diff --git a/apps/systemtags/src/files_actions/bulkSystemTagsAction.spec.ts b/apps/systemtags/src/files_actions/bulkSystemTagsAction.spec.ts
index f629b93f9eb..ee12e215c93 100644
--- a/apps/systemtags/src/files_actions/bulkSystemTagsAction.spec.ts
+++ b/apps/systemtags/src/files_actions/bulkSystemTagsAction.spec.ts
@@ -1,33 +1,32 @@
-/**
+/*!
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import type { View } from '@nextcloud/files'
+import type { IFolder, IView } from '@nextcloud/files'
 
-import { File, FileAction, Folder, Permission } from '@nextcloud/files'
+import { File, Folder, Permission } from '@nextcloud/files'
 import { describe, expect, test } from 'vitest'
 import { action } from './bulkSystemTagsAction.ts'
 
 const view = {
 	id: 'files',
 	name: 'Files',
-} as View
+} as IView
 
 describe('Manage tags action conditions tests', () => {
 	test('Default values', () => {
-		expect(action).toBeInstanceOf(FileAction)
 		expect(action.id).toBe('systemtags:bulk')
 		expect(action.displayName({
 			nodes: [],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe('Manage tags')
 		expect(action.iconSvgInline({
 			nodes: [],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toMatch(/<svg.+<\/svg>/)
 		expect(action.default).toBeUndefined()
@@ -60,19 +59,19 @@ describe('Manage tags action enabled tests', () => {
 		expect(action.enabled!({
 			nodes: [file1, file2],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(false)
 		expect(action.enabled!({
 			nodes: [file1],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(false)
 		expect(action.enabled!({
 			nodes: [file2],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(true)
 	})
@@ -91,7 +90,7 @@ describe('Manage tags action enabled tests', () => {
 		expect(action.enabled!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(false)
 	})
diff --git a/apps/systemtags/src/files_actions/bulkSystemTagsAction.ts b/apps/systemtags/src/files_actions/bulkSystemTagsAction.ts
index e32a5fa93db..ba3bf064b59 100644
--- a/apps/systemtags/src/files_actions/bulkSystemTagsAction.ts
+++ b/apps/systemtags/src/files_actions/bulkSystemTagsAction.ts
@@ -3,10 +3,10 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import type { ActionContext, ActionContextSingle } from '@nextcloud/files'
+import type { ActionContext, ActionContextSingle, IFileAction } from '@nextcloud/files'
 
 import TagMultipleSvg from '@mdi/svg/svg/tag-multiple-outline.svg?raw'
-import { FileAction, Permission } from '@nextcloud/files'
+import { Permission } from '@nextcloud/files'
 import { t } from '@nextcloud/l10n'
 import { isPublicShare } from '@nextcloud/sharing/public'
 import { spawnDialog } from '@nextcloud/vue/functions/dialog'
@@ -29,7 +29,7 @@ async function execBatch({ nodes }: ActionContext | ActionContextSingle): Promis
 		.fill(response)
 }
 
-export const action = new FileAction({
+export const action: IFileAction = {
 	id: 'systemtags:bulk',
 	displayName: () => t('systemtags', 'Manage tags'),
 	iconSvgInline: () => TagMultipleSvg,
@@ -64,4 +64,4 @@ export const action = new FileAction({
 		description: t('systemtags', 'Manage tags'),
 		key: 't',
 	},
-})
+}
diff --git a/apps/systemtags/src/files_actions/inlineSystemTagsAction.spec.ts b/apps/systemtags/src/files_actions/inlineSystemTagsAction.spec.ts
index 812cf39a7f0..401be5dcb70 100644
--- a/apps/systemtags/src/files_actions/inlineSystemTagsAction.spec.ts
+++ b/apps/systemtags/src/files_actions/inlineSystemTagsAction.spec.ts
@@ -3,10 +3,10 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import type { Folder, View } from '@nextcloud/files'
+import type { IFolder, IView } from '@nextcloud/files'
 
 import { emit, subscribe } from '@nextcloud/event-bus'
-import { File, FileAction, Permission } from '@nextcloud/files'
+import { File, Permission } from '@nextcloud/files'
 import { beforeEach, describe, expect, test, vi } from 'vitest'
 import * as serviceTagApi from '../services/api.ts'
 import { setNodeSystemTags } from '../utils.ts'
@@ -15,7 +15,7 @@ import { action } from './inlineSystemTagsAction.ts'
 const view = {
 	id: 'files',
 	name: 'Files',
-} as View
+} as IView
 
 describe('Inline system tags action conditions tests', () => {
 	test('Default values', () => {
@@ -28,18 +28,17 @@ describe('Inline system tags action conditions tests', () => {
 			root: '/files/admin',
 		})
 
-		expect(action).toBeInstanceOf(FileAction)
 		expect(action.id).toBe('system-tags')
 		expect(action.displayName({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe('')
 		expect(action.iconSvgInline({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe('')
 		expect(action.default).toBeUndefined()
@@ -49,7 +48,7 @@ describe('Inline system tags action conditions tests', () => {
 		expect(action.enabled!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(true)
 	})
@@ -72,7 +71,7 @@ describe('Inline system tags action conditions tests', () => {
 		expect(action.enabled!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})).toBe(true)
 	})
@@ -98,7 +97,7 @@ describe('Inline system tags action render tests', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -123,7 +122,7 @@ describe('Inline system tags action render tests', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -148,7 +147,7 @@ describe('Inline system tags action render tests', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -178,7 +177,7 @@ describe('Inline system tags action render tests', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -208,7 +207,7 @@ describe('Inline system tags action render tests', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		}) as HTMLElement
 		document.body.appendChild(result)
@@ -270,7 +269,7 @@ describe('Inline system tags action colors', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -297,7 +296,7 @@ describe('Inline system tags action colors', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		})
 		expect(result).toBeInstanceOf(HTMLElement)
@@ -324,7 +323,7 @@ describe('Inline system tags action colors', () => {
 		const result = await action.renderInline!({
 			nodes: [file],
 			view,
-			folder: {} as Folder,
+			folder: {} as IFolder,
 			contents: [],
 		}) as HTMLElement
 		document.body.appendChild(result)
diff --git a/apps/systemtags/src/files_actions/inlineSystemTagsAction.ts b/apps/systemtags/src/files_actions/inlineSystemTagsAction.ts
index c315f458fb1..f1766fc467a 100644
--- a/apps/systemtags/src/files_actions/inlineSystemTagsAction.ts
+++ b/apps/systemtags/src/files_actions/inlineSystemTagsAction.ts
@@ -3,11 +3,10 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import type { INode } from '@nextcloud/files'
+import type { IFileAction, INode } from '@nextcloud/files'
 import type { TagWithId } from '../types.ts'
 
 import { subscribe } from '@nextcloud/event-bus'
-import { FileAction } from '@nextcloud/files'
 import { t } from '@nextcloud/l10n'
 import logger from '../logger.ts'
 import { fetchTags } from '../services/api.ts'
@@ -19,7 +18,7 @@ import '../css/fileEntryInlineSystemTags.scss'
 // Init tag cache
 const cache: TagWithId[] = []
 
-export const action = new FileAction({
+export const action: IFileAction = {
 	id: 'system-tags',
 	displayName: () => '',
 	iconSvgInline: () => '',
@@ -44,7 +43,7 @@ export const action = new FileAction({
 	},
 
 	order: 0,
-})
+}
 
 // Subscribe to the events
 subscribe('systemtags:node:updated', updateSystemTagsHtml)
@@ -167,11 +166,11 @@ async function renderInline(node: INode): Promise<HTMLElement> {
 		}
 	}
 
-	systemTagsElement.append(renderTag(tags[0]))
+	systemTagsElement.append(renderTag(tags[0]!))
 	if (tags.length === 2) {
 		// Special case only two tags:
 		// the overflow fake tag would take the same space as this, so render it
-		systemTagsElement.append(renderTag(tags[1]))
+		systemTagsElement.append(renderTag(tags[1]!))
 	} else if (tags.length > 1) {
 		// More tags than the one we're showing
 		// So we add a overflow element indicating there are more tags
diff --git a/apps/systemtags/src/files_actions/openInFilesAction.spec.ts b/apps/systemtags/src/files_actions/openInFilesAction.spec.ts
index e394bce7b35..00b6c70d93f 100644
--- a/apps/systemtags/src/files_actions/openInFilesAction.spec.ts
+++ b/apps/systemtags/src/files_actions/openInFilesAction.spec.ts
@@ -3,21 +3,21 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import type { View } from '@nextcloud/files'
+import type { IView } from '@nextcloud/files'
 
-import { DefaultType, File, FileAction, Folder, Permission } from '@nextcloud/files'
+import { DefaultType, File, Folder, Permission } from '@nextcloud/files'
 import { describe, expect, test, vi } from 'vitest'
 import { action } from './openInFilesAction.ts'
 
 const view = {
 	id: 'files',
 	name: 'Files',
-} as View
+} as IView
 
 const systemTagsView = {
 	id: 'tags',
 	name: 'tags',
-} as View
+} as IView
 
 const validNode = new Folder({
 	id: 1,
@@ -43,7 +43,6 @@ const validTag = new Folder({
 
 describe('Open in files action conditions tests', () => {
 	test('Default values', () => {
-		expect(action).toBeInstanceOf(FileAction)
 		expect(action.id).toBe('systemtags:open-in-files')
 		expect(action.displayName({
 			nodes: [],
diff --git a/apps/systemtags/src/files_actions/openInFilesAction.ts b/apps/systemtags/src/files_actions/openInFilesAction.ts
index 90cb074658c..336bfcd5c1f 100644
--- a/apps/systemtags/src/files_actions/openInFilesAction.ts
+++ b/apps/systemtags/src/files_actions/openInFilesAction.ts
@@ -1,13 +1,15 @@
-/**
+/*!
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-import { DefaultType, FileAction, FileType } from '@nextcloud/files'
+import type { IFileAction } from '@nextcloud/files'
+
+import { DefaultType, FileType } from '@nextcloud/files'
 import { t } from '@nextcloud/l10n'
 import { systemTagsViewId } from '../files_views/systemtagsView.ts'
 
-export const action = new FileAction({
+export const action: IFileAction = {
 	id: 'systemtags:open-in-files',
 	displayName: () => t('systemtags', 'Open in Files'),
 	iconSvgInline: () => '',
@@ -47,4 +49,4 @@ export const action = new FileAction({
 	// Before openFolderAction
 	order: -1000,
 	default: DefaultType.HIDDEN,
-})
+}