diff --git a/src/lib/config.ts b/src/lib/config.ts
index 61b18ae..e4e0665 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -536,7 +536,7 @@ export const RPC_CONFIG: Record<Chain, RpcConfig> = {
         url: RPC_FORCE_URL || process.env.MODE_RPC_URL || 'https://mainnet.mode.network',
         transaction: {
             ...defaultTransactionConfig,
-            type: 'eip1559',
+            type: 'legacy',
             maxNativePerTransactionWei: bigintMultiplyFloat(ONE_ETHER, 0.01),
         },
         harvest: {
diff --git a/src/lib/rpc-actions/aggressivelyWriteContract.ts b/src/lib/rpc-actions/aggressivelyWriteContract.ts
index 65500db..c4f5111 100644
--- a/src/lib/rpc-actions/aggressivelyWriteContract.ts
+++ b/src/lib/rpc-actions/aggressivelyWriteContract.ts
@@ -151,13 +151,9 @@ export async function aggressivelyWriteContract<
     });
     logger.debug({ msg: 'Got nonce', data: { chain, address: args.address, nonce } });
 
-    let gasParams = await publicClient.estimateFeesPerGas({
+    const gasParams = await publicClient.estimateFeesPerGas({
         type: rpcConfig.transaction.type,
     });
-    if (chain === 'mode') {
-        // @ts-ignore
-        gasParams = {};
-    }
     logger.debug({ msg: 'Got gas params', data: { chain, address: args.address, gasParams } });
 
     const allPendingTransactions: Hex[] = [];