diff --git a/core/src/main/resources/db/migration/V1_6__UniqueConstraint.sql b/core/src/main/resources/db/migration/V1_6__UniqueConstraint.sql
deleted file mode 100644
index 5bdce39..0000000
--- a/core/src/main/resources/db/migration/V1_6__UniqueConstraint.sql
+++ /dev/null
@@ -1 +0,0 @@
-alter table user_request add unique (unique_qrd_request_id);