diff --git a/packages/taiko-client/pkg/utils/utils.go b/packages/taiko-client/pkg/utils/utils.go
index 401f09c343e..4e33399590c 100644
--- a/packages/taiko-client/pkg/utils/utils.go
+++ b/packages/taiko-client/pkg/utils/utils.go
@@ -76,10 +76,15 @@ func Min[T constraints.Integer](a, b T) T {
 func EncodeAndCompressTxList(txs types.Transactions) ([]byte, error) {
 	b, err := rlp.EncodeToBytes(txs)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("failed to RLP encode transactions: %w", err)
+	}
+
+	compressed, err := Compress(b)
+	if err != nil {
+		return nil, fmt.Errorf("failed to compress RLP encoded transactions: %w", err)
 	}
 
-	return Compress(b)
+	return compressed, nil
 }
 
 // Compress compresses the given txList bytes using zlib.
diff --git a/packages/taiko-client/proposer/transaction_builder/blob.go b/packages/taiko-client/proposer/transaction_builder/blob.go
index 8fcf29d2101..f2c6d41fbfd 100644
--- a/packages/taiko-client/proposer/transaction_builder/blob.go
+++ b/packages/taiko-client/proposer/transaction_builder/blob.go
@@ -12,7 +12,6 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/rlp"
 
 	"github.com/taikoxyz/taiko-mono/packages/taiko-client/bindings/encoding"
 	pacayaBindings "github.com/taikoxyz/taiko-mono/packages/taiko-client/bindings/pacaya"
@@ -193,13 +192,9 @@ func (b *BlobTransactionBuilder) BuildPacaya(
 		})
 	}
 
-	rlpEncoded, err := rlp.EncodeToBytes(allTxs)
+	txListsBytes, err := utils.EncodeAndCompressTxList(allTxs)
 	if err != nil {
-		return nil, fmt.Errorf("failed to encode transactions: %w", err)
-	}
-	txListsBytes, err := utils.Compress(rlpEncoded)
-	if err != nil {
-		return nil, fmt.Errorf("failed to compress transactions: %w", err)
+		return nil, err
 	}
 
 	if blobs, err = b.splitToBlobs(txListsBytes); err != nil {
diff --git a/packages/taiko-client/proposer/transaction_builder/calldata.go b/packages/taiko-client/proposer/transaction_builder/calldata.go
index 6d4f80935ac..d4b8ea3629f 100644
--- a/packages/taiko-client/proposer/transaction_builder/calldata.go
+++ b/packages/taiko-client/proposer/transaction_builder/calldata.go
@@ -10,7 +10,6 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/rlp"
 
 	"github.com/taikoxyz/taiko-mono/packages/taiko-client/bindings/encoding"
 	pacayaBindings "github.com/taikoxyz/taiko-mono/packages/taiko-client/bindings/pacaya"
@@ -177,13 +176,9 @@ func (b *CalldataTransactionBuilder) BuildPacaya(
 		})
 	}
 
-	rlpEncoded, err := rlp.EncodeToBytes(allTxs)
+	txListsBytes, err := utils.EncodeAndCompressTxList(allTxs)
 	if err != nil {
-		return nil, fmt.Errorf("failed to encode transactions: %w", err)
-	}
-	txListsBytes, err := utils.Compress(rlpEncoded)
-	if err != nil {
-		return nil, fmt.Errorf("failed to compress transactions: %w", err)
+		return nil, err
 	}
 
 	if encodedParams, err = encoding.EncodeBatchParamsWithForcedInclusion(