diff --git a/AstuteSystem/sql/astute.sql b/AstuteSystem/sql/astute.sql
index d35c5c4..5d1bf6c 100644
--- a/AstuteSystem/sql/astute.sql
+++ b/AstuteSystem/sql/astute.sql
@@ -117,7 +117,7 @@ BEGIN
    FROM invoice
    WHERE inv_no = inv_no_in;
    
-   IF inv_status_in <> 0 THEN
+   IF inv_status_in <> 1 THEN
       RETURN 'ERROR - ONLY DRAFT INVOICE CAN BE DELETED';
    END IF;
    
@@ -471,19 +471,6 @@ CREATE TABLE IF NOT EXISTS `session` (
 /*!40000 ALTER TABLE `session` DISABLE KEYS */;
 /*!40000 ALTER TABLE `session` ENABLE KEYS */;
 
--- Dumping structure for procedure astute.submit_invoice
-DELIMITER //
-CREATE DEFINER=`root`@`localhost` PROCEDURE `submit_invoice`(invNo varchar(20))
-BEGIN
-DECLARE po_no varchar(20);
-SELECT PO_NUM INTO po_no FROM INVOICE WHERE INV_NO = invNo;
-
-UPDATE INVOICE SET INV_NO = generate_final_inv_number(po_no), INV_STATUS = 2 WHERE INV_NO = invNo;
-UPDATE PO SET INV_SEQ = INV_SEQ + 1 WHERE PO_NUM = po_no;
-Commit;
-END//
-DELIMITER ;
-
 -- Dumping structure for procedure astute.update_all_remaining_quantities
 DELIMITER //
 CREATE DEFINER=`root`@`localhost` PROCEDURE `update_all_remaining_quantities`(invNo varchar(20))