diff --git a/crates/scroll/node/src/builder/pool.rs b/crates/scroll/node/src/builder/pool.rs
index e40b5a08084..8fead3e4c3f 100644
--- a/crates/scroll/node/src/builder/pool.rs
+++ b/crates/scroll/node/src/builder/pool.rs
@@ -13,6 +13,7 @@ use reth_transaction_pool::{
     blobstore::DiskFileBlobStore, CoinbaseTipOrdering, EthPoolTransaction,
     TransactionValidationTaskExecutor,
 };
+use scroll_alloy_consensus::ScrollTransaction;
 use scroll_alloy_hardforks::ScrollHardforks;
 
 /// A basic scroll transaction pool.
@@ -52,7 +53,7 @@ where
             ChainSpec: EthChainSpec + ScrollHardforks + ChainConfig<Config = ScrollChainConfig>,
         >,
     >,
-    T: EthPoolTransaction<Consensus = TxTy<Node::Types>>,
+    T: EthPoolTransaction<Consensus = TxTy<Node::Types>> + ScrollTransaction,
 {
     type Pool = ScrollTransactionPool<Node::Provider, DiskFileBlobStore, T>;
 
@@ -138,7 +139,7 @@ mod tests {
     use crate::ScrollNode;
 
     use alloy_consensus::{transaction::Recovered, Header, Signed, TxLegacy};
-    use alloy_primitives::{private::rand::random_iter, Bytes, Signature, B256, U256};
+    use alloy_primitives::{private::rand::random_iter, Bytes, Sealed, Signature, B256, U256};
     use reth_chainspec::Head;
     use reth_db::mock::DatabaseMock;
     use reth_node_api::FullNodeTypesAdapter;
@@ -160,7 +161,7 @@ mod tests {
         error::{InvalidPoolTransactionError, PoolErrorKind},
         PoolConfig, TransactionOrigin, TransactionPool,
     };
-    use scroll_alloy_consensus::ScrollTxEnvelope;
+    use scroll_alloy_consensus::{ScrollTxEnvelope, TxL1Message};
     use scroll_alloy_evm::curie::L1_GAS_PRICE_ORACLE_ADDRESS;
 
     async fn pool() -> (
@@ -351,4 +352,31 @@ mod tests {
         // drop all validation tasks.
         drop(manager);
     }
+
+    #[tokio::test]
+    async fn test_validate_one_disallow_l1_messages() {
+        // create the pool.
+        let (pool, manager) = pool().await;
+        let tx = ScrollTxEnvelope::L1Message(Sealed::new_unchecked(
+            TxL1Message::default(),
+            B256::default(),
+        ));
+
+        // Create a pool transaction with the L1 message.
+        let pool_tx =
+            ScrollPooledTransaction::new(Recovered::new_unchecked(tx, Default::default()), 0);
+
+        // add the transaction to the pool and expect an `OversizedData` error.
+        let err = pool.add_transaction(TransactionOrigin::Local, pool_tx).await.unwrap_err();
+        assert!(matches!(
+            err.kind,
+            PoolErrorKind::InvalidTransaction(InvalidPoolTransactionError::Consensus(
+                InvalidTransactionError::TxTypeNotSupported
+            ))
+        ));
+
+        // explicitly drop the manager here otherwise the `TransactionValidationTaskExecutor` will
+        // drop all validation tasks.
+        drop(manager);
+    }
 }
diff --git a/crates/scroll/txpool/src/transaction.rs b/crates/scroll/txpool/src/transaction.rs
index bee30961949..e0fdf7b66c1 100644
--- a/crates/scroll/txpool/src/transaction.rs
+++ b/crates/scroll/txpool/src/transaction.rs
@@ -10,6 +10,7 @@ use reth_scroll_primitives::ScrollTransactionSigned;
 use reth_transaction_pool::{
     EthBlobTransactionSidecar, EthPoolTransaction, EthPooledTransaction, PoolTransaction,
 };
+use scroll_alloy_consensus::ScrollTransaction;
 use std::sync::{Arc, OnceLock};
 
 /// Pool transaction for Scroll.
@@ -209,6 +210,16 @@ where
     }
 }
 
+impl<Cons: ScrollTransaction, Pooled> ScrollTransaction for ScrollPooledTransaction<Cons, Pooled> {
+    fn is_l1_message(&self) -> bool {
+        self.transaction.is_l1_message()
+    }
+
+    fn queue_index(&self) -> Option<u64> {
+        self.transaction.queue_index()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::{ScrollPooledTransaction, ScrollTransactionValidator};
diff --git a/crates/scroll/txpool/src/validator.rs b/crates/scroll/txpool/src/validator.rs
index 0f7ea42f582..24a4d76dede 100644
--- a/crates/scroll/txpool/src/validator.rs
+++ b/crates/scroll/txpool/src/validator.rs
@@ -17,6 +17,7 @@ use reth_transaction_pool::{
     TransactionValidator,
 };
 use revm_scroll::l1block::L1BlockInfo;
+use scroll_alloy_consensus::ScrollTransaction;
 use std::sync::{
     atomic::{AtomicU64, Ordering},
     Arc,
@@ -85,7 +86,7 @@ impl<Client, Tx> ScrollTransactionValidator<Client, Tx> {
 impl<Client, Tx> ScrollTransactionValidator<Client, Tx>
 where
     Client: ChainSpecProvider<ChainSpec: ScrollHardforks> + StateProviderFactory + BlockReaderIdExt,
-    Tx: EthPoolTransaction,
+    Tx: EthPoolTransaction + ScrollTransaction,
 {
     /// Create a new [`ScrollTransactionValidator`].
     pub fn new(inner: EthTransactionValidator<Client, Tx>) -> Self {
@@ -139,6 +140,12 @@ where
         transaction: Tx,
     ) -> TransactionValidationOutcome<Tx> {
         if transaction.is_eip4844() {
+            return TransactionValidationOutcome::Invalid(
+                transaction,
+                InvalidTransactionError::Eip4844Disabled.into(),
+            )
+        }
+        if transaction.is_l1_message() {
             return TransactionValidationOutcome::Invalid(
                 transaction,
                 InvalidTransactionError::TxTypeNotSupported.into(),
@@ -232,7 +239,7 @@ where
 impl<Client, Tx> TransactionValidator for ScrollTransactionValidator<Client, Tx>
 where
     Client: ChainSpecProvider<ChainSpec: ScrollHardforks> + StateProviderFactory + BlockReaderIdExt,
-    Tx: EthPoolTransaction,
+    Tx: EthPoolTransaction + ScrollTransaction,
 {
     type Transaction = Tx;