diff --git a/package.json b/package.json
index 3fbc427e8a..cfca8db458 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "lint": "npm-run-all --parallel lint_*",
     "perf": "protractor protractor.conf.js",
     "perf_micro": "node ./perf/micro/index.js",
-    "prepublish": "shx rm -rf ./typings && typings install && npm run build_all",
+    "prepublish": "npm run build_all",
     "publish_docs": "./publish_docs.sh",
     "test_mocha": "mocha --opts spec/support/default.opts spec-js",
     "debug_mocha": "node --inspect --debug-brk ./node_modules/.bin/_mocha --opts spec/support/debug.opts spec-js",
@@ -146,6 +146,12 @@
   },
   "homepage": "https://github.com/ReactiveX/RxJS",
   "devDependencies": {
+    "@types/chai": "3.5.2",
+    "@types/lodash": "4.14.50",
+    "@types/mocha": "2.2.41",
+    "@types/node": "7.0.22",
+    "@types/sinon": "2.2.2",
+    "@types/sinon-chai": "2.7.27",
     "babel-polyfill": "^6.23.0",
     "benchmark": "^2.1.0",
     "benchpress": "2.0.0-beta.1",
@@ -192,7 +198,6 @@
     "tslib": "^1.5.0",
     "tslint": "^4.4.2",
     "typescript": "~2.0.6",
-    "typings": "^2.0.0",
     "validate-commit-msg": "^2.3.1",
     "watch": "^1.0.1",
     "webpack": "^1.13.1",
@@ -205,4 +210,4 @@
   "dependencies": {
     "symbol-observable": "^1.0.1"
   }
-}
+}
\ No newline at end of file
diff --git a/spec/helpers/doNotUnsubscribe.ts b/spec/helpers/doNotUnsubscribe.ts
index 29341119a6..872f01e8f3 100644
--- a/spec/helpers/doNotUnsubscribe.ts
+++ b/spec/helpers/doNotUnsubscribe.ts
@@ -1,4 +1,3 @@
-///<reference path='../../typings/index.d.ts'/>
 import * as Rx from '../../dist/cjs/Rx';
 
 export function doNotUnsubscribe<T>(ob: Rx.Observable<T>): Rx.Observable<T> {
diff --git a/spec/helpers/marble-testing.ts b/spec/helpers/marble-testing.ts
index 2fb9bcdf72..49d3bafed9 100644
--- a/spec/helpers/marble-testing.ts
+++ b/spec/helpers/marble-testing.ts
@@ -1,4 +1,3 @@
-///<reference path='../../typings/index.d.ts'/>
 import {Observable} from '../../dist/cjs/Observable';
 import {SubscriptionLog} from '../../dist/cjs/testing/SubscriptionLog';
 import {ColdObservable} from '../../dist/cjs/testing/ColdObservable';
diff --git a/spec/helpers/test-helper.ts b/spec/helpers/test-helper.ts
index 2acd0f40d9..0b9ee7a96e 100644
--- a/spec/helpers/test-helper.ts
+++ b/spec/helpers/test-helper.ts
@@ -1,4 +1,3 @@
-///<reference path='../../typings/index.d.ts'/>
 declare const global: any;
 
 import * as Rx from '../../dist/cjs/Rx';
diff --git a/spec/helpers/testScheduler-ui.ts b/spec/helpers/testScheduler-ui.ts
index 0e522e6d60..93a5bda3b7 100644
--- a/spec/helpers/testScheduler-ui.ts
+++ b/spec/helpers/testScheduler-ui.ts
@@ -1,4 +1,3 @@
-///<reference path='../../typings/index.d.ts'/>
 ///<reference path='ambient.d.ts'/>
 
 import * as _ from 'lodash';
diff --git a/typings.json b/typings.json
deleted file mode 100644
index e329d616d7..0000000000
--- a/typings.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "devDependencies": {
-    "chai": "registry:npm/chai#3.5.0+20160723033700",
-    "lodash": "registry:npm/lodash#4.0.0+20161015015725",
-    "sinon": "registry:npm/sinon#1.16.0+20160723033700",
-    "sinon-chai": "registry:npm/sinon-chai#2.8.0+20160310030142"
-  },
-  "globalDevDependencies": {
-    "mocha": "registry:env/mocha#2.2.5+20160926180742",
-    "node": "registry:env/node#6.0.0+20161105011511"
-  }
-}