diff --git a/Gulpfile.ts b/Gulpfile.ts
index 26c32362a4d..4b742d84ab8 100644
--- a/Gulpfile.ts
+++ b/Gulpfile.ts
@@ -16,7 +16,8 @@ import * as minimist from "minimist";
 import * as os from "os";
 import * as Linter from "tslint";
 const gulp = helpMaker(originalGulp);
-import {runTestsInParallel} from "./scripts/mocha-parallel";
+const mochaParallel = require("./scripts/mocha-parallel.js");
+const {runTestsInParallel} = mochaParallel;
 
 const cmdLineOptions = minimist(process.argv.slice(2), {
     boolean: ["debug", "light", "colors", "lint", "soft"],
diff --git a/package.json b/package.json
index 2e5987eb3fb..d566160a8a2 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,6 @@
         "node": ">=0.8.0"
     },
     "devDependencies": {
-        "@types/Q": "latest",
         "@types/del": "latest",
         "@types/glob": "latest",
         "@types/gulp": "latest",