diff --git a/src/tsconfig.strictNullChecks.json b/src/tsconfig.strictNullChecks.json
index 8713c8cd1e4..86a38168cfe 100644
--- a/src/tsconfig.strictNullChecks.json
+++ b/src/tsconfig.strictNullChecks.json
@@ -418,6 +418,7 @@
 		"./vs/platform/dialogs/node/dialogIpc.ts",
 		"./vs/platform/dialogs/node/dialogService.ts",
 		"./vs/platform/download/common/download.ts",
+		"./vs/platform/download/node/downloadIpc.ts",
 		"./vs/platform/download/node/downloadService.ts",
 		"./vs/platform/driver/electron-main/driver.ts",
 		"./vs/platform/driver/node/driver.ts",
@@ -644,6 +645,7 @@
 		"./vs/workbench/parts/welcome/gettingStarted/electron-browser/gettingStarted.ts",
 		"./vs/workbench/parts/welcome/page/electron-browser/vs_code_welcome_page.ts",
 		"./vs/workbench/parts/welcome/walkThrough/node/walkThroughUtils.ts",
+		"./vs/workbench/services/actions/electron-browser/menusExtensionPoint.ts",
 		"./vs/workbench/services/activity/common/activity.ts",
 		"./vs/workbench/services/backup/common/backup.ts",
 		"./vs/workbench/services/backup/node/backupFileService.ts",
@@ -716,8 +718,7 @@
 		"./vs/workbench/services/themes/common/workbenchThemeService.ts",
 		"./vs/workbench/services/title/common/titleService.ts",
 		"./vs/workbench/services/workspace/common/workspaceEditing.ts",
-		"./vs/workbench/test/electron-browser/api/mock.ts",
-		"./vs/platform/download/node/downloadIpc.ts"
+		"./vs/workbench/test/electron-browser/api/mock.ts"
 	],
 	"exclude": [
 		"./typings/require-monaco.d.ts"
diff --git a/src/vs/workbench/services/actions/electron-browser/menusExtensionPoint.ts b/src/vs/workbench/services/actions/electron-browser/menusExtensionPoint.ts
index dbebd087bf0..b7e0f358dbe 100644
--- a/src/vs/workbench/services/actions/electron-browser/menusExtensionPoint.ts
+++ b/src/vs/workbench/services/actions/electron-browser/menusExtensionPoint.ts
@@ -10,7 +10,7 @@ import { IJSONSchema } from 'vs/base/common/jsonSchema';
 import { forEach } from 'vs/base/common/collections';
 import { IExtensionPointUser, ExtensionMessageCollector, ExtensionsRegistry } from 'vs/workbench/services/extensions/common/extensionsRegistry';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
-import { MenuId, MenuRegistry, ILocalizedString } from 'vs/platform/actions/common/actions';
+import { MenuId, MenuRegistry, ILocalizedString, IMenuItem } from 'vs/platform/actions/common/actions';
 import { URI } from 'vs/base/common/uri';
 
 namespace schema {
@@ -199,7 +199,7 @@ namespace schema {
 		return true;
 	}
 
-	function isValidIcon(icon: IUserFriendlyIcon, collector: ExtensionMessageCollector): boolean {
+	function isValidIcon(icon: IUserFriendlyIcon | undefined, collector: ExtensionMessageCollector): boolean {
 		if (typeof icon === 'undefined') {
 			return true;
 		}
@@ -286,7 +286,7 @@ ExtensionsRegistry.registerExtensionPoint<schema.IUserFriendlyCommand | schema.I
 
 		const { icon, category, title, command } = userFriendlyCommand;
 
-		let absoluteIcon: { dark: URI; light?: URI; };
+		let absoluteIcon: { dark: URI; light?: URI; } | undefined;
 		if (icon) {
 			if (typeof icon === 'string') {
 				absoluteIcon = { dark: resources.joinPath(extension.description.extensionLocation, icon) };
@@ -346,8 +346,8 @@ ExtensionsRegistry.registerExtensionPoint<{ [loc: string]: schema.IUserFriendlyM
 					collector.info(localize('dupe.command', "Menu item references the same command as default and alt-command"));
 				}
 
-				let group: string;
-				let order: number;
+				let group: string | undefined;
+				let order: number | undefined;
 				if (item.group) {
 					const idx = item.group.lastIndexOf('@');
 					if (idx > 0) {
@@ -364,7 +364,7 @@ ExtensionsRegistry.registerExtensionPoint<{ [loc: string]: schema.IUserFriendlyM
 					group,
 					order,
 					when: ContextKeyExpr.deserialize(item.when)
-				});
+				} as IMenuItem);
 			}
 		});
 	}