diff --git a/src/vs/code/electron-browser/issue/issueReporterMain.ts b/src/vs/code/electron-browser/issue/issueReporterMain.ts
index a570fa16b49..0d270a52602 100644
--- a/src/vs/code/electron-browser/issue/issueReporterMain.ts
+++ b/src/vs/code/electron-browser/issue/issueReporterMain.ts
@@ -18,7 +18,7 @@ import { Disposable } from 'vs/base/common/lifecycle';
 import { getDelayedChannel } from 'vs/base/parts/ipc/common/ipc';
 import { connect as connectNet } from 'vs/base/parts/ipc/node/ipc.net';
 import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
-import { IWindowConfiguration, IWindowsService } from 'vs/platform/windows/common/windows';
+import { IWindowConfiguration } from 'vs/platform/windows/common/windows';
 import { NullTelemetryService, combinedAppender, LogAppender } from 'vs/platform/telemetry/common/telemetryUtils';
 import { IEnvironmentService } from 'vs/platform/environment/common/environment';
 import { ITelemetryServiceConfig, TelemetryService } from 'vs/platform/telemetry/common/telemetryService';
@@ -26,7 +26,6 @@ import { TelemetryAppenderClient } from 'vs/platform/telemetry/node/telemetryIpc
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { InstantiationService } from 'vs/platform/instantiation/common/instantiationService';
 import { resolveCommonProperties } from 'vs/platform/telemetry/node/commonProperties';
-import { WindowsService } from 'vs/platform/windows/electron-browser/windowsService';
 import { MainProcessService, IMainProcessService } from 'vs/platform/ipc/electron-browser/mainProcessService';
 import { EnvironmentService } from 'vs/platform/environment/node/environmentService';
 import { IssueReporterModel, IssueReporterData as IssueReporterModelData } from 'vs/code/electron-browser/issue/issueReporterModel';
@@ -296,7 +295,6 @@ export class IssueReporter extends Disposable {
 		const mainProcessService = new MainProcessService(configuration.windowId);
 		serviceCollection.set(IMainProcessService, mainProcessService);
 
-		serviceCollection.set(IWindowsService, new WindowsService(mainProcessService));
 		this.environmentService = new EnvironmentService(configuration, configuration.execPath);
 
 		const logService = new SpdLogService(`issuereporter${configuration.windowId}`, this.environmentService.logsPath, getLogLevel(this.environmentService));
diff --git a/src/vs/platform/windows/electron-main/legacyWindowsMainService.ts b/src/vs/platform/windows/electron-main/legacyWindowsMainService.ts
index 1ac67f0cd2a..0d8d47f3609 100644
--- a/src/vs/platform/windows/electron-main/legacyWindowsMainService.ts
+++ b/src/vs/platform/windows/electron-main/legacyWindowsMainService.ts
@@ -8,7 +8,7 @@ import { assign } from 'vs/base/common/objects';
 import { URI } from 'vs/base/common/uri';
 import { IWindowsService, OpenContext } from 'vs/platform/windows/common/windows';
 import { IEnvironmentService, ParsedArgs } from 'vs/platform/environment/common/environment';
-import { app, MessageBoxReturnValue, SaveDialogReturnValue, OpenDialogReturnValue, BrowserWindow, MessageBoxOptions, SaveDialogOptions, OpenDialogOptions } from 'electron';
+import { app, BrowserWindow } from 'electron';
 import { Event } from 'vs/base/common/event';
 import { IURLService, IURLHandler } from 'vs/platform/url/common/url';
 import { IWindowsMainService, ICodeWindow } from 'vs/platform/windows/electron-main/windows';
@@ -55,24 +55,6 @@ export class LegacyWindowsMainService extends Disposable implements IWindowsServ
 			(id => this._activeWindowId = id, null, this.disposables);
 	}
 
-	async showMessageBox(windowId: number, options: MessageBoxOptions): Promise<MessageBoxReturnValue> {
-		this.logService.trace('windowsService#showMessageBox', windowId);
-
-		return this.withWindow(windowId, codeWindow => this.windowsMainService.showMessageBox(options, codeWindow), () => this.windowsMainService.showMessageBox(options))!;
-	}
-
-	async showSaveDialog(windowId: number, options: SaveDialogOptions): Promise<SaveDialogReturnValue> {
-		this.logService.trace('windowsService#showSaveDialog', windowId);
-
-		return this.withWindow(windowId, codeWindow => this.windowsMainService.showSaveDialog(options, codeWindow), () => this.windowsMainService.showSaveDialog(options))!;
-	}
-
-	async showOpenDialog(windowId: number, options: OpenDialogOptions): Promise<OpenDialogReturnValue> {
-		this.logService.trace('windowsService#showOpenDialog', windowId);
-
-		return this.withWindow(windowId, codeWindow => this.windowsMainService.showOpenDialog(options, codeWindow), () => this.windowsMainService.showOpenDialog(options))!;
-	}
-
 	async addRecentlyOpened(recents: IRecent[]): Promise<void> {
 		this.logService.trace('windowsService#addRecentlyOpened');
 		this.historyMainService.addRecentlyOpened(recents);
@@ -129,12 +111,6 @@ export class LegacyWindowsMainService extends Disposable implements IWindowsServ
 		}));
 	}
 
-	async getWindowCount(): Promise<number> {
-		this.logService.trace('windowsService#getWindowCount');
-
-		return this.windowsMainService.getWindows().length;
-	}
-
 	async getActiveWindowId(): Promise<number | undefined> {
 		return this._activeWindowId;
 	}