diff --git a/src/ContractInteractor.ts b/src/ContractInteractor.ts
index dc503e7..bbd51a0 100644
--- a/src/ContractInteractor.ts
+++ b/src/ContractInteractor.ts
@@ -763,7 +763,6 @@ export default class ContractInteractor {
     async walletFactoryDeployEstimateGasForInternalCall(
         request: DeployRequest,
         factory: string,
-        domainHash: string,
         suffixData: string,
         signature: string,
         testCall = false
@@ -772,7 +771,6 @@ export default class ContractInteractor {
 
         const method = pFactory.contract.methods.relayedUserSmartWalletCreation(
             request.request,
-            domainHash,
             suffixData,
             signature
         );
diff --git a/src/EIP712/RelayData.ts b/src/EIP712/RelayData.ts
index 00c6471..cfc2d61 100644
--- a/src/EIP712/RelayData.ts
+++ b/src/EIP712/RelayData.ts
@@ -1,8 +1,5 @@
-import { PrefixedHexString } from 'ethereumjs-tx';
-
 export default interface RelayData {
     gasPrice: string;
-    domainSeparator: PrefixedHexString;
     relayWorker: string;
     callForwarder: string;
     callVerifier: string;
diff --git a/src/EIP712/TypedRequestData.ts b/src/EIP712/TypedRequestData.ts
index 3d84136..dac34e6 100644
--- a/src/EIP712/TypedRequestData.ts
+++ b/src/EIP712/TypedRequestData.ts
@@ -24,7 +24,6 @@ export const EIP712DomainType = [
 
 const RelayDataType = [
     { name: 'gasPrice', type: 'uint256' },
-    { name: 'domainSeparator', type: 'bytes32' },
     { name: 'relayWorker', type: 'address' },
     { name: 'callForwarder', type: 'address' },
     { name: 'callVerifier', type: 'address' }
@@ -163,5 +162,5 @@ export const DEPLOY_PARAMS =
 export const RequestType = {
     typeName: 'RelayRequest',
     typeSuffix:
-        'RelayData relayData)RelayData(uint256 gasPrice,bytes32 domainSeparator,address relayWorker,address callForwarder,address callVerifier)'
+        'RelayData relayData)RelayData(uint256 gasPrice,address relayWorker,address callForwarder,address callVerifier)'
 };
diff --git a/src/types/RelayTransactionRequest.ts b/src/types/RelayTransactionRequest.ts
index 4face90..9772746 100644
--- a/src/types/RelayTransactionRequest.ts
+++ b/src/types/RelayTransactionRequest.ts
@@ -34,7 +34,6 @@ export const DeployTransactionRequestShape = {
         },
         relayData: {
             gasPrice: ow.string,
-            domainSeparator: ow.string,
             relayWorker: ow.string,
             callForwarder: ow.string,
             callVerifier: ow.string
@@ -63,7 +62,6 @@ export const RelayTransactionRequestShape = {
         },
         relayData: {
             gasPrice: ow.string,
-            domainSeparator: ow.string,
             relayWorker: ow.string,
             callForwarder: ow.string,
             callVerifier: ow.string