diff --git a/tsconfig.json b/tsconfig.json
index 1486a19efdf..1ed957ba7c8 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,6 +9,10 @@
     "experimentalDecorators": true
   },
   "exclude": [
-    "node_modules"
+    "node_modules",
+    ".vscode-test"
+  ],
+  "files": [
+    "node_modules/typescript/lib/lib.es6.d.ts"
   ]
 }