diff --git a/src/0x.ts b/src/0x.ts
index eee74b21b5..71acf0438e 100644
--- a/src/0x.ts
+++ b/src/0x.ts
@@ -1,4 +1,4 @@
-import isUndefined from 'lodash/isUndefined';
+import isUndefined = require('lodash/isUndefined');
 import * as BigNumber from 'bignumber.js';
 import {bigNumberConfigs} from './bignumber_config';
 import * as ethUtil from 'ethereumjs-util';
diff --git a/src/contract_wrappers/contract_wrapper.ts b/src/contract_wrappers/contract_wrapper.ts
index dd403ce8bd..f5d2cd4eb3 100644
--- a/src/contract_wrappers/contract_wrapper.ts
+++ b/src/contract_wrappers/contract_wrapper.ts
@@ -1,5 +1,5 @@
-import includes from 'lodash/includes';
-import isUndefined from 'lodash/isUndefined';
+import includes = require('lodash/includes');
+import isUndefined = require('lodash/isUndefined');
 import contract = require('truffle-contract');
 import {Web3Wrapper} from '../web3_wrapper';
 import {ZeroExError, Artifact, ContractInstance} from '../types';
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 4f9d03539f..6d42dc1100 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -1,8 +1,8 @@
-import map from 'lodash/map';
-import isEmpty from 'lodash/isEmpty';
-import find from 'lodash/find';
-import isUndefined from 'lodash/isUndefined';
-import unzip from 'lodash/unzip';
+import map = require('lodash/map');
+import isEmpty = require('lodash/isEmpty');
+import find = require('lodash/find');
+import isUndefined = require('lodash/isUndefined');
+import unzip = require('lodash/unzip');
 import * as BigNumber from 'bignumber.js';
 import promisify = require('es6-promisify');
 import {Web3Wrapper} from '../web3_wrapper';
diff --git a/src/contract_wrappers/token_registry_wrapper.ts b/src/contract_wrappers/token_registry_wrapper.ts
index dd27192a7d..971b2d43ca 100644
--- a/src/contract_wrappers/token_registry_wrapper.ts
+++ b/src/contract_wrappers/token_registry_wrapper.ts
@@ -1,5 +1,5 @@
-import map from 'lodash/map';
-import isUndefined from 'lodash/isUndefined';
+import map = require('lodash/map');
+import isUndefined = require('lodash/isUndefined');
 import {Web3Wrapper} from '../web3_wrapper';
 import {Token, TokenRegistryContract, TokenMetadata} from '../types';
 import {assert} from '../utils/assert';
diff --git a/src/contract_wrappers/token_wrapper.ts b/src/contract_wrappers/token_wrapper.ts
index ea24b59016..5db7248e88 100644
--- a/src/contract_wrappers/token_wrapper.ts
+++ b/src/contract_wrappers/token_wrapper.ts
@@ -1,4 +1,4 @@
-import isUndefined from 'lodash/isUndefined';
+import isUndefined = require('lodash/isUndefined');
 import * as BigNumber from 'bignumber.js';
 import {Web3Wrapper} from '../web3_wrapper';
 import {assert} from '../utils/assert';
diff --git a/src/types.ts b/src/types.ts
index e08d7f963f..d59ed67cf1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,4 @@
-import reduce from 'lodash/reduce';
+import reduce = require('lodash/reduce');
 import * as Web3 from 'web3';
 
 // Utility function to create a K:V from a list of strings
diff --git a/src/utils/assert.ts b/src/utils/assert.ts
index c4f1915e7e..efc7ed3663 100644
--- a/src/utils/assert.ts
+++ b/src/utils/assert.ts
@@ -1,10 +1,10 @@
-import uniq from 'lodash/uniq';
-import isEmpty from 'lodash/isEmpty';
-import isObject from 'lodash/isObject';
-import isFinite from 'lodash/isFinite';
-import isString from 'lodash/isString';
-import isBoolean from 'lodash/isBoolean';
-import isUndefined from 'lodash/isUndefined';
+import uniq = require('lodash/uniq');
+import isEmpty = require('lodash/isEmpty');
+import isObject = require('lodash/isObject');
+import isFinite = require('lodash/isFinite');
+import isString = require('lodash/isString');
+import isBoolean = require('lodash/isBoolean');
+import isUndefined = require('lodash/isUndefined');
 import * as BigNumber from 'bignumber.js';
 import * as Web3 from 'web3';
 import {Web3Wrapper} from '../web3_wrapper';
diff --git a/src/utils/decorators.ts b/src/utils/decorators.ts
index f8786dbbef..b06e967474 100644
--- a/src/utils/decorators.ts
+++ b/src/utils/decorators.ts
@@ -1,4 +1,4 @@
-import includes from 'lodash/includes';
+import includes = require('lodash/includes');
 import {constants} from './constants';
 import {AsyncMethod, ZeroExError} from '../types';
 
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index e4e7b77abb..2db611ccbd 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -1,5 +1,5 @@
-import map from 'lodash/map';
-import includes from 'lodash/includes';
+import map = require('lodash/map');
+import includes = require('lodash/includes');
 import * as BN from 'bn.js';
 import * as ethABI from 'ethereumjs-abi';
 import * as ethUtil from 'ethereumjs-util';
diff --git a/src/web3_wrapper.ts b/src/web3_wrapper.ts
index 7218b57395..d7cf6df584 100644
--- a/src/web3_wrapper.ts
+++ b/src/web3_wrapper.ts
@@ -1,4 +1,4 @@
-import includes from 'lodash/includes';
+import includes = require('lodash/includes');
 import * as Web3 from 'web3';
 import * as BigNumber from 'bignumber.js';
 import promisify = require('es6-promisify');
diff --git a/test/0x.js_test.ts b/test/0x.js_test.ts
index b8e387f042..e50a6018cb 100644
--- a/test/0x.js_test.ts
+++ b/test/0x.js_test.ts
@@ -1,5 +1,5 @@
-import each from 'lodash/each';
-import assign from 'lodash/assign';
+import each = require('lodash/each');
+import assign = require('lodash/assign');
 import * as chai from 'chai';
 import {chaiSetup} from './utils/chai_setup';
 import 'mocha';
diff --git a/test/schema_test.ts b/test/schema_test.ts
index 28abdc2c3e..72b08581ae 100644
--- a/test/schema_test.ts
+++ b/test/schema_test.ts
@@ -1,5 +1,5 @@
 import 'mocha';
-import forEach from 'lodash/forEach';
+import forEach = require('lodash/forEach');
 import * as chai from 'chai';
 import * as BigNumber from 'bignumber.js';
 import promisify = require('es6-promisify');
diff --git a/test/token_registry_wrapper_test.ts b/test/token_registry_wrapper_test.ts
index 74a02aa407..d7c8a7a951 100644
--- a/test/token_registry_wrapper_test.ts
+++ b/test/token_registry_wrapper_test.ts
@@ -1,4 +1,4 @@
-import each from 'lodash/each';
+import each = require('lodash/each');
 import 'mocha';
 import * as chai from 'chai';
 import {chaiSetup} from './utils/chai_setup';
diff --git a/test/utils/order_factory.ts b/test/utils/order_factory.ts
index ec16df22d9..939d5df205 100644
--- a/test/utils/order_factory.ts
+++ b/test/utils/order_factory.ts
@@ -1,5 +1,5 @@
-import assign from 'lodash/assign';
-import isUndefined from 'lodash/isUndefined';
+import assign = require('lodash/assign');
+import isUndefined = require('lodash/isUndefined');
 import * as BigNumber from 'bignumber.js';
 import {ZeroEx, SignedOrder} from '../../src';
 
diff --git a/test/utils/token_utils.ts b/test/utils/token_utils.ts
index 658cfe864d..00fa552606 100644
--- a/test/utils/token_utils.ts
+++ b/test/utils/token_utils.ts
@@ -1,6 +1,6 @@
-import find from 'lodash/find';
-import filter from 'lodash/filter';
-import isUndefined from 'lodash/isUndefined';
+import find = require('lodash/find');
+import filter = require('lodash/filter');
+import isUndefined = require('lodash/isUndefined');
 import {Token, ZeroExError} from '../../src';
 
 const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
diff --git a/tsconfig.json b/tsconfig.json
index beecbbf0bb..e26c01048d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,7 +8,6 @@
     "declaration": true,
     "noImplicitAny": true,
     "experimentalDecorators": true,
-    "allowSyntheticDefaultImports": true,
     "strictNullChecks": true
   },
   "include": [