diff --git a/packages/backend/native-utils/Cargo.toml b/packages/backend/native-utils/Cargo.toml
index 071d0f331b..9b030e37da 100644
--- a/packages/backend/native-utils/Cargo.toml
+++ b/packages/backend/native-utils/Cargo.toml
@@ -4,7 +4,7 @@ name = "native-utils"
 version = "0.0.0"
 
 [workspace]
-members = ["migration/Cargo.toml"]
+members = ["migration"]
 
 [features]
 default = []
diff --git a/packages/backend/native-utils/migration/Cargo.toml b/packages/backend/native-utils/migration/Cargo.toml
index dbfd41be69..0b4b2b2e7f 100644
--- a/packages/backend/native-utils/migration/Cargo.toml
+++ b/packages/backend/native-utils/migration/Cargo.toml
@@ -10,12 +10,12 @@ path = "src/lib.rs"
 
 [features]
 default = []
-convert = ["model/noarray"]
+convert = ["dep:native-utils"]
 
 [dependencies]
 async-std = { version = "1", features = ["attributes", "tokio1"] }
 serde_json = "1.0.96"
-model = { path = "../model" }
+native-utils = { path = "../", optional = true }
 indicatif = { version = "0.17.4", features = ["tokio"] }
 tokio = { version = "1.28.2", features = ["full"] }
 futures = "0.3.28"
diff --git a/packages/backend/native-utils/migration/src/m20230531_180824_drop_reversi.rs b/packages/backend/native-utils/migration/src/m20230531_180824_drop_reversi.rs
index c2726dd765..32b8dae223 100644
--- a/packages/backend/native-utils/migration/src/m20230531_180824_drop_reversi.rs
+++ b/packages/backend/native-utils/migration/src/m20230531_180824_drop_reversi.rs
@@ -18,6 +18,7 @@ impl MigrationTrait for Migration {
             DbBackend::Postgres,
             Table::drop()
                 .table(ReversiGame::Table)
+                .if_exists()
                 .to_string(PostgresQueryBuilder),
         ))
         .await?;
@@ -25,6 +26,7 @@ impl MigrationTrait for Migration {
             DbBackend::Postgres,
             Table::drop()
                 .table(ReversiMatching::Table)
+                .if_exists()
                 .to_string(PostgresQueryBuilder),
         ))
         .await?;
diff --git a/packages/backend/native-utils/migration/src/vec_to_json.rs b/packages/backend/native-utils/migration/src/vec_to_json.rs
index c762dcf1cc..c4a6d9b073 100644
--- a/packages/backend/native-utils/migration/src/vec_to_json.rs
+++ b/packages/backend/native-utils/migration/src/vec_to_json.rs
@@ -1,7 +1,7 @@
-#![allow(dead_code)]
+#![cfg(feature = "convert")]
 
 use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
-use model::entity::newtype::{I32Vec, StringVec};
+use native_utils::model::entity::newtype::{I32Vec, StringVec};
 use sea_orm_migration::{
     prelude::*,
     sea_orm::{Database, DbBackend, DbConn, Statement, TryGetable},