs.umbraco.com/v15/ui-api/index.html">Backoffice UI API</a></p><p>See what all of the modules export, interfaces, hierarchy, code examples, and much more.</p></td><td></td><td><a href="https://apidocs.umbraco.com/v15/ui-api/index.html">https://apidocs.umbraco.com/v15/ui-api/index.html</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Tutorials_the_Starter_Kit.png">Documentations Icons_Umbraco_CMS_Tutorials_the_Starter_Kit.png</a></td></tr></tbody></table>
+<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Dashboards</strong></td><td>The dashboard is where all the main functionality of the backoffice will be.</td><td><a href="extending-overview/extension-types/dashboard.md">dashboard.md</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Extending_Dashboards.png">Documentations Icons_Umbraco_CMS_Extending_Dashboards.png</a></td></tr><tr><td><strong>Property Editors</strong></td><td>Learn how to extend and build some of the main building blocks in Umbraco CMS.</td><td><a href="../fundamentals/backoffice/property-editors/">property-editors</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Extending_Property_Editors.png">Documentations Icons_Umbraco_CMS_Extending_Property_Editors.png</a></td></tr><tr><td><p><a href="https://apidocs.umbraco.com/v15/ui-api/index.html">Backoffice UI API</a></p><p>See what all of the modules export, interfaces, hierarchy, code examples, and much more.</p></td><td></td><td><a href="https://apidocs.umbraco.com/v15/ui-api/index.html">https://apidocs.umbraco.com/v15/ui-api/index.html</a></td><td><a href="../.gitbook/assets/Documentations Icons_Umbraco_CMS_Tutorials_the_Starter_Kit.png">Documentations Icons_Umbraco_CMS_Tutorials_the_Starter_Kit.png</a></td></tr></tbody></table>
 
 {% content-ref url="foundation/" %}
 [foundation](foundation/)
diff --git a/15/umbraco-cms/extending/backoffice-search.md b/15/umbraco-cms/extending/backoffice-search.md
index 885e47d8cde..0ee46ab9bff 100644
--- a/15/umbraco-cms/extending/backoffice-search.md
+++ b/15/umbraco-cms/extending/backoffice-search.md
@@ -97,7 +97,3 @@ public class CustomUmbracoTreeSearcherFields : UmbracoTreeSearcherFields, IUmbra
 {% hint style="warning" %}
 You cannot use this to search on integer types in the index, as an example `parentID` does not work.
 {% endhint %}
-
-## More advanced extensions
-
-For further extensibility of the Umbraco Backoffice search implementation check [ISearchableTree](../customizing/searchable-trees.md)
diff --git a/15/umbraco-cms/implementation/composing.md b/15/umbraco-cms/implementation/composing.md
index 7466218ccdb..6a7e0a568e0 100644
--- a/15/umbraco-cms/implementation/composing.md
+++ b/15/umbraco-cms/implementation/composing.md
@@ -170,7 +170,6 @@ Below is a list of collections with their corresponding 'collection type' and ho
 | PartialViewSnippets            | Lazy     | Explicit Registration. Reads .cshtml files from `Umbraco.Cms.Core.EmbeddedResources.Snippets` assembly |
 | PropertyValueConverters        | Ordered  | Type scanned for `IPropertyValueConverter`                     |
 | RuntimeModeValidators          | Set      | Explicit Registration                                          |
-| SearchableTrees                | Lazy     | Type scanned for `ISearchableTree`                             |
 | Sections                       | Ordered  | Package.manifest & Explicit Registration                       |
 | SelectorHandlers               | Lazy     | Type scanned for `ISelectorHandler`                            |
 | SortHandlers                   | Lazy     | Type scanned for `ISortHandler`                                |
diff --git a/16/umbraco-cms/.gitbook.yaml b/16/umbraco-cms/.gitbook.yaml
index e1c0d939f94..07fa91ba57c 100644
--- a/16/umbraco-cms/.gitbook.yaml
+++ b/16/umbraco-cms/.gitbook.yaml
@@ -148,3 +148,5 @@ redirects:
     customizing/extending-overview/extension-types/workspaces/workspace-action-menu-item: customizing/extending-overview/extension-types/workspaces/workspace-action-menu-items.md
     customizing/extending-overview/extension-types/workspaces/workspace-footer-app: customizing/extending-overview/extension-types/workspaces/workspace-footer-apps.md
     customizing/extending-overview/extension-kind: customizing/extending-overview/extension-types/kind.md
+    customizing/searchable-trees: customizing/overview.md
+    customizing/section-trees: customizing/overview.md
diff --git a/16/umbraco-cms/extending/backoffice-search.md b/16/umbraco-cms/extending/backoffice-search.md
index 885e47d8cde..e96b3d09249 100644
--- a/16/umbraco-cms/extending/backoffice-search.md
+++ b/16/umbraco-cms/extending/backoffice-search.md
@@ -96,8 +96,4 @@ public class CustomUmbracoTreeSearcherFields : UmbracoTreeSearcherFields, IUmbra
 
 {% hint style="warning" %}
 You cannot use this to search on integer types in the index, as an example `parentID` does not work.
-{% endhint %}
-
-## More advanced extensions
-
-For further extensibility of the Umbraco Backoffice search implementation check [ISearchableTree](../customizing/searchable-trees.md)
+{% endhint %}
\ No newline at end of file
diff --git a/16/umbraco-cms/implementation/composing.md b/16/umbraco-cms/implementation/composing.md
index 7466218ccdb..6a7e0a568e0 100644
--- a/16/umbraco-cms/implementation/composing.md
+++ b/16/umbraco-cms/implementation/composing.md
@@ -170,7 +170,6 @@ Below is a list of collections with their corresponding 'collection type' and ho
 | PartialViewSnippets            | Lazy     | Explicit Registration. Reads .cshtml files from `Umbraco.Cms.Core.EmbeddedResources.Snippets` assembly |
 | PropertyValueConverters        | Ordered  | Type scanned for `IPropertyValueConverter`                     |
 | RuntimeModeValidators          | Set      | Explicit Registration                                          |
-| SearchableTrees                | Lazy     | Type scanned for `ISearchableTree`                             |
 | Sections                       | Ordered  | Package.manifest & Explicit Registration                       |
 | SelectorHandlers               | Lazy     | Type scanned for `ISelectorHandler`                            |
 | SortHandlers                   | Lazy     | Type scanned for `ISortHandler`                                |
diff --git a/17/umbraco-cms/.gitbook.yaml b/17/umbraco-cms/.gitbook.yaml
index e1a32dd9d69..3ed40560275 100644
--- a/17/umbraco-cms/.gitbook.yaml
+++ b/17/umbraco-cms/.gitbook.yaml
@@ -152,4 +152,6 @@ redirects:
     customizing/extending-overview/extension-kind: customizing/extending-overview/extension-types/kind.md
     customizing/foundation/sorting: customizing/utilities/sorting.md
     customizing/extending-overview/extension-types/modals/confirm-dialog: customizing/utilities/modals/confirm-dialog.md
-    
\ No newline at end of file
+    customizing/searchable-trees: customizing/overview.md
+    customizing/section-trees: customizing/overview.md
+    
diff --git a/17/umbraco-cms/extending/backoffice-search.md b/17/umbraco-cms/extending/backoffice-search.md
index 885e47d8cde..e96b3d09249 100644
--- a/17/umbraco-cms/extending/backoffice-search.md
+++ b/17/umbraco-cms/extending/backoffice-search.md
@@ -96,8 +96,4 @@ public class CustomUmbracoTreeSearcherFields : UmbracoTreeSearcherFields, IUmbra
 
 {% hint style="warning" %}
 You cannot use this to search on integer types in the index, as an example `parentID` does not work.
-{% endhint %}
-
-## More advanced extensions
-
-For further extensibility of the Umbraco Backoffice search implementation check [ISearchableTree](../customizing/searchable-trees.md)
+{% endhint %}
\ No newline at end of file
diff --git a/17/umbraco-cms/implementation/composing.md b/17/umbraco-cms/implementation/composing.md
index 7466218ccdb..6a7e0a568e0 100644
--- a/17/umbraco-cms/implementation/composing.md
+++ b/17/umbraco-cms/implementation/composing.md
@@ -170,7 +170,6 @@ Below is a list of collections with their corresponding 'collection type' and ho
 | PartialViewSnippets            | Lazy     | Explicit Registration. Reads .cshtml files from `Umbraco.Cms.Core.EmbeddedResources.Snippets` assembly |
 | PropertyValueConverters        | Ordered  | Type scanned for `IPropertyValueConverter`                     |
 | RuntimeModeValidators          | Set      | Explicit Registration                                          |
-| SearchableTrees                | Lazy     | Type scanned for `ISearchableTree`                             |
 | Sections                       | Ordered  | Package.manifest & Explicit Registration                       |
 | SelectorHandlers               | Lazy     | Type scanned for `ISelectorHandler`                            |
 | SortHandlers                   | Lazy     | Type scanned for `ISortHandler`                                |