diff --git a/src/config/index.ts b/src/config/index.ts
index 92858af0..80e00160 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,5 +1,5 @@
 import networks from 'src/config/networks'
-import { EnvironmentSettings, ETHEREUM_NETWORK, NetworkSettings, SafeFeatures, Wallets } from 'src/config/networks/network.d'
+import { EnvironmentSettings, ETHEREUM_NETWORK, NetworkSettings, SafeFeatures, Wallets, GasPriceOracle } from 'src/config/networks/network.d'
 import { APP_ENV, ETHERSCAN_API_KEY, GOOGLE_ANALYTICS_ID, INFURA_TOKEN, NETWORK, NODE_ENV } from 'src/utils/constants'
 import { ensureOnce } from 'src/utils/singleton'
 import memoize from 'lodash.memoize'
@@ -63,6 +63,10 @@ export const getRelayUrl = (): string | undefined => getConfig()?.relayApiUrl
 
 export const getGnosisSafeAppsUrl = (): string => getConfig()?.safeAppsUrl
 
+export const getGasPrice = (): number | undefined => getConfig()?.gasPrice
+
+export const getGasPriceOracle = (): GasPriceOracle | undefined => getConfig()?.gasPriceOracle
+
 export const getRpcServiceUrl = (): string => {
   const usesInfuraRPC = [ETHEREUM_NETWORK.MAINNET, ETHEREUM_NETWORK.RINKEBY].includes(getNetworkId())
 
diff --git a/src/config/networks/local.ts b/src/config/networks/local.ts
index cdf9dfa8..bbb7d15b 100644
--- a/src/config/networks/local.ts
+++ b/src/config/networks/local.ts
@@ -5,7 +5,10 @@ const baseConfig: EnvironmentSettings = {
   txServiceUrl: 'http://localhost:8000/api/v1',
   relayApiUrl: 'https://safe-relay.staging.gnosisdev.com/api/v1',
   safeAppsUrl: 'http://localhost:3002',
-  gasPriceOracleUrl: 'https://ethgasstation.info/json/ethgasAPI.json',
+  gasPriceOracle: {
+    url: 'https://ethgasstation.info/json/ethgasAPI.json',
+    gasParameter: 'average',
+  },
   rpcServiceUrl: 'http://localhost:4447',
   networkExplorerName: 'Etherscan',
   networkExplorerUrl: 'https://rinkeby.etherscan.io',
diff --git a/src/config/networks/mainnet.ts b/src/config/networks/mainnet.ts
index 0f69b371..0a7ca3a4 100644
--- a/src/config/networks/mainnet.ts
+++ b/src/config/networks/mainnet.ts
@@ -4,7 +4,10 @@ import { EnvironmentSettings, ETHEREUM_NETWORK, NetworkConfig } from 'src/config
 const baseConfig: EnvironmentSettings = {
   txServiceUrl: 'https://safe-transaction.mainnet.staging.gnosisdev.com/api/v1',
   safeAppsUrl: 'https://safe-apps.dev.gnosisdev.com',
-  gasPriceOracleUrl: 'https://ethgasstation.info/json/ethgasAPI.json',
+  gasPriceOracle: {
+    url: 'https://ethgasstation.info/json/ethgasAPI.json',
+    gasParameter: 'average',
+  },
   rpcServiceUrl: 'https://mainnet.infura.io:443/v3',
   networkExplorerName: 'Etherscan',
   networkExplorerUrl: 'https://etherscan.io',
diff --git a/src/config/networks/network.d.ts b/src/config/networks/network.d.ts
index c3b0c898..b6aa270d 100644
--- a/src/config/networks/network.d.ts
+++ b/src/config/networks/network.d.ts
@@ -64,14 +64,20 @@ export type SafeFeatures = FEATURES[]
 
 export type Wallets = WALLETS[]
 
+export type GasPriceOracle = {
+  url: string
+  // Different gas api providers can use a different name to reflect different gas levels based on tx speed
+  // For example in ethGasStation for ETHEREUM_MAINNET = safeLow | average | fast
+  gasParameter: string
+}
 
 type GasPrice = {
   gasPrice: number
-  gasPriceOracleUrl?: string
+  gasPriceOracle?: GasPriceOracle
 } | {
   gasPrice?: number
   // for infura there's a REST API Token required stored in: `REACT_APP_INFURA_TOKEN`
-  gasPriceOracleUrl: string
+  gasPriceOracle: GasPriceOracle
 }
 
 export type EnvironmentSettings = GasPrice & {
diff --git a/src/config/networks/rinkeby.ts b/src/config/networks/rinkeby.ts
index aa2f2e3b..722e8751 100644
--- a/src/config/networks/rinkeby.ts
+++ b/src/config/networks/rinkeby.ts
@@ -4,7 +4,10 @@ import { EnvironmentSettings, ETHEREUM_NETWORK, NetworkConfig } from 'src/config
 const baseConfig: EnvironmentSettings = {
   txServiceUrl: 'https://safe-transaction.staging.gnosisdev.com/api/v1',
   safeAppsUrl: 'https://safe-apps.dev.gnosisdev.com',
-  gasPriceOracleUrl: 'https://ethgasstation.info/json/ethgasAPI.json',
+  gasPriceOracle: {
+    url: 'https://ethgasstation.info/json/ethgasAPI.json',
+    gasParameter: 'average',
+  },
   rpcServiceUrl: 'https://rinkeby.infura.io:443/v3',
   networkExplorerName: 'Etherscan',
   networkExplorerUrl: 'https://rinkeby.etherscan.io',
diff --git a/src/logic/safe/api/estimateTxGas.ts b/src/logic/safe/api/estimateTxGas.ts
deleted file mode 100644
index 23a1263b..00000000
--- a/src/logic/safe/api/estimateTxGas.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import axios from 'axios'
-
-import { getRelayUrl } from 'src/config/index'
-
-export const estimateTxGas = (safeAddress, to, value, data, operation = 0) => {
-  const apiUrl = getRelayUrl()
-  const url = `${apiUrl}/safes/${safeAddress}/transactions/estimate/`
-  // const estimationValue = isTokenTransfer(tx.data) ? '0' : value.toString(10)
-
-  return axios.post(url, {
-    safe: safeAddress,
-    to,
-    data: '0x',
-    value,
-    operation,
-  })
-}
diff --git a/src/logic/safe/api/index.ts b/src/logic/safe/api/index.ts
deleted file mode 100644
index 2a053635..00000000
--- a/src/logic/safe/api/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './estimateTxGas'
diff --git a/src/logic/safe/store/actions/createTransaction.ts b/src/logic/safe/store/actions/createTransaction.ts
index 43b40d42..44bb4f89 100644
--- a/src/logic/safe/store/actions/createTransaction.ts
+++ b/src/logic/safe/store/actions/createTransaction.ts
@@ -16,7 +16,7 @@ import {
   saveTxToHistory,
   tryOffchainSigning,
 } from 'src/logic/safe/transactions'
-import { estimateSafeTxGas } from 'src/logic/safe/transactions/gasNew'
+import { estimateSafeTxGas } from 'src/logic/safe/transactions/gas'
 import { getCurrentSafeVersion } from 'src/logic/safe/utils/safeVersion'
 import { ZERO_ADDRESS } from 'src/logic/wallets/ethAddresses'
 import { EMPTY_DATA } from 'src/logic/wallets/ethTransactions'
diff --git a/src/logic/safe/transactions/gas.ts b/src/logic/safe/transactions/gas.ts
index abf89e4b..91015c62 100644
--- a/src/logic/safe/transactions/gas.ts
+++ b/src/logic/safe/transactions/gas.ts
@@ -1,36 +1,168 @@
-import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
+import GnosisSafeSol from '@gnosis.pm/safe-contracts/build/contracts/GnosisSafe.json'
+import { BigNumber } from 'bignumber.js'
+import { AbiItem } from 'web3-utils'
 
-export const calculateTxFee = async (safe, safeAddress, from, data, to, valueInWei, operation) => {
+import { CALL } from '.'
+
+import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
+import { generateSignaturesFromTxConfirmations } from 'src/logic/safe/safeTxSigner'
+import { Transaction } from 'src/logic/safe/store/models/types/transaction'
+import { ZERO_ADDRESS } from 'src/logic/wallets/ethAddresses'
+import { EMPTY_DATA, calculateGasOf, calculateGasPrice } from 'src/logic/wallets/ethTransactions'
+import { getAccountFrom, getWeb3 } from 'src/logic/wallets/getWeb3'
+import { GnosisSafe } from 'src/types/contracts/GnosisSafe.d'
+
+const estimateDataGasCosts = (data: string): number => {
+  const reducer = (accumulator, currentValue) => {
+    if (currentValue === EMPTY_DATA) {
+      return accumulator + 0
+    }
+
+    if (currentValue === '00') {
+      return accumulator + 4
+    }
+
+    return accumulator + 16
+  }
+
+  return data.match(/.{2}/g)?.reduce(reducer, 0)
+}
+
+export const estimateTxGasCosts = async (
+  safeAddress: string,
+  to: string,
+  data: string,
+  tx?: Transaction,
+  preApprovingOwner?: string,
+): Promise<number> => {
+  try {
+    const web3 = getWeb3()
+    const from = await getAccountFrom(web3)
+
+    if (!from) {
+      return 0
+    }
+
+    const safeInstance = (new web3.eth.Contract(GnosisSafeSol.abi as AbiItem[], safeAddress) as unknown) as GnosisSafe
+    const nonce = await safeInstance.methods.nonce().call()
+    const threshold = await safeInstance.methods.getThreshold().call()
+    const isExecution = tx?.confirmations.size === Number(threshold) || !!preApprovingOwner || threshold === '1'
+
+    let txData
+    if (isExecution) {
+      // https://docs.gnosis.io/safe/docs/docs5/#pre-validated-signatures
+      const signatures = tx?.confirmations
+        ? generateSignaturesFromTxConfirmations(tx.confirmations, preApprovingOwner)
+        : `0x000000000000000000000000${from.replace(
+            '0x',
+            '',
+          )}000000000000000000000000000000000000000000000000000000000000000001`
+      txData = await safeInstance.methods
+        .execTransaction(
+          to,
+          tx?.value || 0,
+          data,
+          CALL,
+          tx?.safeTxGas || 0,
+          0,
+          0,
+          ZERO_ADDRESS,
+          ZERO_ADDRESS,
+          signatures,
+        )
+        .encodeABI()
+    } else {
+      const txHash = await safeInstance.methods
+        .getTransactionHash(to, tx?.value || 0, data, CALL, 0, 0, 0, ZERO_ADDRESS, ZERO_ADDRESS, nonce)
+        .call({
+          from,
+        })
+      txData = await safeInstance.methods.approveHash(txHash).encodeABI()
+    }
+
+    const gas = await calculateGasOf(txData, from, safeAddress)
+    const gasPrice = await calculateGasPrice()
+
+    return gas * parseInt(gasPrice, 10)
+  } catch (err) {
+    console.error('Error while estimating transaction execution gas costs:')
+    console.error(err)
+
+    return 10000
+  }
+}
+
+export const estimateSafeTxGas = async (
+  safe: GnosisSafe | undefined,
+  safeAddress: string,
+  data: string,
+  to: string,
+  valueInWei: string,
+  operation: number,
+): Promise<number> => {
   try {
     let safeInstance = safe
     if (!safeInstance) {
       safeInstance = await getGnosisSafeInstanceAt(safeAddress)
     }
 
-    // https://docs.gnosis.io/safe/docs/docs5/#pre-validated-signatures
-    const sigs = `0x000000000000000000000000${from.replace(
-      '0x',
-      '',
-    )}000000000000000000000000000000000000000000000000000000000000000001`
+    const web3 = await getWeb3()
+    const estimateData = safeInstance.methods.requiredTxGas(to, valueInWei, data, operation).encodeABI()
+    const estimateResponse = await web3.eth.call({
+      to: safeAddress,
+      from: safeAddress,
+      data: estimateData,
+    })
+    const txGasEstimation = new BigNumber(estimateResponse.substring(138), 16).toNumber() + 10000
 
-    // we get gas limit from this call, then it needs to be multiplied by the gas price
-    // https://safe-relay.gnosis.pm/api/v1/gas-station/
-    // https://safe-relay.rinkeby.gnosis.pm/api/v1/about/
-    const estimate = await safeInstance.execTransaction.estimateGas(
-      to,
-      valueInWei,
-      data,
-      operation,
-      0,
-      0,
-      0,
-      '0x0000000000000000000000000000000000000000',
-      '0x0000000000000000000000000000000000000000',
-      sigs,
-      { from: '0xbc2BB26a6d821e69A38016f3858561a1D80d4182' },
+    // 21000 - additional gas costs (e.g. base tx costs, transfer costs)
+    const dataGasEstimation = estimateDataGasCosts(estimateData) + 21000
+    const additionalGasBatches = [10000, 20000, 40000, 80000, 160000, 320000, 640000, 1280000, 2560000, 5120000]
+
+    const batch = new web3.BatchRequest()
+    const estimationRequests = additionalGasBatches.map(
+      (additionalGas) =>
+        new Promise((resolve) => {
+          // there are no type definitions for .request, so for now ts-ignore is there
+          // Issue link: https://github.com/ethereum/web3.js/issues/3144
+          // eslint-disable-next-line
+          // @ts-ignore
+          const request = web3.eth.call.request(
+            {
+              to: safeAddress,
+              from: safeAddress,
+              data: estimateData,
+              gasPrice: 0,
+              gasLimit: txGasEstimation + dataGasEstimation + additionalGas,
+            },
+            (error, res) => {
+              // res.data check is for OpenEthereum/Parity revert messages format
+              const isOpenEthereumRevertMsg = res && typeof res.data === 'string'
+
+              const isEstimationSuccessful =
+                !error &&
+                ((typeof res === 'string' && res !== '0x') || (isOpenEthereumRevertMsg && res.data.slice(9) !== '0x'))
+
+              resolve({
+                success: isEstimationSuccessful,
+                estimation: txGasEstimation + additionalGas,
+              })
+            },
+          )
+
+          batch.add(request)
+        }),
     )
+    batch.execute()
 
-    return estimate
+    const estimationResponses = await Promise.all(estimationRequests)
+    const firstSuccessfulRequest: any = estimationResponses.find((res: any) => res.success)
+
+    if (firstSuccessfulRequest) {
+      return firstSuccessfulRequest.estimation
+    }
+
+    return 0
   } catch (error) {
     console.error('Error calculating tx gas estimation', error)
     return 0
diff --git a/src/logic/safe/transactions/gasNew.ts b/src/logic/safe/transactions/gasNew.ts
deleted file mode 100644
index 91015c62..00000000
--- a/src/logic/safe/transactions/gasNew.ts
+++ /dev/null
@@ -1,170 +0,0 @@
-import GnosisSafeSol from '@gnosis.pm/safe-contracts/build/contracts/GnosisSafe.json'
-import { BigNumber } from 'bignumber.js'
-import { AbiItem } from 'web3-utils'
-
-import { CALL } from '.'
-
-import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
-import { generateSignaturesFromTxConfirmations } from 'src/logic/safe/safeTxSigner'
-import { Transaction } from 'src/logic/safe/store/models/types/transaction'
-import { ZERO_ADDRESS } from 'src/logic/wallets/ethAddresses'
-import { EMPTY_DATA, calculateGasOf, calculateGasPrice } from 'src/logic/wallets/ethTransactions'
-import { getAccountFrom, getWeb3 } from 'src/logic/wallets/getWeb3'
-import { GnosisSafe } from 'src/types/contracts/GnosisSafe.d'
-
-const estimateDataGasCosts = (data: string): number => {
-  const reducer = (accumulator, currentValue) => {
-    if (currentValue === EMPTY_DATA) {
-      return accumulator + 0
-    }
-
-    if (currentValue === '00') {
-      return accumulator + 4
-    }
-
-    return accumulator + 16
-  }
-
-  return data.match(/.{2}/g)?.reduce(reducer, 0)
-}
-
-export const estimateTxGasCosts = async (
-  safeAddress: string,
-  to: string,
-  data: string,
-  tx?: Transaction,
-  preApprovingOwner?: string,
-): Promise<number> => {
-  try {
-    const web3 = getWeb3()
-    const from = await getAccountFrom(web3)
-
-    if (!from) {
-      return 0
-    }
-
-    const safeInstance = (new web3.eth.Contract(GnosisSafeSol.abi as AbiItem[], safeAddress) as unknown) as GnosisSafe
-    const nonce = await safeInstance.methods.nonce().call()
-    const threshold = await safeInstance.methods.getThreshold().call()
-    const isExecution = tx?.confirmations.size === Number(threshold) || !!preApprovingOwner || threshold === '1'
-
-    let txData
-    if (isExecution) {
-      // https://docs.gnosis.io/safe/docs/docs5/#pre-validated-signatures
-      const signatures = tx?.confirmations
-        ? generateSignaturesFromTxConfirmations(tx.confirmations, preApprovingOwner)
-        : `0x000000000000000000000000${from.replace(
-            '0x',
-            '',
-          )}000000000000000000000000000000000000000000000000000000000000000001`
-      txData = await safeInstance.methods
-        .execTransaction(
-          to,
-          tx?.value || 0,
-          data,
-          CALL,
-          tx?.safeTxGas || 0,
-          0,
-          0,
-          ZERO_ADDRESS,
-          ZERO_ADDRESS,
-          signatures,
-        )
-        .encodeABI()
-    } else {
-      const txHash = await safeInstance.methods
-        .getTransactionHash(to, tx?.value || 0, data, CALL, 0, 0, 0, ZERO_ADDRESS, ZERO_ADDRESS, nonce)
-        .call({
-          from,
-        })
-      txData = await safeInstance.methods.approveHash(txHash).encodeABI()
-    }
-
-    const gas = await calculateGasOf(txData, from, safeAddress)
-    const gasPrice = await calculateGasPrice()
-
-    return gas * parseInt(gasPrice, 10)
-  } catch (err) {
-    console.error('Error while estimating transaction execution gas costs:')
-    console.error(err)
-
-    return 10000
-  }
-}
-
-export const estimateSafeTxGas = async (
-  safe: GnosisSafe | undefined,
-  safeAddress: string,
-  data: string,
-  to: string,
-  valueInWei: string,
-  operation: number,
-): Promise<number> => {
-  try {
-    let safeInstance = safe
-    if (!safeInstance) {
-      safeInstance = await getGnosisSafeInstanceAt(safeAddress)
-    }
-
-    const web3 = await getWeb3()
-    const estimateData = safeInstance.methods.requiredTxGas(to, valueInWei, data, operation).encodeABI()
-    const estimateResponse = await web3.eth.call({
-      to: safeAddress,
-      from: safeAddress,
-      data: estimateData,
-    })
-    const txGasEstimation = new BigNumber(estimateResponse.substring(138), 16).toNumber() + 10000
-
-    // 21000 - additional gas costs (e.g. base tx costs, transfer costs)
-    const dataGasEstimation = estimateDataGasCosts(estimateData) + 21000
-    const additionalGasBatches = [10000, 20000, 40000, 80000, 160000, 320000, 640000, 1280000, 2560000, 5120000]
-
-    const batch = new web3.BatchRequest()
-    const estimationRequests = additionalGasBatches.map(
-      (additionalGas) =>
-        new Promise((resolve) => {
-          // there are no type definitions for .request, so for now ts-ignore is there
-          // Issue link: https://github.com/ethereum/web3.js/issues/3144
-          // eslint-disable-next-line
-          // @ts-ignore
-          const request = web3.eth.call.request(
-            {
-              to: safeAddress,
-              from: safeAddress,
-              data: estimateData,
-              gasPrice: 0,
-              gasLimit: txGasEstimation + dataGasEstimation + additionalGas,
-            },
-            (error, res) => {
-              // res.data check is for OpenEthereum/Parity revert messages format
-              const isOpenEthereumRevertMsg = res && typeof res.data === 'string'
-
-              const isEstimationSuccessful =
-                !error &&
-                ((typeof res === 'string' && res !== '0x') || (isOpenEthereumRevertMsg && res.data.slice(9) !== '0x'))
-
-              resolve({
-                success: isEstimationSuccessful,
-                estimation: txGasEstimation + additionalGas,
-              })
-            },
-          )
-
-          batch.add(request)
-        }),
-    )
-    batch.execute()
-
-    const estimationResponses = await Promise.all(estimationRequests)
-    const firstSuccessfulRequest: any = estimationResponses.find((res: any) => res.success)
-
-    if (firstSuccessfulRequest) {
-      return firstSuccessfulRequest.estimation
-    }
-
-    return 0
-  } catch (error) {
-    console.error('Error calculating tx gas estimation', error)
-    return 0
-  }
-}
diff --git a/src/logic/safe/transactions/index.ts b/src/logic/safe/transactions/index.ts
index fe4a24b1..4a4e7148 100644
--- a/src/logic/safe/transactions/index.ts
+++ b/src/logic/safe/transactions/index.ts
@@ -1,4 +1,3 @@
-export * from './gas'
 export * from './send'
 export * from './offchainSigner'
 export * from './txHistory'
diff --git a/src/logic/wallets/ethTransactions.ts b/src/logic/wallets/ethTransactions.ts
index 745ac60a..cb5b2d14 100644
--- a/src/logic/wallets/ethTransactions.ts
+++ b/src/logic/wallets/ethTransactions.ts
@@ -2,6 +2,7 @@ import axios from 'axios'
 import { BigNumber } from 'bignumber.js'
 
 import { getWeb3, web3ReadOnly } from 'src/logic/wallets/getWeb3'
+import { getGasPrice, getGasPriceOracle } from 'src/config'
 
 // const MAINNET_NETWORK = 1
 export const EMPTY_DATA = '0x'
@@ -26,7 +27,7 @@ export const checkReceiptStatus = async (hash) => {
   return Promise.resolve()
 }
 
-export const calculateGasPrice = async () => {
+export const calculateGasPrice = async (): Promise<string> => {
   /*
   const web3 = getWeb3()
   const { network } = web3.version
@@ -41,11 +42,23 @@ export const calculateGasPrice = async () => {
     return '20000000000'
   }
 
-  const url = 'https://ethgasstation.info/json/ethgasAPI.json'
-  // const errMsg = 'Error querying gas station'
-  const { data } = await axios.get(url)
+  const gasPrice = getGasPrice()
+  const gasPriceOracle = getGasPriceOracle()
 
-  return new BigNumber(data.average).multipliedBy(1e8).toString()
+  if (gasPrice) {
+    // Fixed gas price in configuration. xDai uses this approach
+    return new BigNumber(gasPrice).toString()
+  } else if (gasPriceOracle) {
+    const { url, gasParameter } = gasPriceOracle
+
+    // Fetch from gas price provider
+    const { data } = await axios.get(url)
+
+    return new BigNumber(data[gasParameter]).multipliedBy(1e8).toString()
+  } else {
+    const errorMsg = 'gasPrice or gasPriceOracle not set in config'
+    return Promise.reject(errorMsg)
+  }
 }
 
 export const calculateGasOf = async (data, from, to) => {
diff --git a/src/routes/safe/components/Apps/components/ConfirmTransactionModal.tsx b/src/routes/safe/components/Apps/components/ConfirmTransactionModal.tsx
index 2854df76..949e5bb9 100644
--- a/src/routes/safe/components/Apps/components/ConfirmTransactionModal.tsx
+++ b/src/routes/safe/components/Apps/components/ConfirmTransactionModal.tsx
@@ -20,7 +20,7 @@ import createTransaction from 'src/logic/safe/store/actions/createTransaction'
 import { MULTI_SEND_ADDRESS } from 'src/logic/contracts/safeContracts'
 import { DELEGATE_CALL, TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
 import { encodeMultiSendCall } from 'src/logic/safe/transactions/multisend'
-import { estimateSafeTxGas } from 'src/logic/safe/transactions/gasNew'
+import { estimateSafeTxGas } from 'src/logic/safe/transactions/gas'
 
 import GasEstimationInfo from './GasEstimationInfo'
 import { getNetworkInfo } from 'src/config'
diff --git a/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/Review/index.tsx b/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/Review/index.tsx
index 350d30d7..144bf87b 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/Review/index.tsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/Review/index.tsx
@@ -14,7 +14,7 @@ import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { AbiItemExtended } from 'src/logic/contractInteraction/sources/ABIService'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 import { getEthAsToken } from 'src/logic/tokens/utils/tokenHelpers'
 import { styles } from 'src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/style'
diff --git a/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/ReviewCustomTx/index.tsx b/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/ReviewCustomTx/index.tsx
index 95273241..060a23bf 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/ReviewCustomTx/index.tsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/ContractInteraction/ReviewCustomTx/index.tsx
@@ -19,7 +19,7 @@ import Row from 'src/components/layout/Row'
 import createTransaction from 'src/logic/safe/store/actions/createTransaction'
 import { safeSelector } from 'src/logic/safe/store/selectors'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 import { getEthAsToken } from 'src/logic/tokens/utils/tokenHelpers'
 import SafeInfo from 'src/routes/safe/components/Balances/SendModal/SafeInfo'
diff --git a/src/routes/safe/components/Balances/SendModal/screens/ReviewCollectible/index.tsx b/src/routes/safe/components/Balances/SendModal/screens/ReviewCollectible/index.tsx
index 96a393bf..f118a9ed 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/ReviewCollectible/index.tsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/ReviewCollectible/index.tsx
@@ -20,7 +20,7 @@ import { nftTokensSelector } from 'src/logic/collectibles/store/selectors'
 import createTransaction from 'src/logic/safe/store/actions/createTransaction'
 import { safeSelector } from 'src/logic/safe/store/selectors'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import {
   containsMethodByHash,
   getERC721TokenContract,
diff --git a/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.tsx b/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.tsx
index 1328cdcf..6278d9af 100644
--- a/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.tsx
+++ b/src/routes/safe/components/Balances/SendModal/screens/ReviewTx/index.tsx
@@ -21,7 +21,7 @@ import Row from 'src/components/layout/Row'
 import createTransaction from 'src/logic/safe/store/actions/createTransaction'
 import { safeSelector } from 'src/logic/safe/store/selectors'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { getHumanFriendlyToken } from 'src/logic/tokens/store/actions/fetchTokens'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 import { EMPTY_DATA } from 'src/logic/wallets/ethTransactions'
diff --git a/src/routes/safe/components/Settings/ManageOwners/AddOwnerModal/screens/Review/index.tsx b/src/routes/safe/components/Settings/ManageOwners/AddOwnerModal/screens/Review/index.tsx
index b6670220..1721a983 100644
--- a/src/routes/safe/components/Settings/ManageOwners/AddOwnerModal/screens/Review/index.tsx
+++ b/src/routes/safe/components/Settings/ManageOwners/AddOwnerModal/screens/Review/index.tsx
@@ -17,7 +17,7 @@ import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
 import { safeNameSelector, safeOwnersSelector, safeParamAddressFromStateSelector } from 'src/logic/safe/store/selectors'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 
 import { styles } from './style'
diff --git a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.tsx b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.tsx
index e3df6f75..d7da610a 100644
--- a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.tsx
+++ b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.tsx
@@ -17,7 +17,7 @@ import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { getGnosisSafeInstanceAt, SENTINEL_ADDRESS } from 'src/logic/contracts/safeContracts'
 import { safeNameSelector, safeOwnersSelector, safeParamAddressFromStateSelector } from 'src/logic/safe/store/selectors'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 
 import { styles } from './style'
diff --git a/src/routes/safe/components/Settings/ManageOwners/ReplaceOwnerModal/screens/Review/index.tsx b/src/routes/safe/components/Settings/ManageOwners/ReplaceOwnerModal/screens/Review/index.tsx
index 156065bc..0611c275 100644
--- a/src/routes/safe/components/Settings/ManageOwners/ReplaceOwnerModal/screens/Review/index.tsx
+++ b/src/routes/safe/components/Settings/ManageOwners/ReplaceOwnerModal/screens/Review/index.tsx
@@ -22,7 +22,7 @@ import {
   safeParamAddressFromStateSelector,
   safeThresholdSelector,
 } from 'src/logic/safe/store/selectors'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 
 import { styles } from './style'
diff --git a/src/routes/safe/components/Settings/ThresholdSettings/ChangeThreshold/index.tsx b/src/routes/safe/components/Settings/ThresholdSettings/ChangeThreshold/index.tsx
index d941eb4f..58fb82e3 100644
--- a/src/routes/safe/components/Settings/ThresholdSettings/ChangeThreshold/index.tsx
+++ b/src/routes/safe/components/Settings/ThresholdSettings/ChangeThreshold/index.tsx
@@ -18,7 +18,7 @@ import Hairline from 'src/components/layout/Hairline'
 import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { getGnosisSafeInstanceAt } from 'src/logic/contracts/safeContracts'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 
 const THRESHOLD_FIELD_NAME = 'threshold'
diff --git a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/ApproveTxModal/index.tsx b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/ApproveTxModal/index.tsx
index 5a04dd07..7090aa74 100644
--- a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/ApproveTxModal/index.tsx
+++ b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/ApproveTxModal/index.tsx
@@ -18,7 +18,7 @@ import Hairline from 'src/components/layout/Hairline'
 import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 import { userAccountSelector } from 'src/logic/wallets/store/selectors'
 import processTransaction from 'src/logic/safe/store/actions/processTransaction'
diff --git a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/RejectTxModal/index.tsx b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/RejectTxModal/index.tsx
index 013b2444..4d92a4d7 100644
--- a/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/RejectTxModal/index.tsx
+++ b/src/routes/safe/components/Transactions/TxsTable/ExpandedTx/RejectTxModal/index.tsx
@@ -16,7 +16,7 @@ import Hairline from 'src/components/layout/Hairline'
 import Paragraph from 'src/components/layout/Paragraph'
 import Row from 'src/components/layout/Row'
 import { TX_NOTIFICATION_TYPES } from 'src/logic/safe/transactions'
-import { estimateTxGasCosts } from 'src/logic/safe/transactions/gasNew'
+import { estimateTxGasCosts } from 'src/logic/safe/transactions/gas'
 import { formatAmount } from 'src/logic/tokens/utils/formatAmount'
 import { EMPTY_DATA } from 'src/logic/wallets/ethTransactions'
 import createTransaction from 'src/logic/safe/store/actions/createTransaction'