diff --git a/internal/storage/clickhouse.go b/internal/storage/clickhouse.go
index 7083d1c..6357974 100644
--- a/internal/storage/clickhouse.go
+++ b/internal/storage/clickhouse.go
@@ -1003,7 +1003,7 @@ func (c *ClickHouseConnector) DeleteBlockData(chainId *big.Int, blockNumbers []*
 }
 
 func (c *ClickHouseConnector) deleteBatch(chainId *big.Int, blockNumbers []*big.Int, table string, blockNumberColumn string) error {
-	query := fmt.Sprintf("ALTER TABLE %s.%s DELETE WHERE chain_id = ? AND %s IN (?)", c.cfg.Database, table, blockNumberColumn)
+	query := fmt.Sprintf("DELETE FROM %s.%s WHERE chain_id = ? AND %s IN (?)", c.cfg.Database, table, blockNumberColumn)
 
 	blockNumbersStr := make([]string, len(blockNumbers))
 	for i, bn := range blockNumbers {