diff --git a/packages/ui/src/index.ts b/packages/ui/src/index.ts
index f373d2ab09..1ee4062158 100644
--- a/packages/ui/src/index.ts
+++ b/packages/ui/src/index.ts
@@ -56,33 +56,13 @@ export { default as IconSearch } from './components/icons/Search.svelte'
 export { default as IconToDo } from './components/icons/ToDo.svelte'
 export { default as IconComments } from './components/icons/Comments.svelte'
 
+import type { AnySvelteComponent, AnyComponent } from './types'
+import { writable } from 'svelte/store'
+
 export function createApp (target: HTMLElement): SvelteComponent {
   return new Root({ target })
 }
 
-// let documentProvider: DocumentProvider | undefined
-
-// async function open (doc: Document): Promise<void> {
-//   if (documentProvider != null) {
-//     return await documentProvider.open(doc)
-//   }
-//   return await Promise.reject(new Error('Document provider is not registred'))
-// }
-
-// function selection (): Document | undefined {
-//   if (documentProvider != null) {
-//     return documentProvider.selection()
-//   }
-//   return undefined
-// }
-
-// function registerDocumentProvider (provider: DocumentProvider): void {
-//   documentProvider = provider
-// }
-
-import type { AnySvelteComponent, AnyComponent } from './types'
-import { writable } from 'svelte/store'
-
 interface CompAndProps {
   is: AnySvelteComponent | AnyComponent | undefined
   props: any
diff --git a/packages/ui/src/types.ts b/packages/ui/src/types.ts
index acdea8f26b..64774fffad 100644
--- a/packages/ui/src/types.ts
+++ b/packages/ui/src/types.ts
@@ -31,26 +31,6 @@ export type AnySvelteComponent = typeof SvelteComponent
 export type Component<C extends AnySvelteComponent> = Resource<C>
 export type AnyComponent = Resource<AnySvelteComponent>
 
-export const CONTEXT_PLATFORM = 'platform'
-export const CONTEXT_PLATFORM_UI = 'platform-ui'
-
-export interface Document {} // eslint-disable-line @typescript-eslint/no-empty-interface
-
-/**
- * Allow to control currently selected document.
- */
-export interface DocumentProvider {
-  /**
-   * Opening a document
-   * */
-  open: (doc: Document) => Promise<void>
-
-  /**
-   * Return currently selected document, if one.
-   */
-  selection: () => Document | undefined
-}
-
 export interface Action {
   label: IntlString
   icon: Asset | AnySvelteComponent
@@ -65,34 +45,3 @@ export interface IPopupItem {
   selected?: boolean
   action?: Function
 }
-
-// export default plugin(
-//   'ui' as Plugin<UIService>,
-//   {},
-//   {
-//     metadata: {
-//       LoginApplication: '' as Metadata<string>,
-//       DefaultApplication: '' as Metadata<string>
-//     },
-//     icon: {
-//       Default: '' as Asset,
-//       Error: '' as Asset,
-//       Network: '' as Asset,
-//       Search: '' as Asset,
-//       Add: '' as Asset,
-//       ArrowDown: '' as Asset,
-//       Message: '' as Asset,
-//       Phone: '' as Asset,
-//       Mail: '' as Asset,
-//       More: '' as Asset
-//     },
-//     component: {
-//       Icon: '' as AnyComponent,
-//       Spinner: '' as AnyComponent,
-//       BadComponent: '' as AnyComponent
-//     },
-//     method: {
-//       AnAction: '' as Resource<(args: any) => void>
-//     }
-//   }
-// )