diff --git a/src/vs/base/browser/dom.ts b/src/vs/base/browser/dom.ts
index 08db4033afd..395b58cfe1a 100644
--- a/src/vs/base/browser/dom.ts
+++ b/src/vs/base/browser/dom.ts
@@ -1477,30 +1477,6 @@ export function multibyteAwareBtoa(str: string): string {
 	return btoa(toBinary(str));
 }
 
-/**
- * Typings for the https://wicg.github.io/file-system-access
- *
- * Use `supported(window)` to find out if the browser supports this kind of API.
- */
-export namespace WebFileSystemAccess {
-
-	export function supported(obj: any & Window): boolean {
-		if (typeof obj?.showDirectoryPicker === 'function') {
-			return true;
-		}
-
-		return false;
-	}
-
-	export function isFileSystemFileHandle(handle: FileSystemHandle): handle is FileSystemFileHandle {
-		return handle.kind === 'file';
-	}
-
-	export function isFileSystemDirectoryHandle(handle: FileSystemHandle): handle is FileSystemDirectoryHandle {
-		return handle.kind === 'directory';
-	}
-}
-
 type ModifierKey = 'alt' | 'ctrl' | 'shift' | 'meta';
 
 export interface IModifierKeyStatus {
diff --git a/src/vs/platform/files/browser/htmlFileSystemProvider.ts b/src/vs/platform/files/browser/htmlFileSystemProvider.ts
index 561bbd1725a..7ee315023b7 100644
--- a/src/vs/platform/files/browser/htmlFileSystemProvider.ts
+++ b/src/vs/platform/files/browser/htmlFileSystemProvider.ts
@@ -15,7 +15,7 @@ import { isLinux } from 'vs/base/common/platform';
 import { extUri, extUriIgnorePathCase } from 'vs/base/common/resources';
 import { newWriteableStream, ReadableStreamEvents } from 'vs/base/common/stream';
 import { createFileSystemProviderError, FileDeleteOptions, FileOverwriteOptions, FileReadStreamOptions, FileSystemProviderCapabilities, FileSystemProviderError, FileSystemProviderErrorCode, FileType, FileWriteOptions, IFileSystemProviderWithFileReadStreamCapability, IFileSystemProviderWithFileReadWriteCapability, IStat, IWatchOptions } from 'vs/platform/files/common/files';
-import { WebFileSystemAccess } from 'vs/base/browser/dom';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 export class HTMLFileSystemProvider implements IFileSystemProviderWithFileReadWriteCapability, IFileSystemProviderWithFileReadStreamCapability {
 
diff --git a/src/vs/platform/files/browser/webFileSystemAccess.ts b/src/vs/platform/files/browser/webFileSystemAccess.ts
new file mode 100644
index 00000000000..89c5fc217bf
--- /dev/null
+++ b/src/vs/platform/files/browser/webFileSystemAccess.ts
@@ -0,0 +1,28 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+/**
+ * Typings for the https://wicg.github.io/file-system-access
+ *
+ * Use `supported(window)` to find out if the browser supports this kind of API.
+ */
+export namespace WebFileSystemAccess {
+
+	export function supported(obj: any & Window): boolean {
+		if (typeof obj?.showDirectoryPicker === 'function') {
+			return true;
+		}
+
+		return false;
+	}
+
+	export function isFileSystemFileHandle(handle: FileSystemHandle): handle is FileSystemFileHandle {
+		return handle.kind === 'file';
+	}
+
+	export function isFileSystemDirectoryHandle(handle: FileSystemHandle): handle is FileSystemDirectoryHandle {
+		return handle.kind === 'directory';
+	}
+}
diff --git a/src/vs/workbench/browser/contextkeys.ts b/src/vs/workbench/browser/contextkeys.ts
index 0eeba97761d..df9b2c329d5 100644
--- a/src/vs/workbench/browser/contextkeys.ts
+++ b/src/vs/workbench/browser/contextkeys.ts
@@ -9,7 +9,7 @@ import { IContextKeyService, IContextKey } from 'vs/platform/contextkey/common/c
 import { InputFocusedContext, IsMacContext, IsLinuxContext, IsWindowsContext, IsWebContext, IsMacNativeContext, IsDevelopmentContext, IsIOSContext } from 'vs/platform/contextkey/common/contextkeys';
 import { SplitEditorsVertically, InEditorZenModeContext, ActiveEditorCanRevertContext, ActiveEditorGroupLockedContext, ActiveEditorCanSplitInGroupContext, SideBySideEditorActiveContext, AuxiliaryBarVisibleContext, SideBarVisibleContext, PanelAlignmentContext, PanelMaximizedContext, PanelVisibleContext, ActiveEditorContext, EditorsVisibleContext, TextCompareEditorVisibleContext, TextCompareEditorActiveContext, ActiveEditorGroupEmptyContext, MultipleEditorGroupsContext, EditorTabsVisibleContext, IsCenteredLayoutContext, ActiveEditorGroupIndexContext, ActiveEditorGroupLastContext, ActiveEditorReadonlyContext, EditorAreaVisibleContext, ActiveEditorAvailableEditorIdsContext, DirtyWorkingCopiesContext, EmptyWorkspaceSupportContext, EnterMultiRootWorkspaceSupportContext, HasWebFileSystemAccess, IsFullscreenContext, OpenFolderWorkspaceSupportContext, RemoteNameContext, VirtualWorkspaceContext, WorkbenchStateContext, WorkspaceFolderCountContext, PanelPositionContext } from 'vs/workbench/common/contextkeys';
 import { TEXT_DIFF_EDITOR_ID, EditorInputCapabilities, SIDE_BY_SIDE_EDITOR_ID, DEFAULT_EDITOR_ASSOCIATION } from 'vs/workbench/common/editor';
-import { trackFocus, addDisposableListener, EventType, WebFileSystemAccess } from 'vs/base/browser/dom';
+import { trackFocus, addDisposableListener, EventType } from 'vs/base/browser/dom';
 import { preferredSideBySideGroupDirection, GroupDirection, IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { IWorkbenchEnvironmentService } from 'vs/workbench/services/environment/common/environmentService';
@@ -23,6 +23,7 @@ import { isNative } from 'vs/base/common/platform';
 import { IEditorResolverService } from 'vs/workbench/services/editor/common/editorResolverService';
 import { IPaneCompositePartService } from 'vs/workbench/services/panecomposite/browser/panecomposite';
 import { Schemas } from 'vs/base/common/network';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 export class WorkbenchContextKeysHandler extends Disposable {
 	private inputFocusedContext: IContextKey<boolean>;
diff --git a/src/vs/workbench/browser/web.main.ts b/src/vs/workbench/browser/web.main.ts
index 61fab618b25..4324f9f3814 100644
--- a/src/vs/workbench/browser/web.main.ts
+++ b/src/vs/workbench/browser/web.main.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { mark } from 'vs/base/common/performance';
-import { domContentLoaded, detectFullscreen, getCookieValue, WebFileSystemAccess } from 'vs/base/browser/dom';
+import { domContentLoaded, detectFullscreen, getCookieValue } from 'vs/base/browser/dom';
 import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
 import { ILogService, ConsoleLogger, MultiplexLogService, getLogLevel } from 'vs/platform/log/common/log';
 import { ConsoleLogInAutomationLogger } from 'vs/platform/log/browser/log';
@@ -68,6 +68,7 @@ import { ICredentialsService } from 'vs/platform/credentials/common/credentials'
 import { IndexedDB } from 'vs/base/browser/indexedDB';
 import { BrowserCredentialsService } from 'vs/workbench/services/credentials/browser/credentialsService';
 import { IWorkspace } from 'vs/workbench/services/host/browser/browserHostService';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 export class BrowserMain extends Disposable {
 
diff --git a/src/vs/workbench/contrib/files/browser/fileImportExport.ts b/src/vs/workbench/contrib/files/browser/fileImportExport.ts
index 4ab523e659c..a13c187fd92 100644
--- a/src/vs/workbench/contrib/files/browser/fileImportExport.ts
+++ b/src/vs/workbench/contrib/files/browser/fileImportExport.ts
@@ -23,7 +23,7 @@ import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace
 import { extractEditorsDropData } from 'vs/workbench/browser/dnd';
 import { IWorkspaceEditingService } from 'vs/workbench/services/workspaces/common/workspaceEditing';
 import { isWeb } from 'vs/base/common/platform';
-import { triggerDownload, WebFileSystemAccess } from 'vs/base/browser/dom';
+import { triggerDownload } from 'vs/base/browser/dom';
 import { ILogService } from 'vs/platform/log/common/log';
 import { FileAccess, Schemas } from 'vs/base/common/network';
 import { mnemonicButtonLabel } from 'vs/base/common/labels';
@@ -33,6 +33,7 @@ import { once } from 'vs/base/common/functional';
 import { coalesce } from 'vs/base/common/arrays';
 import { canceled } from 'vs/base/common/errors';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 //#region Browser File Upload (drag and drop, input element)
 
diff --git a/src/vs/workbench/services/dialogs/browser/fileDialogService.ts b/src/vs/workbench/services/dialogs/browser/fileDialogService.ts
index 56c2409e16d..12efd7c86ec 100644
--- a/src/vs/workbench/services/dialogs/browser/fileDialogService.ts
+++ b/src/vs/workbench/services/dialogs/browser/fileDialogService.ts
@@ -13,11 +13,12 @@ import { HTMLFileSystemProvider } from 'vs/platform/files/browser/htmlFileSystem
 import { localize } from 'vs/nls';
 import { getMediaOrTextMime } from 'vs/base/common/mime';
 import { basename } from 'vs/base/common/resources';
-import { triggerDownload, triggerUpload, WebFileSystemAccess } from 'vs/base/browser/dom';
+import { triggerDownload, triggerUpload } from 'vs/base/browser/dom';
 import Severity from 'vs/base/common/severity';
 import { VSBuffer } from 'vs/base/common/buffer';
 import { extractFilesDropData } from 'vs/workbench/browser/dnd';
 import { Iterable } from 'vs/base/common/iterator';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 export class FileDialogService extends AbstractFileDialogService implements IFileDialogService {
 
diff --git a/src/vs/workbench/services/search/browser/searchService.ts b/src/vs/workbench/services/search/browser/searchService.ts
index 2ffbe30dae7..21bb410c03e 100644
--- a/src/vs/workbench/services/search/browser/searchService.ts
+++ b/src/vs/workbench/services/search/browser/searchService.ts
@@ -25,7 +25,7 @@ import { Schemas } from 'vs/base/common/network';
 import { URI, UriComponents } from 'vs/base/common/uri';
 import { Emitter, Event } from 'vs/base/common/event';
 import { localize } from 'vs/nls';
-import { WebFileSystemAccess } from 'vs/base/browser/dom';
+import { WebFileSystemAccess } from 'vs/platform/files/browser/webFileSystemAccess';
 
 export class RemoteSearchService extends SearchService {
 	constructor(