diff --git a/app/scripts/lib/tx-utils.js b/app/scripts/lib/tx-utils.js
index 5af078dc4..618f69e1c 100644
--- a/app/scripts/lib/tx-utils.js
+++ b/app/scripts/lib/tx-utils.js
@@ -1,5 +1,4 @@
 const EthQuery = require('ethjs-query')
-const Transaction = require('ethereumjs-tx')
 const normalize = require('eth-sig-util').normalize
 const {
   hexToBn,
@@ -78,22 +77,6 @@ module.exports = class txProvideUtil {
     return bnToHex(upperGasLimitBn)
   }
 
-  // builds ethTx from txParams object
-  buildEthTxFromParams (txParams) {
-    // normalize values
-    txParams.to = normalize(txParams.to)
-    txParams.from = normalize(txParams.from)
-    txParams.value = normalize(txParams.value)
-    txParams.data = normalize(txParams.data)
-    txParams.gas = normalize(txParams.gas || txParams.gasLimit)
-    txParams.gasPrice = normalize(txParams.gasPrice)
-    txParams.nonce = normalize(txParams.nonce)
-    // build ethTx
-    log.info(`Prepared tx for signing: ${JSON.stringify(txParams)}`)
-    const ethTx = new Transaction(txParams)
-    return ethTx
-  }
-
   async publishTransaction (rawTx) {
     return await this.query.sendRawTransaction(rawTx)
   }
diff --git a/test/unit/tx-utils-test.js b/test/unit/tx-utils-test.js
index 43128b977..dcfb9fb3d 100644
--- a/test/unit/tx-utils-test.js
+++ b/test/unit/tx-utils-test.js
@@ -1,6 +1,8 @@
 const assert = require('assert')
+const Transaction = require('ethereumjs-tx')
 const BN = require('bn.js')
 
+
 const { hexToBn, bnToHex } = require('../../app/scripts/lib/util')
 const TxUtils = require('../../app/scripts/lib/tx-utils')
 
@@ -28,7 +30,7 @@ describe('txUtils', function () {
         nonce: '0x3',
         chainId: 42,
       }
-      const ethTx = txUtils.buildEthTxFromParams(txParams)
+      const ethTx = new Transaction(txParams)
       assert.equal(ethTx.getChainId(), 42, 'chainId is set from tx params')
     })
   })