1 files changed, 0 insertions, 36 deletions
diff --git a/packages/migrations/src/types.ts b/packages/migrations/src/types.ts
index 7347f27fe..65f685797 100644
--- a/packages/migrations/src/types.ts
+++ b/packages/migrations/src/types.ts
@@ -1,4 +1,3 @@
-import { ECSignature } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 
 export interface ERC20Token {
@@ -28,38 +27,3 @@ export enum ContractName {
     EtherDelta = 'EtherDelta',
     Arbitrage = 'Arbitrage',
 }
-
-export interface LedgerCommunicationClient {
-    close: () => Promise<void>;
-}
-
-export interface LedgerGetAddressResult {
-    address: string;
-    publicKey: string;
-    chainCode: string;
-}
-
-export interface ECSignatureString {
-    v: string;
-    r: string;
-    s: string;
-}
-
-export interface LedgerGetAddressResult {
-    address: string;
-    publicKey: string;
-    chainCode: string;
-}
-
-export interface LedgerEthereumClient {
-    // shouldGetChainCode is defined as `true` instead of `boolean` because other types rely on the assumption
-    // that we get back the chain code and we don't have dependent types to express it properly
-    getAddress: (
-        derivationPath: string,
-        askForDeviceConfirmation: boolean,
-        shouldGetChainCode: true,
-    ) => Promise<LedgerGetAddressResult>;
-    signTransaction: (derivationPath: string, rawTxHex: string) => Promise<ECSignatureString>;
-    signPersonalMessage: (derivationPath: string, messageHex: string) => Promise<ECSignature>;
-    transport: LedgerCommunicationClient;
-}