--- a/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
@@ -38,19 +38,19 @@
 
 /// @dev the ERC-165 identifier for this interface is 0xe17a7d2b
 contract ERC20UniqueExtensions is Dummy, ERC165 {
-	// /// @dev Function that burns an amount of the token of a given account,
-	// /// deducting from the sender's allowance for said account.
-	// /// @param from The account whose tokens will be burnt.
-	// /// @param amount The amount that will be burnt.
-	// /// @dev EVM selector for this function is: 0x79cc6790,
-	// ///  or in textual repr: burnFrom(address,uint256)
-	// function burnFrom(address from, uint256 amount) public returns (bool) {
-	// 	require(false, stub_error);
-	// 	from;
-	// 	amount;
-	// 	dummy = 0;
-	// 	return false;
-	// }
+	/// @dev Function that burns an amount of the token of a given account,
+	/// deducting from the sender's allowance for said account.
+	/// @param from The account whose tokens will be burnt.
+	/// @param amount The amount that will be burnt.
+	/// @dev EVM selector for this function is: 0x79cc6790,
+	///  or in textual repr: burnFrom(address,uint256)
+	function burnFrom(address from, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		from;
+		amount;
+		dummy = 0;
+		return false;
+	}
 
 	/// @dev Function that burns an amount of the token of a given account,
 	/// deducting from the sender's allowance for said account.
--- a/tests/src/eth/abi/reFungibleToken.json
+++ b/tests/src/eth/abi/reFungibleToken.json
@@ -98,6 +98,16 @@
   },
   {
     "inputs": [
+      { "internalType": "address", "name": "from", "type": "address" },
+      { "internalType": "uint256", "name": "amount", "type": "uint256" }
+    ],
+    "name": "burnFrom",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       {
         "components": [
           { "internalType": "address", "name": "eth", "type": "address" },
--- a/tests/src/eth/abi/reFungibleTokenDeprecated.json
+++ /dev/null
@@ -1,12 +0,0 @@
-[
-  {
-    "inputs": [
-      { "internalType": "address", "name": "from", "type": "address" },
-      { "internalType": "uint256", "name": "amount", "type": "uint256" }
-    ],
-    "name": "burnFrom",
-    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  }
-]
--- a/tests/src/eth/api/UniqueRefungibleToken.sol
+++ b/tests/src/eth/api/UniqueRefungibleToken.sol
@@ -25,13 +25,13 @@
 
 /// @dev the ERC-165 identifier for this interface is 0xe17a7d2b
 interface ERC20UniqueExtensions is Dummy, ERC165 {
-	// /// @dev Function that burns an amount of the token of a given account,
-	// /// deducting from the sender's allowance for said account.
-	// /// @param from The account whose tokens will be burnt.
-	// /// @param amount The amount that will be burnt.
-	// /// @dev EVM selector for this function is: 0x79cc6790,
-	// ///  or in textual repr: burnFrom(address,uint256)
-	// function burnFrom(address from, uint256 amount) external returns (bool);
+	/// @dev Function that burns an amount of the token of a given account,
+	/// deducting from the sender's allowance for said account.
+	/// @param from The account whose tokens will be burnt.
+	/// @param amount The amount that will be burnt.
+	/// @dev EVM selector for this function is: 0x79cc6790,
+	///  or in textual repr: burnFrom(address,uint256)
+	function burnFrom(address from, uint256 amount) external returns (bool);
 
 	/// @dev Function that burns an amount of the token of a given account,
 	/// deducting from the sender's allowance for said account.
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -74,7 +74,7 @@
 
     const result = await contract.methods.mint(caller).send();
     const tokenId = result.events.Transfer.returnValues.tokenId;
-    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller, true);
+    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller);
 
     await tokenContract.methods.repartition(2).send();
     await tokenContract.methods.transfer(receiver, 1).send();
@@ -316,7 +316,7 @@
     const address = helper.ethAddress.fromCollectionId(collection.collectionId);
     const contract = await helper.ethNativeContract.collection(address, 'rft');
 
-    const rftToken = await helper.ethNativeContract.rftTokenById(token.collectionId, token.tokenId, owner, true);
+    const rftToken = await helper.ethNativeContract.rftTokenById(token.collectionId, token.tokenId, owner);
 
     {
       await rftToken.methods.approve(operator, 15n).send({from: owner});
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -458,7 +458,7 @@
     const result = await contract.methods.mint(caller).send();
     const tokenId = result.events.Transfer.returnValues.tokenId;
     const tokenAddress = helper.ethAddress.fromTokenId(collectionId, tokenId);
-    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, caller, true);
+    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, caller);
 
     await tokenContract.methods.repartition(2).send();
     await tokenContract.methods.transfer(receiver, 1).send();
--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -29,7 +29,6 @@
 import refungibleAbi from '../../abi/reFungible.json';
 import refungibleDeprecatedAbi from '../../abi/reFungibleDeprecated.json';
 import refungibleTokenAbi from '../../abi/reFungibleToken.json';
-import refungibleTokenDeprecatedAbi from '../../abi/reFungibleTokenDeprecated.json';
 import contractHelpersAbi from '../../abi/contractHelpers.json';
 import {ICrossAccountId, TEthereumAccount} from '../../../util/playgrounds/types';
 import {TCollectionMode} from '../../../util/playgrounds/types';
@@ -188,18 +187,17 @@
     return this.collection(this.helper.ethAddress.fromCollectionId(collectionId), mode, caller, mergeDeprecated);
   }
 
-  async rftToken(address: string, caller?: string, mergeDeprecated = false) {
+  async rftToken(address: string, caller?: string) {
     const web3 = this.helper.getWeb3();
-    let abi = mergeDeprecated ? [...refungibleTokenAbi, ...refungibleTokenDeprecatedAbi] : refungibleTokenAbi;
-    return unlimitedMoneyHack(new web3.eth.Contract(abi as any, address, {
+    return unlimitedMoneyHack(new web3.eth.Contract(refungibleTokenAbi as any, address, {
       gas: this.helper.eth.DEFAULT_GAS,
       gasPrice: await this.getGasPrice(),
       ...(caller ? {from: caller} : {}),
     }));
   }
 
-  rftTokenById(collectionId: number, tokenId: number, caller?: string, mergeDeprecated = false) {
-    return this.rftToken(this.helper.ethAddress.fromTokenId(collectionId, tokenId), caller, true);
+  rftTokenById(collectionId: number, tokenId: number, caller?: string) {
+    return this.rftToken(this.helper.ethAddress.fromTokenId(collectionId, tokenId), caller);
   }
 }