diff --git a/src/App.tsx b/src/App.tsx
index 6575bc9..3943188 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -9,7 +9,7 @@ import { useLocalStorage, useHotkeys } from '@mantine/hooks'
 import AppShellExample from './components/AppShell'
 
 import { AlephiumWalletProvider } from '@alephium/web3-react'
-import { NetworkId } from '@alephium/web3'
+import { useNetworkId } from './utils/utils'
 
 function App() {
   const [colorScheme, setColorScheme] = useLocalStorage<ColorScheme>({
@@ -18,11 +18,7 @@ function App() {
     getInitialValueInEffect: true,
   })
 
-  const [network] = useLocalStorage<NetworkId>({
-    key: 'alephium-network',
-    defaultValue: 'mainnet',
-    getInitialValueInEffect: true,
-  })
+  const [network] = useNetworkId()
 
   const toggleColorScheme = (value?: ColorScheme) =>
     setColorScheme(value || (colorScheme === 'dark' ? 'light' : 'dark'))
diff --git a/src/components/Multisig/BuildMultiSigTx.tsx b/src/components/Multisig/BuildMultiSigTx.tsx
index 36b423b..86cd5d6 100644
--- a/src/components/Multisig/BuildMultiSigTx.tsx
+++ b/src/components/Multisig/BuildMultiSigTx.tsx
@@ -125,8 +125,6 @@ function BuildMultisigTx() {
       })
       if (hasError) throw new Error(`Invalid signatures`)
 
-      // const nodeProvider = web3.getCurrentNodeProvider()
-      const nodeProvider = new NodeProvider('http://127.0.0.1:22973')
       const submitTxResult = await submitMultisigTx(
         nodeProvider,
         form.values.multisig,