diff --git a/db/postgresql/migrations/12_update_report_parameter/migration.sql b/db/postgresql/migrations/12_update_report_parameter/migration.sql
index aca2f39d..19b663f4 100644
--- a/db/postgresql/migrations/12_update_report_parameter/migration.sql
+++ b/db/postgresql/migrations/12_update_report_parameter/migration.sql
@@ -1,7 +1,3 @@
--- ConvertData
-UPDATE "report"
-SET "parameters" = CONCAT('"', REPLACE(parameters, '"', '\"'), '"');
-
 -- AlterTable
 ALTER TABLE "report"
 ALTER COLUMN "parameters" SET DATA TYPE JSONB USING parameters::JSONB;