diff --git a/packages/backend/native-utils/crates/database/Cargo.toml b/packages/backend/native-utils/crates/database/Cargo.toml
index 4ff4da2b7b..440a76cf58 100644
--- a/packages/backend/native-utils/crates/database/Cargo.toml
+++ b/packages/backend/native-utils/crates/database/Cargo.toml
@@ -5,14 +5,8 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[features]
-mock = ["sea-orm/mock"]
-
 [dependencies]
 once_cell = "1.17.1"
 sea-orm = { version = "0.11.3", features = ["sqlx-postgres", "runtime-tokio-rustls"] }
 thiserror = "1.0.40"
 tokio = { version = "1.28.1", features = ["macros"] }
-
-[dev-dependencies]
-sea-orm = { version = "0.11.3", features = ["sqlx-sqlite"] }
diff --git a/packages/backend/native-utils/crates/database/src/lib.rs b/packages/backend/native-utils/crates/database/src/lib.rs
index 756be123e0..d0e7b25770 100644
--- a/packages/backend/native-utils/crates/database/src/lib.rs
+++ b/packages/backend/native-utils/crates/database/src/lib.rs
@@ -6,11 +6,6 @@ use crate::error::Error;
 
 static DB_CONN: once_cell::sync::OnceCell<DatabaseConnection> = once_cell::sync::OnceCell::new();
 
-#[cfg(feature = "mock")]
-static DB_MOCK: once_cell::sync::Lazy<DatabaseConnection> = once_cell::sync::Lazy::new(|| {
-    sea_orm::MockDatabase::new(sea_orm::DatabaseBackend::Postgres).into_connection()
-});
-
 pub async fn init_database(connection_uri: impl Into<String>) -> Result<(), Error> {
     let conn = Database::connect(connection_uri.into()).await?;
     DB_CONN.get_or_init(move || conn);
@@ -18,9 +13,6 @@ pub async fn init_database(connection_uri: impl Into<String>) -> Result<(), Erro
 }
 
 pub fn get_database() -> Result<&'static DatabaseConnection, Error> {
-    #[cfg(feature = "mock")]
-    return Ok(&DB_MOCK);
-    #[cfg(not(feature = "mock"))]
     DB_CONN.get().ok_or(Error::Uninitialized)
 }
 
diff --git a/packages/backend/native-utils/crates/model/Cargo.toml b/packages/backend/native-utils/crates/model/Cargo.toml
index 63f53c6306..87f712aa7e 100644
--- a/packages/backend/native-utils/crates/model/Cargo.toml
+++ b/packages/backend/native-utils/crates/model/Cargo.toml
@@ -20,6 +20,3 @@ thiserror = "1.0.40"
 tokio = { version = "1.28.1", features = ["sync"] }
 util = { path = "../util" }
 utoipa = "3.3.0"
-
-[dev-dependencies]
-database = { path = "../database", features = ["mock"] }