diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index c49c317024..1f096e3350 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1209,10 +1209,8 @@ func (args *SendTxArgs) toTransaction() *types.Transaction {
 // submitTransaction is a helper function that submits tx to txPool and logs a message.
 func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (common.Hash, error) {
 	if tx.To() != nil && tx.To().String() == common.BlockSigners {
-		log.Debug("Dont Allow submitTransaction to  BlockSigners through api ",  tx.String())
-		return tx.Hash(), nil
+		return common.Hash{}, errors.New("Dont allow transaction sent to BlockSigners smart contract via API")
 	}
-	log.Debug("Allow submitTransaction through api ",  tx.String())
 	if err := b.SendTx(ctx, tx); err != nil {
 		return common.Hash{}, err
 	}