diff --git a/migrations/versions/0451_create_db_users.py b/migrations/versions/0451_create_db_users.py
index cd2f5cb7fc..afe062a98e 100644
--- a/migrations/versions/0451_create_db_users.py
+++ b/migrations/versions/0451_create_db_users.py
@@ -22,7 +22,9 @@ def upgrade():
 
 
 def downgrade():
-    return
+    for role in roles:
+        op.execute(f"REVOKE {super_role} FROM {role};")
+        op.execute(f"DROP ROLE IF EXISTS {role};")
 
 
 def create_role_if_not_exist(role):