diff --git a/app/components/UI/Swaps/QuotesView.js b/app/components/UI/Swaps/QuotesView.js
index 238bbd5f6e3..ce56a8fba5f 100644
--- a/app/components/UI/Swaps/QuotesView.js
+++ b/app/components/UI/Swaps/QuotesView.js
@@ -586,9 +586,6 @@ function SwapsQuotesView({
     const ethAmountBN = isSwapsNativeAsset(sourceToken)
       ? sourceBN
       : new BigNumber(0);
-
-    // accounts[selectedAddress].balance might be undefined
-    // BigNumber(undefined) returns "NaN", which causes missingEthBalance to be "NaN" downstream
     const ethBalanceBN = new BigNumber(accounts[selectedAddress].balance);
     const gasBN = toWei(selectedQuoteValue?.maxEthFee || '0');
     const hasEnoughEthBalance = ethBalanceBN.gte(ethAmountBN.plus(gasBN));
@@ -1677,12 +1674,6 @@ function SwapsQuotesView({
     hasEnoughTokenBalance &&
     hasEnoughEthBalance;
 
-  const shouldShowNeedMoreAlert =
-    (!isSwapsNativeAsset(sourceToken) && !hasEnoughTokenBalance) ||
-    (isSwapsNativeAsset(sourceToken) &&
-      !hasEnoughEthBalance &&
-      missingEthBalance?.isNaN() === false);
-
   return (
     <ScreenView
       contentContainerStyle={styles.screen}
@@ -1691,7 +1682,7 @@ function SwapsQuotesView({
       scrollEnabled={!isSwiping}
     >
       <View style={styles.topBar}>
-        {shouldShowNeedMoreAlert && (
+        {(!hasEnoughTokenBalance || !hasEnoughEthBalance) && (
           <View style={styles.alertBar}>
             <Alert small type={AlertType.Info}>
               {`${strings('swaps.you_need')} `}
diff --git a/app/util/number/index.js b/app/util/number/index.js
index c4408d160a2..d24915a5f70 100644
--- a/app/util/number/index.js
+++ b/app/util/number/index.js
@@ -312,22 +312,17 @@ export function fiatNumberToTokenMinimalUnit(
 export function renderFromWei(value, decimalsToShow = 5) {
   let renderWei = '0';
   // avoid undefined
-  // This function can throw an error if value is "NaN", so wrap in try/catch
-  try {
-    if (value) {
-      const wei = fromWei(value);
-      const weiNumber = parseFloat(wei);
-      if (weiNumber < 0.00001 && weiNumber > 0) {
-        renderWei = '< 0.00001';
-      } else {
-        const base = Math.pow(10, decimalsToShow);
-        renderWei = (Math.round(weiNumber * base) / base).toString();
-      }
+  if (value) {
+    const wei = fromWei(value);
+    const weiNumber = parseFloat(wei);
+    if (weiNumber < 0.00001 && weiNumber > 0) {
+      renderWei = '< 0.00001';
+    } else {
+      const base = Math.pow(10, decimalsToShow);
+      renderWei = (Math.round(weiNumber * base) / base).toString();
     }
-    return renderWei;
-  } catch (e) {
-    return renderWei;
   }
+  return renderWei;
 }
 
 /**
diff --git a/app/util/number/index.test.ts b/app/util/number/index.test.ts
index 8f6777529e9..4f85fe775aa 100644
--- a/app/util/number/index.test.ts
+++ b/app/util/number/index.test.ts
@@ -403,10 +403,6 @@ describe('Number utils :: renderFromWei', () => {
     expect(renderFromWei('133700000000000000')).toEqual('0.1337');
     expect(renderFromWei('1337')).toEqual('< 0.00001');
     expect(renderFromWei('0')).toEqual('0');
-
-    // https://github.com/MetaMask/metamask-mobile/issues/9672
-    // fromWei will throw error if "NaN" is passed
-    expect(renderFromWei('NaN')).toEqual('0');
   });
 
   it('renderFromWei using BN number', () => {