diff --git a/packages/metro-bundler/src/AssetServer/index.js b/packages/metro-bundler/src/AssetServer/index.js
index e2ffd01c..79fe9ca8 100644
--- a/packages/metro-bundler/src/AssetServer/index.js
+++ b/packages/metro-bundler/src/AssetServer/index.js
@@ -14,7 +14,7 @@
 const crypto = require('crypto');
 const denodeify = require('denodeify');
 const fs = require('fs');
-const getAssetDataFromName = require('../node-haste/DependencyGraph').getAssetDataFromName;
+const getAssetDataFromName = require('../node-haste/lib/getAssetDataFromName');
 const path = require('path');
 
 import type {AssetData} from '../node-haste/lib/getAssetDataFromName';
@@ -55,7 +55,10 @@ class AssetServer {
   }
 
   get(assetPath: string, platform: ?string = null): Promise<Buffer> {
-    const assetData = getAssetDataFromName(assetPath, new Set([platform]));
+    const assetData = getAssetDataFromName(
+      assetPath,
+      new Set(platform != null ? [platform] : []),
+    );
     return this._getAssetRecord(assetPath, platform).then(record => {
       for (let i = 0; i < record.scales.length; i++) {
         if (record.scales[i] >= assetData.resolution) {
@@ -74,7 +77,10 @@ class AssetServer {
     scales: Array<number>,
     type: string,
   |}> {
-    const nameData = getAssetDataFromName(assetPath, new Set([platform]));
+    const nameData = getAssetDataFromName(
+      assetPath,
+      new Set(platform != null ? [platform] : []),
+    );
     const {name, type} = nameData;
 
     return this._getAssetRecord(assetPath, platform).then(record => {
@@ -135,7 +141,10 @@ class AssetServer {
       .then(res => {
         const dir = res[0];
         const files = res[1];
-        const assetData = getAssetDataFromName(filename, new Set([platform]));
+        const assetData = getAssetDataFromName(
+          filename,
+          new Set(platform != null ? [platform] : []),
+        );
 
         const map = this._buildAssetMap(dir, files, platform);
 
diff --git a/packages/metro-bundler/src/node-haste/DependencyGraph.js b/packages/metro-bundler/src/node-haste/DependencyGraph.js
index c0e547f1..369e81b2 100644
--- a/packages/metro-bundler/src/node-haste/DependencyGraph.js
+++ b/packages/metro-bundler/src/node-haste/DependencyGraph.js
@@ -16,18 +16,14 @@ const FilesByDirNameIndex = require('./FilesByDirNameIndex');
 const JestHasteMap = require('jest-haste-map');
 const Module = require('./Module');
 const ModuleCache = require('./ModuleCache');
-const Polyfill = require('./Polyfill');
 const ResolutionRequest = require('./DependencyGraph/ResolutionRequest');
 const ResolutionResponse = require('./DependencyGraph/ResolutionResponse');
 
 const fs = require('fs');
-const getAssetDataFromName = require('./lib/getAssetDataFromName');
-const getInverseDependencies = require('./lib/getInverseDependencies');
 const getPlatformExtension = require('./lib/getPlatformExtension');
 const invariant = require('fbjs/lib/invariant');
 const isAbsolutePath = require('absolute-path');
 const path = require('path');
-const replacePatterns = require('./lib/replacePatterns');
 const util = require('util');
 
 const {
@@ -288,22 +284,8 @@ class DependencyGraph extends EventEmitter {
     return this._moduleCache.createPolyfill(options);
   }
 
-  static Module;
-  static Polyfill;
-  static getAssetDataFromName;
-  static replacePatterns;
-  static getInverseDependencies;
-
 }
 
-Object.assign(DependencyGraph, {
-  Module,
-  Polyfill,
-  getAssetDataFromName,
-  replacePatterns,
-  getInverseDependencies,
-});
-
 function NotFoundError() {
   /* $FlowFixMe: monkey-patching */
   Error.call(this);