diff --git a/src/vs/workbench/services/textfile/test/node/encoding/encoding.test.ts b/src/vs/workbench/services/textfile/test/node/encoding/encoding.test.ts
index 7aaa93f0d9a..f110a6b49f7 100644
--- a/src/vs/workbench/services/textfile/test/node/encoding/encoding.test.ts
+++ b/src/vs/workbench/services/textfile/test/node/encoding/encoding.test.ts
@@ -298,7 +298,6 @@ suite('Encoding', () => {
 		assert.equal(content, '');
 	});
 
-
 	test('toDecodeStream - encoding, utf16be', async function () {
 		const path = getPathFromAmdModule(require, './fixtures/some_utf16be.css');
 		const source = streamToBufferReadableStream(fs.createReadStream(path));
@@ -313,7 +312,6 @@ suite('Encoding', () => {
 		assert.equal(actual, expected);
 	});
 
-
 	test('toDecodeStream - empty file', async function () {
 		const path = getPathFromAmdModule(require, './fixtures/empty.txt');
 		const source = streamToBufferReadableStream(fs.createReadStream(path));
diff --git a/src/vs/workbench/test/browser/workbenchTestServices.ts b/src/vs/workbench/test/browser/workbenchTestServices.ts
index 2bade794d32..92ab7bf7ef7 100644
--- a/src/vs/workbench/test/browser/workbenchTestServices.ts
+++ b/src/vs/workbench/test/browser/workbenchTestServices.ts
@@ -291,7 +291,7 @@ export class TestBrowserTextFileServiceWithEncodingOverrides extends BrowserText
 	}
 }
 
-class TestEncodingOracle extends EncodingOracle {
+export class TestEncodingOracle extends EncodingOracle {
 
 	protected get encodingOverrides(): IEncodingOverride[] {
 		return [
diff --git a/src/vs/workbench/test/electron-browser/workbenchTestServices.ts b/src/vs/workbench/test/electron-browser/workbenchTestServices.ts
index 5e391bb92b9..eb0221ab529 100644
--- a/src/vs/workbench/test/electron-browser/workbenchTestServices.ts
+++ b/src/vs/workbench/test/electron-browser/workbenchTestServices.ts
@@ -3,12 +3,11 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { workbenchInstantiationService as browserWorkbenchInstantiationService, ITestInstantiationService, TestLifecycleService, TestFilesConfigurationService, TestFileService, TestFileDialogService, TestPathService } from 'vs/workbench/test/browser/workbenchTestServices';
+import { workbenchInstantiationService as browserWorkbenchInstantiationService, ITestInstantiationService, TestLifecycleService, TestFilesConfigurationService, TestFileService, TestFileDialogService, TestPathService, TestEncodingOracle } from 'vs/workbench/test/browser/workbenchTestServices';
 import { Event } from 'vs/base/common/event';
 import { ISharedProcessService } from 'vs/platform/ipc/electron-browser/sharedProcessService';
 import { NativeWorkbenchEnvironmentService, INativeWorkbenchEnvironmentService } from 'vs/workbench/services/environment/electron-browser/environmentService';
 import { NativeTextFileService, } from 'vs/workbench/services/textfile/electron-browser/nativeTextFileService';
-import { EncodingOracle, IEncodingOverride } from 'vs/workbench/services/textfile/browser/textFileService';
 import { IElectronService } from 'vs/platform/electron/electron-sandbox/electron';
 import { FileOperationError, IFileService } from 'vs/platform/files/common/files';
 import { IUntitledTextEditorService } from 'vs/workbench/services/untitled/common/untitledTextEditorService';
@@ -30,7 +29,6 @@ import { parseArgs, OPTIONS } from 'vs/platform/environment/node/argv';
 import { LogLevel, ILogService } from 'vs/platform/log/common/log';
 import { IPathService } from 'vs/workbench/services/path/common/pathService';
 import { IWorkingCopyFileService } from 'vs/workbench/services/workingCopy/common/workingCopyFileService';
-import { UTF16le, UTF16be, UTF8_with_bom } from 'vs/workbench/services/textfile/common/encoding';
 import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
 import { ModelServiceImpl } from 'vs/editor/common/services/modelServiceImpl';
 import { IBackupFileService } from 'vs/workbench/services/backup/common/backup';
@@ -142,19 +140,6 @@ export class TestNativeTextFileServiceWithEncodingOverrides extends NativeTextFi
 	}
 }
 
-class TestEncodingOracle extends EncodingOracle {
-
-	protected get encodingOverrides(): IEncodingOverride[] {
-		return [
-			{ extension: 'utf16le', encoding: UTF16le },
-			{ extension: 'utf16be', encoding: UTF16be },
-			{ extension: 'utf8bom', encoding: UTF8_with_bom }
-		];
-	}
-
-	protected set encodingOverrides(overrides: IEncodingOverride[]) { }
-}
-
 export class TestSharedProcessService implements ISharedProcessService {
 
 	declare readonly _serviceBrand: undefined;