diff --git a/mm2src/coins/eth/eth_swap_v2/eth_maker_swap_v2.rs b/mm2src/coins/eth/eth_swap_v2/eth_maker_swap_v2.rs
index b8aa3aaf71..164db7b8a4 100644
--- a/mm2src/coins/eth/eth_swap_v2/eth_maker_swap_v2.rs
+++ b/mm2src/coins/eth/eth_swap_v2/eth_maker_swap_v2.rs
@@ -43,16 +43,24 @@ struct MakerValidationArgs<'a> {
     payment_time_lock: u64,
 }
 
-struct MakerRefundArgs {
+struct MakerRefundTimelockArgs {
     payment_amount: U256,
     taker_address: Address,
-    taker_secret: [u8; 32],
     taker_secret_hash: [u8; 32],
     maker_secret_hash: [u8; 32],
     payment_time_lock: u64,
     token_address: Address,
 }
 
+struct MakerRefundSecretArgs {
+    payment_amount: U256,
+    taker_address: Address,
+    taker_secret: [u8; 32],
+    maker_secret_hash: [u8; 32],
+    payment_time_lock: u64,
+    token_address: Address,
+}
+
 impl EthCoin {
     pub(crate) async fn send_maker_payment_v2_impl(
         &self,
@@ -216,10 +224,9 @@ impl EthCoin {
         };
         let args = {
             let taker_address = public_to_address(&Public::from_slice(args.taker_pub));
-            MakerRefundArgs {
+            MakerRefundTimelockArgs {
                 payment_amount,
                 taker_address,
-                taker_secret: [0u8; 32],
                 taker_secret_hash: try_tx_s!(taker_secret_hash.try_into()),
                 maker_secret_hash: try_tx_s!(maker_secret_hash.try_into()),
                 payment_time_lock: args.time_lock,
@@ -261,11 +268,10 @@ impl EthCoin {
         let payment_amount = try_tx_s!(wei_from_big_decimal(&args.amount, self.decimals));
         let args = {
             let taker_address = public_to_address(args.taker_pub);
-            MakerRefundArgs {
+            MakerRefundSecretArgs {
                 payment_amount,
                 taker_address,
                 taker_secret,
-                taker_secret_hash: [0u8; 32],
                 maker_secret_hash,
                 payment_time_lock: args.time_lock,
                 token_address,
@@ -348,7 +354,7 @@ impl EthCoin {
     /// Prepares data for EtomicSwapMakerV2 contract [refundMakerPaymentTimelock](https://github.com/KomodoPlatform/etomic-swap/blob/5e15641cbf41766cd5b37b4d71842c270773f788/contracts/EtomicSwapMakerV2.sol#L144) method
     async fn prepare_refund_maker_payment_timelock_data(
         &self,
-        args: MakerRefundArgs,
+        args: MakerRefundTimelockArgs,
     ) -> Result<Vec<u8>, PrepareTxDataError> {
         let function = MAKER_SWAP_V2.function("refundMakerPaymentTimelock")?;
         let id = self.etomic_swap_id_v2(args.payment_time_lock, &args.maker_secret_hash);
@@ -366,7 +372,7 @@ impl EthCoin {
     /// Prepares data for EtomicSwapMakerV2 contract [refundMakerPaymentSecret](https://github.com/KomodoPlatform/etomic-swap/blob/5e15641cbf41766cd5b37b4d71842c270773f788/contracts/EtomicSwapMakerV2.sol#L190) method
     async fn prepare_refund_maker_payment_secret_data(
         &self,
-        args: MakerRefundArgs,
+        args: MakerRefundSecretArgs,
     ) -> Result<Vec<u8>, PrepareTxDataError> {
         let function = MAKER_SWAP_V2.function("refundMakerPaymentSecret")?;
         let id = self.etomic_swap_id_v2(args.payment_time_lock, &args.maker_secret_hash);
diff --git a/mm2src/coins/eth/eth_swap_v2/eth_taker_swap_v2.rs b/mm2src/coins/eth/eth_swap_v2/eth_taker_swap_v2.rs
index 621d9df743..52c1a2592a 100644
--- a/mm2src/coins/eth/eth_swap_v2/eth_taker_swap_v2.rs
+++ b/mm2src/coins/eth/eth_swap_v2/eth_taker_swap_v2.rs
@@ -41,17 +41,26 @@ struct TakerFundingArgs {
     payment_time_lock: u64,
 }
 
-struct TakerRefundArgs {
+struct TakerRefundTimelockArgs {
     dex_fee: U256,
     payment_amount: U256,
     maker_address: Address,
-    taker_secret: [u8; 32],
     taker_secret_hash: [u8; 32],
     maker_secret_hash: [u8; 32],
     payment_time_lock: u64,
     token_address: Address,
 }
 
+struct TakerRefundSecretArgs {
+    dex_fee: U256,
+    payment_amount: U256,
+    maker_address: Address,
+    taker_secret: [u8; 32],
+    maker_secret_hash: [u8; 32],
+    payment_time_lock: u64,
+    token_address: Address,
+}
+
 struct TakerValidationArgs<'a> {
     swap_id: Vec<u8>,
     amount: U256,
@@ -291,11 +300,10 @@ impl EthCoin {
             },
         };
 
-        let args = TakerRefundArgs {
+        let args = TakerRefundTimelockArgs {
             dex_fee,
             payment_amount,
             maker_address,
-            taker_secret: [0u8; 32],
             taker_secret_hash: try_tx_s!(taker_secret_hash.try_into()),
             maker_secret_hash: try_tx_s!(maker_secret_hash.try_into()),
             payment_time_lock: args.time_lock,
@@ -343,12 +351,11 @@ impl EthCoin {
         ));
         let maker_address = public_to_address(args.maker_pubkey);
 
-        let refund_args = TakerRefundArgs {
+        let refund_args = TakerRefundSecretArgs {
             dex_fee,
             payment_amount,
             maker_address,
             taker_secret,
-            taker_secret_hash: [0u8; 32],
             maker_secret_hash,
             payment_time_lock: args.payment_time_lock,
             token_address,
@@ -511,7 +518,7 @@ impl EthCoin {
     /// Prepares data for EtomicSwapTakerV2 contract [refundTakerPaymentTimelock](https://github.com/KomodoPlatform/etomic-swap/blob/5e15641cbf41766cd5b37b4d71842c270773f788/contracts/EtomicSwapTakerV2.sol#L208) method
     async fn prepare_taker_refund_payment_timelock_data(
         &self,
-        args: TakerRefundArgs,
+        args: TakerRefundTimelockArgs,
     ) -> Result<Vec<u8>, PrepareTxDataError> {
         let function = TAKER_SWAP_V2.function("refundTakerPaymentTimelock")?;
         let id = self.etomic_swap_id_v2(args.payment_time_lock, &args.maker_secret_hash);
@@ -530,7 +537,7 @@ impl EthCoin {
     /// Prepares data for EtomicSwapTakerV2 contract [refundTakerPaymentSecret](https://github.com/KomodoPlatform/etomic-swap/blob/5e15641cbf41766cd5b37b4d71842c270773f788/contracts/EtomicSwapTakerV2.sol#L267) method
     async fn prepare_taker_refund_payment_secret_data(
         &self,
-        args: &TakerRefundArgs,
+        args: &TakerRefundSecretArgs,
     ) -> Result<Vec<u8>, PrepareTxDataError> {
         let function = TAKER_SWAP_V2.function("refundTakerPaymentSecret")?;
         let id = self.etomic_swap_id_v2(args.payment_time_lock, &args.maker_secret_hash);