diff --git a/backend/ddang/src/main/resources/db/migration/V21__alter_user_tables.sql b/backend/ddang/src/main/resources/db/migration/V21__alter_user_tables.sql
deleted file mode 100644
index 9b039fae5..000000000
--- a/backend/ddang/src/main/resources/db/migration/V21__alter_user_tables.sql
+++ /dev/null
@@ -1 +0,0 @@
-alter table users add password varcar;