diff --git a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V42__bug745_fix_mr_sealing_medical_record_id.sql b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V42__bug745_fix_mr_sealing_medical_record_id.sql
deleted file mode 100644
index 04838066b..000000000
--- a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V42__bug745_fix_mr_sealing_medical_record_id.sql
+++ /dev/null
@@ -1,3 +0,0 @@
--- Bug #745: mr_sealing.medical_record_id NOT NULL 导致前端不传该字段时 INSERT 报错
--- 封存业务通过病案号手动录入，medicalRecordId 非必需，改为可空
-ALTER TABLE mr_sealing ALTER COLUMN medical_record_id DROP NOT NULL;