4 files changed, 12 insertions, 27 deletions
diff --git a/packages/0x.js/src/index.ts b/packages/0x.js/src/index.ts
index bb689f6dc..161945443 100644
--- a/packages/0x.js/src/index.ts
+++ b/packages/0x.js/src/index.ts
@@ -16,8 +16,6 @@ export {
     ContractEventArgs,
     Web3Provider,
     ZeroExConfig,
-    ZeroExPublicNetworkConfig,
-    ZeroExPrivateNetworkConfig,
     MethodOpts,
     OrderTransactionOpts,
     TransactionOpts,
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 886beeaaa..0a3037258 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -195,26 +195,6 @@ export interface OrderStateWatcherConfig {
     cleanupJobIntervalMs?: number;
 }
 
-export interface ZeroExPublicNetworkConfig {
-    networkId: 1 | 3 | 4 | 42 | 50;
-    gasPrice?: BigNumber;
-    exchangeContractAddress?: string;
-    zrxContractAddress?: string;
-    tokenRegistryContractAddress?: string;
-    tokenTransferProxyContractAddress?: string;
-    orderWatcherConfig?: OrderStateWatcherConfig;
-}
-
-export interface ZeroExPrivateNetworkConfig {
-    networkId: number;
-    gasPrice?: BigNumber;
-    exchangeContractAddress: string;
-    zrxContractAddress: string;
-    tokenRegistryContractAddress: string;
-    tokenTransferProxyContractAddress: string;
-    orderWatcherConfig?: OrderStateWatcherConfig;
-}
-
 /*
  * networkId: The id of the underlying ethereum network your provider is connected to. (1-mainnet, 3-ropsten, 4-rinkeby, 42-kovan, 50-testrpc)
  * gasPrice: Gas price to use with every transaction
@@ -224,7 +204,15 @@ export interface ZeroExPrivateNetworkConfig {
  * tokenTransferProxyContractAddress: The address of the token transfer proxy contract to use
  * orderWatcherConfig: All the configs related to the orderWatcher
  */
-export type ZeroExConfig = ZeroExPublicNetworkConfig | ZeroExPrivateNetworkConfig;
+export interface ZeroExConfig {
+    networkId: number;
+    gasPrice?: BigNumber;
+    exchangeContractAddress?: string;
+    zrxContractAddress?: string;
+    tokenRegistryContractAddress?: string;
+    tokenTransferProxyContractAddress?: string;
+    orderWatcherConfig?: OrderStateWatcherConfig;
+}
 
 export type ArtifactContractName = 'ZRX' | 'TokenTransferProxy' | 'TokenRegistry' | 'Token' | 'Exchange' | 'EtherToken';
 
diff --git a/packages/0x.js/test/token_wrapper_test.ts b/packages/0x.js/test/token_wrapper_test.ts
index 6ecad4ccf..34ebe30c2 100644
--- a/packages/0x.js/test/token_wrapper_test.ts
+++ b/packages/0x.js/test/token_wrapper_test.ts
@@ -15,7 +15,6 @@ import {
     TransferContractEventArgs,
     ZeroEx,
     ZeroExError,
-    ZeroExPublicNetworkConfig,
 } from '../src';
 import { DoneCallback } from '../src/types';
 
diff --git a/packages/0x.js/test/utils/constants.ts b/packages/0x.js/test/utils/constants.ts
index bd7841feb..cf030259c 100644
--- a/packages/0x.js/test/utils/constants.ts
+++ b/packages/0x.js/test/utils/constants.ts
@@ -1,8 +1,8 @@
 export const constants = {
     NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
-    ROPSTEN_NETWORK_ID: 3 as 3,
-    KOVAN_NETWORK_ID: 42 as 42,
-    TESTRPC_NETWORK_ID: 50 as 50,
+    ROPSTEN_NETWORK_ID: 3,
+    KOVAN_NETWORK_ID: 42,
+    TESTRPC_NETWORK_ID: 50,
     KOVAN_RPC_URL: 'https://kovan.infura.io/',
     ROPSTEN_RPC_URL: 'https://ropsten.infura.io/',
     ZRX_DECIMALS: 18,