diff --git a/src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts b/src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts
index 532a550c52a..acfde86cf11 100644
--- a/src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts
+++ b/src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts
@@ -10,11 +10,10 @@ import { URI } from 'vs/base/common/uri';
 import { gt } from 'vs/base/common/semver/semver';
 import { CLIOutput, IExtensionGalleryService, IExtensionManagementCLIService, IExtensionManagementService, IGalleryExtension, ILocalExtension, InstallOptions } from 'vs/platform/extensionManagement/common/extensionManagement';
 import { adoptToGalleryExtensionId, areSameExtensions, getGalleryExtensionId } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
-import { ExtensionType, EXTENSION_CATEGORIES, IExtensionManifest, isLanguagePackExtension } from 'vs/platform/extensions/common/extensions';
+import { ExtensionType, EXTENSION_CATEGORIES, IExtensionManifest } from 'vs/platform/extensions/common/extensions';
 import { getBaseLabel } from 'vs/base/common/labels';
 import { CancellationToken } from 'vs/base/common/cancellation';
 import { Schemas } from 'vs/base/common/network';
-import { ILocalizationsService } from 'vs/platform/localizations/common/localizations';
 
 const notFound = (id: string) => localize('notFound', "Extension '{0}' not found.", id);
 const useId = localize('useId', "Make sure you use the full extension ID, including the publisher, e.g.: {0}", 'ms-dotnettools.csharp');
@@ -47,8 +46,7 @@ export class ExtensionManagementCLIService implements IExtensionManagementCLISer
 
 	constructor(
 		@IExtensionManagementService private readonly extensionManagementService: IExtensionManagementService,
-		@IExtensionGalleryService private readonly extensionGalleryService: IExtensionGalleryService,
-		@ILocalizationsService private readonly localizationsService: ILocalizationsService
+		@IExtensionGalleryService private readonly extensionGalleryService: IExtensionGalleryService
 	) { }
 
 	protected get location(): string | undefined {
@@ -170,10 +168,6 @@ export class ExtensionManagementCLIService implements IExtensionManagementCLISer
 
 		}
 
-		if (installedExtensionsManifests.some(manifest => isLanguagePackExtension(manifest))) {
-			await this.updateLocalizationsCache();
-		}
-
 		if (failed.length) {
 			throw new Error(localize('installation failed', "Failed Installing Extensions: {0}", failed.join(', ')));
 		}
@@ -315,10 +309,6 @@ export class ExtensionManagementCLIService implements IExtensionManagementCLISer
 			}
 
 		}
-
-		if (uninstalledExtensions.some(e => isLanguagePackExtension(e.manifest))) {
-			await this.updateLocalizationsCache();
-		}
 	}
 
 	public async locateExtension(extensions: string[], output: CLIOutput = console): Promise<void> {
@@ -335,11 +325,6 @@ export class ExtensionManagementCLIService implements IExtensionManagementCLISer
 		});
 	}
 
-
-	private updateLocalizationsCache(): Promise<boolean> {
-		return this.localizationsService.update();
-	}
-
 	private notInstalled(id: string) {
 		return this.location ? localize('notInstalleddOnLocation', "Extension '{0}' is not installed on {1}.", id, this.location) : localize('notInstalled', "Extension '{0}' is not installed.", id);
 	}
diff --git a/src/vs/platform/localizations/common/localizations.ts b/src/vs/platform/localizations/common/localizations.ts
index 27fa81bae5f..509c4ada830 100644
--- a/src/vs/platform/localizations/common/localizations.ts
+++ b/src/vs/platform/localizations/common/localizations.ts
@@ -25,8 +25,6 @@ export interface ILocalizationsService {
 
 	readonly onDidLanguagesChange: Event<void>;
 	getLanguageIds(): Promise<string[]>;
-
-	update(): Promise<boolean>;
 }
 
 export function isValidLocalization(localization: ILocalization): boolean {
diff --git a/src/vs/workbench/api/browser/mainThreadCLICommands.ts b/src/vs/workbench/api/browser/mainThreadCLICommands.ts
index 19fee9b47f9..0976a8ab5d3 100644
--- a/src/vs/workbench/api/browser/mainThreadCLICommands.ts
+++ b/src/vs/workbench/api/browser/mainThreadCLICommands.ts
@@ -15,7 +15,6 @@ import { getExtensionId } from 'vs/platform/extensionManagement/common/extension
 import { IInstantiationService, ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
 import { ILabelService } from 'vs/platform/label/common/label';
-import { ILocalizationsService } from 'vs/platform/localizations/common/localizations';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
 import { IProductService } from 'vs/platform/product/common/productService';
 import { IWorkbenchEnvironmentService } from 'vs/workbench/services/environment/common/environmentService';
@@ -85,11 +84,10 @@ class RemoteExtensionCLIManagementService extends ExtensionManagementCLIService
 		@IProductService productService: IProductService,
 		@IConfigurationService configurationService: IConfigurationService,
 		@IExtensionGalleryService extensionGalleryService: IExtensionGalleryService,
-		@ILocalizationsService localizationsService: ILocalizationsService,
 		@ILabelService labelService: ILabelService,
 		@IWorkbenchEnvironmentService envService: IWorkbenchEnvironmentService
 	) {
-		super(extensionManagementService, extensionGalleryService, localizationsService);
+		super(extensionManagementService, extensionGalleryService);
 
 		const remoteAuthority = envService.remoteAuthority;
 		this._location = remoteAuthority ? labelService.getHostLabel(Schemas.vscodeRemote, remoteAuthority) : undefined;
diff --git a/src/vs/workbench/api/node/extHostCLIServer.ts b/src/vs/workbench/api/node/extHostCLIServer.ts
index 16059168daf..21f053df2ff 100644
--- a/src/vs/workbench/api/node/extHostCLIServer.ts
+++ b/src/vs/workbench/api/node/extHostCLIServer.ts
@@ -166,7 +166,6 @@ export class CLIServerBase {
 	}
 
 	private async manageExtensions(data: ExtensionManagementPipeArgs, res: http.ServerResponse) {
-		console.log('server: manageExtensions');
 		try {
 			const toExtOrVSIX = (inputs: string[] | undefined) => inputs?.map(input => /\.vsix$/i.test(input) ? URI.parse(input) : input);
 			const commandArgs = {
@@ -175,12 +174,16 @@ export class CLIServerBase {
 				uninstall: toExtOrVSIX(data.uninstall),
 				force: data.force
 			};
-			const output = await this._commands.executeCommand('_remoteCLI.manageExtensions', commandArgs, { allowTunneling: true });
+			const output = await this._commands.executeCommand('_remoteCLI.manageExtensions', commandArgs);
 			res.writeHead(200);
 			res.write(output);
-		} catch (e) {
+		} catch (err) {
 			res.writeHead(500);
-			res.write(String(e));
+			res.write(String(err), err => {
+				if (err) {
+					this.logService.error(err);
+				}
+			});
 		}
 		res.end();
 	}