diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/manifests.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/manifests.ts
new file mode 100644
index 0000000000..99d492d965
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/manifests.ts
@@ -0,0 +1,3 @@
+import { manifests as unregisterManifests } from './unregister/manifests.js';
+
+export const manifests = [...unregisterManifests];
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/index.ts
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/manifests.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/manifests.ts
new file mode 100644
index 0000000000..2493554788
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/manifests.ts
@@ -0,0 +1,16 @@
+import { UMB_EXTENSION_ENTITY_TYPE } from '../../entity.js';
+
+export const manifests = [
+	{
+		type: 'entityAction',
+		kind: 'default',
+		alias: 'Umb.EntityAction.Extension.Unregister',
+		name: 'Unregister Extension Entity Action',
+		api: () => import('./unregister-extension.action.js'),
+		forEntityTypes: [UMB_EXTENSION_ENTITY_TYPE],
+		meta: {
+			label: 'Unregister',
+			icon: 'icon-trash',
+		},
+	},
+];
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/unregister-extension.action.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/unregister-extension.action.ts
new file mode 100644
index 0000000000..59b2dd8ccb
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/entity-actions/unregister/unregister-extension.action.ts
@@ -0,0 +1,33 @@
+import { umbExtensionsRegistry } from '../../registry.js';
+import { UMB_ACTION_EVENT_CONTEXT } from '@umbraco-cms/backoffice/action';
+import { UmbEntityActionBase, UmbRequestReloadStructureForEntityEvent } from '@umbraco-cms/backoffice/entity-action';
+import { umbConfirmModal } from '@umbraco-cms/backoffice/modal';
+import { html } from '@umbraco-cms/backoffice/external/lit';
+
+export class UmbUnregisterExtensionEntityAction extends UmbEntityActionBase<unknown> {
+	async execute() {
+		if (!this.args.unique) throw new Error('Cannot delete an item without a unique identifier.');
+
+		const extension = umbExtensionsRegistry.getByAlias(this.args.unique);
+		if (!extension) throw new Error('Extension not found');
+
+		await umbConfirmModal(this, {
+			headline: 'Unregister extension',
+			confirmLabel: 'Unregister',
+			content: html`<p>Are you sure you want to unregister the extension <strong>${extension.alias}</strong>?</p>`,
+			color: 'danger',
+		});
+
+		umbExtensionsRegistry.unregister(extension.alias);
+
+		const actionEventContext = await this.getContext(UMB_ACTION_EVENT_CONTEXT);
+		const event = new UmbRequestReloadStructureForEntityEvent({
+			unique: this.args.unique,
+			entityType: this.args.entityType,
+		});
+
+		actionEventContext.dispatchEvent(event);
+	}
+}
+
+export { UmbUnregisterExtensionEntityAction as api };
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/manifests.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/manifests.ts
index ab3b172689..dd1a2d6e84 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/manifests.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/manifests.ts
@@ -2,6 +2,7 @@ import { manifests as conditionManifests } from './conditions/manifests.js';
 import { manifests as menuItemManifests } from './menu-item/manifests.js';
 import { manifests as workspaceManifests } from './workspace/manifests.js';
 import { manifests as collectionManifests } from './collection/manifests.js';
+import { manifests as entityActionManifests } from './entity-actions/manifests.js';
 import type { ManifestTypes } from './models/index.js';
 
 export const manifests: Array<ManifestTypes> = [
@@ -9,4 +10,5 @@ export const manifests: Array<ManifestTypes> = [
 	...menuItemManifests,
 	...workspaceManifests,
 	...collectionManifests,
+	...entityActionManifests,
 ];