diff --git a/schema/mysql/upgrade/upgradev730.sql b/schema/mysql/upgrade/upgradev730.sql
deleted file mode 100644
index 2c144f03..00000000
--- a/schema/mysql/upgrade/upgradev730.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-DELIMITER DLM00
-
-DROP PROCEDURE IF EXISTS upgrade730 DLM00
-
-CREATE PROCEDURE upgrade730()
-BEGIN
-	
-	IF (SELECT DATA_TYPE FROM information_schema.`COLUMNS` WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'doc_changes' AND COLUMN_NAME = 'change_data') <> 'longblob' THEN
-		SET SQL_SAFE_UPDATES=0;
-		ALTER TABLE `doc_changes` CHANGE COLUMN `change_data` `change_data` LONGBLOB NOT NULL ;
-		SET SQL_SAFE_UPDATES=1;
-	END IF;
-
-END DLM00
-
-CALL upgrade730() DLM00
-
-DELIMITER ;
diff --git a/schema/postgresql/upgrade/upgradev730.sql b/schema/postgresql/upgrade/upgradev730.sql
deleted file mode 100644
index a13b7ea8..00000000
--- a/schema/postgresql/upgrade/upgradev730.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-DO $$ 
-	BEGIN
-		BEGIN
-			ALTER TABLE doc_changes ALTER COLUMN change_data TYPE bytea USING change_data::bytea;
-		EXCEPTION
-			WHEN duplicate_column THEN RAISE NOTICE 'cant modify doc_changes.change_data colummn';
-		END;
-	END;
-$$