restore CI builds

packages/subproviders/src/globals.d.ts

@@ -21,6 +21,4 @@ declare module 'web3-provider-engine/subproviders/fixture' {
         ): void;
     }
     export = FixtureSubprovider;
-}
-
-declare module 'trezor-connect';
+}

packages/subproviders/src/index.ts

@@ -47,6 +47,7 @@ export {
     OnNextCompleted,
     MnemonicWalletSubproviderConfigs,
     LedgerGetAddressResult,
+    TrezorSubproviderConfig,
 } from './types';
 
 export { ECSignature, EIP712Object, EIP712ObjectValue, EIP712TypedData, EIP712Types, EIP712Parameter } from '@0x/types';

packages/subproviders/src/types.ts

@@ -1,9 +1,6 @@
 import { ECSignature } from '@0x/types';
 import { JSONRPCRequestPayload } from 'ethereum-types';
 import HDNode = require('hdkey');
-
-import TrezorConnect from 'trezor-connect';
-
 export interface LedgerCommunicationClient {
     close: () => Promise<void>;
 }
@@ -140,7 +137,7 @@ export interface JSONRPCRequestPayloadWithMethod extends JSONRPCRequestPayload {
 }
 
 export interface TrezorSubproviderConfig {
-    trezorConnectClientApi: typeof TrezorConnect;
+    trezorConnectClientApi: any;
 }
 
 export interface TrezorGetAddressResponsePayload {