diff --git a/src/components/Header/Header.tsx b/src/components/Header/Header.tsx
index 66ca7c90..3bba62bc 100644
--- a/src/components/Header/Header.tsx
+++ b/src/components/Header/Header.tsx
@@ -58,7 +58,7 @@ export const Header: React.FC<IHeader> = ({
   activeChain,
   onChainSelect,
   network,
-  defaultMainnetRPC,
+  // defaultMainnetRPC,
   rpcStatus
 }) => {
   const { classes } = useStyles()
@@ -199,13 +199,13 @@ export const Header: React.FC<IHeader> = ({
                   rpc: defaultTestnetRPC,
                   rpcName:
                     testnetRPCs.find(data => data.rpc === defaultTestnetRPC)?.rpcName ?? 'Custom'
-                },
-                {
-                  networkType: Network.Mainnet,
-                  rpc: defaultMainnetRPC,
-                  rpcName:
-                    mainnetRPCs.find(data => data.rpc === defaultMainnetRPC)?.rpcName ?? 'Custom'
                 }
+                // {
+                //   networkType: Network.Mainnet,
+                //   rpc: defaultMainnetRPC,
+                //   rpcName:
+                //     mainnetRPCs.find(data => data.rpc === defaultMainnetRPC)?.rpcName ?? 'Custom'
+                // }
               ]}
               onSelect={onNetworkSelect}
             />
diff --git a/src/components/Swap/Swap.tsx b/src/components/Swap/Swap.tsx
index 689a4020..423e74fc 100644
--- a/src/components/Swap/Swap.tsx
+++ b/src/components/Swap/Swap.tsx
@@ -353,7 +353,8 @@ export const Swap: React.FC<ISwap> = ({
     if (
       tokenFrom !== null &&
       convertBalanceToBigint(amountFrom, Number(tokens[tokenFrom]?.decimals ?? 0n)) !== 0n &&
-      isError(SwapError.Unknown)
+      convertBalanceToBigint(amountFrom, Number(tokens[tokenFrom]?.decimals ?? 0n)) !== 0n &&
+      simulateResult.errors.every(error => error === SwapError.Unknown)
     ) {
       return 'Not enough liquidity'
     }