diff --git a/src/main/resources/db/migration/V7_0__NewDatabaseStructure.sql b/src/main/resources/db/migration/V7_0__NewDatabaseStructure.sql
index 3f9f7c0c6138e67d8975bbd6e07dbed724d392ca..6f0380aee596bad76cb9a4ce6cf1f35eefcaf9bf 100644
--- a/src/main/resources/db/migration/V7_0__NewDatabaseStructure.sql
+++ b/src/main/resources/db/migration/V7_0__NewDatabaseStructure.sql
@@ -23,13 +23,9 @@ DROP COLUMN model_slug;
 
 ALTER TABLE experiment RENAME algorithms TO algorithm;
 UPDATE experiment SET algorithm = (algorithm::json ->> 0);
-
-UPDATE experiment SET result = result::json #>>'{0,result}' WHERE (algorithm::json->>'type') <> 'workflow';
-UPDATE experiment SET result = (SELECT jsonb_agg(value -> 'result') FROM jsonb_array_elements(result::jsonb)) WHERE (algorithm::json->>'type') = 'workflow';
-UPDATE experiment SET result = (SELECT jsonb_agg(d.data) FROM jsonb_array_elements(result::jsonb) t, json_array_elements(t.value::json) d(data)) WHERE (algorithm::json->>'type') = 'workflow';
-
-ALTER TABLE experiment ADD COLUMN algorithmId text;
 UPDATE experiment SET algorithmId = (algorithm::json ->> 'name');
+ALTER TABLE experiment ADD COLUMN algorithmId text;
+UPDATE experiment SET result = result::json #>>'{0,result}' WHERE (algorithm::json->>'type') <> 'workflow';
 
 ALTER TABLE experiment
 RENAME createdby_username TO created_by_username;