diff --git a/api/src/main/resources/db/migration/V1.0.20__INSTITUTE_API.sql b/api/src/main/resources/db/migration/V1.0.20__INSTITUTE_API.sql
index 943cedf3..0fc22e8d 100644
--- a/api/src/main/resources/db/migration/V1.0.20__INSTITUTE_API.sql
+++ b/api/src/main/resources/db/migration/V1.0.20__INSTITUTE_API.sql
@@ -22,12 +22,6 @@ ALTER COLUMN CREATE_USER TYPE VARCHAR(100);
 ALTER TABLE AUTHORITY_CONTACT
 ALTER COLUMN UPDATE_USER TYPE VARCHAR(100);
 
-ALTER TABLE AUTHORITY_CONTACT
-ALTER COLUMN CREATE_USER TYPE VARCHAR(100);
-
-ALTER TABLE AUTHORITY_CONTACT
-ALTER COLUMN UPDATE_USER TYPE VARCHAR(100);
-
 ALTER TABLE DISTRICT
 ALTER COLUMN CREATE_USER TYPE VARCHAR(100);