diff --git a/packages/mrl/src/getTransferData/getMoonChainData.ts b/packages/mrl/src/getTransferData/getMoonChainData.ts
index 98c47eb1..010248ce 100644
--- a/packages/mrl/src/getTransferData/getMoonChainData.ts
+++ b/packages/mrl/src/getTransferData/getMoonChainData.ts
@@ -7,7 +7,7 @@ import type {
   MoonChainTransferData,
 } from '../mrl.interfaces';
 
-export interface GetMoonChainDataParams {
+interface GetMoonChainDataParams {
   destinationData: DestinationTransferData;
   route: MrlAssetRoute;
   sourceAddress: string;
diff --git a/packages/mrl/src/getTransferData/getSourceData.ts b/packages/mrl/src/getTransferData/getSourceData.ts
index 0b732ef9..baeae161 100644
--- a/packages/mrl/src/getTransferData/getSourceData.ts
+++ b/packages/mrl/src/getTransferData/getSourceData.ts
@@ -29,7 +29,7 @@ import {
   getMrlBuilderParams,
 } from './getTransferData.utils';
 
-export interface GetSourceDataParams {
+interface GetSourceDataParams {
   route: MrlAssetRoute;
   destinationAddress: string;
   destinationFee: AssetAmount;
@@ -142,7 +142,7 @@ export async function getSourceData({
   };
 }
 
-export interface GetFeeParams {
+interface GetFeeParams {
   balance: AssetAmount;
   chain: AnyChain;
   destinationFee: AssetAmount;
@@ -152,18 +152,18 @@ export interface GetFeeParams {
   transfer: ContractConfig | ExtrinsicConfig | WormholeConfig;
 }
 
-export interface GetRelayFeeParams extends BuildTransferParams {
+interface GetRelayFeeParams extends BuildTransferParams {
   chain: AnyChain;
   transfer: ContractConfig | ExtrinsicConfig | WormholeConfig;
 }
 
-export interface GetWormholeFeeParams {
+interface GetWormholeFeeParams {
   asset: AssetAmount;
   chain: AnyChain;
   config: ContractConfig | ExtrinsicConfig | WormholeConfig;
 }
 
-export async function getFee({
+async function getFee({
   balance,
   feeBalance,
   chain,
@@ -200,7 +200,7 @@ export async function getFee({
   });
 }
 
-export async function getRelayerFee({
+async function getRelayerFee({
   asset,
   chain,
   destinationAddress,
@@ -250,14 +250,14 @@ async function getWormholeFee({
   return;
 }
 
-export interface GetMoonChainFeeBalanceParams {
+interface GetMoonChainFeeBalanceParams {
   balance: AssetAmount;
   feeBalance: AssetAmount;
   route: MrlAssetRoute;
   sourceAddress: string;
 }
 
-export async function getMoonChainFeeBalance({
+async function getMoonChainFeeBalance({
   balance,
   feeBalance,
   route,
diff --git a/packages/mrl/src/getTransferData/getTransferData.utils.ts b/packages/mrl/src/getTransferData/getTransferData.utils.ts
index a1716291..9de9f961 100644
--- a/packages/mrl/src/getTransferData/getTransferData.utils.ts
+++ b/packages/mrl/src/getTransferData/getTransferData.utils.ts
@@ -168,7 +168,7 @@ export async function getMrlBuilderParams({
   };
 }
 
-export async function getTransact(params: MrlBuilderParams): Promise<Transact> {
+async function getTransact(params: MrlBuilderParams): Promise<Transact> {
   const { sourceAddress, source, moonChain } = params;
   const polkadot = await PolkadotService.create(moonChain);
   const moonGasLimit = await getMoonGasLimit(params);
diff --git a/packages/mrl/src/index.ts b/packages/mrl/src/index.ts
index a5b48e19..d4eb4a1e 100644
--- a/packages/mrl/src/index.ts
+++ b/packages/mrl/src/index.ts
@@ -1 +1,2 @@
 export * from './mrl';
+export * from './mrl.interfaces';