diff --git a/app/src/plugins.ts b/app/src/plugins.ts
index 9c6eaa69..046d14ea 100644
--- a/app/src/plugins.ts
+++ b/app/src/plugins.ts
@@ -3,6 +3,8 @@ import * as path from 'path'
 const nodeModule = require('module')
 const nodeRequire = (global as any).require
 
+declare function delay (ms: number): Promise<void>
+
 function normalizePath (path: string): string {
     const cygwinPrefix = '/cygdrive/'
     if (path.startsWith(cygwinPrefix)) {
diff --git a/app/tsconfig.json b/app/tsconfig.json
index b719c576..b3e4adf8 100644
--- a/app/tsconfig.json
+++ b/app/tsconfig.json
@@ -18,11 +18,13 @@
            "dom",
            "es2015",
            "es2015.iterable.ts",
+           "es2017",
            "es7"
         ]
     },
     "compileOnSave": false,
     "exclude": [
+        "dist",
         "node_modules",
         "*/node_modules",
         "terminus*",
diff --git a/package.json b/package.json
index bb2f9721..08cba367 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
   "name": "term",
   "devDependencies": {
-    "@types/core-js": "0.9.35",
     "@types/electron": "1.4.34",
     "@types/fs-promise": "1.0.1",
     "@types/node": "7.0.5",
diff --git a/scripts/prepackage-plugins.js b/scripts/prepackage-plugins.js
index ad290914..2ff0b688 100755
--- a/scripts/prepackage-plugins.js
+++ b/scripts/prepackage-plugins.js
@@ -18,7 +18,7 @@ vars.builtinPlugins.forEach(plugin => {
   sh.exec(`npm install --only=prod`)
   log.info('rebuild', 'native')
   if (fs.existsSync('node_modules')) {
-    rebuild(path.resolve('.'), vars.electronVersion, process.arch, vars.nativeModules, true)
+    rebuild(path.resolve('.'), vars.electronVersion, process.arch, [], true)
   }
   sh.cd('..')
 })