diff --git a/app-server/src/db/machine_manager.rs b/app-server/src/db/machine_manager.rs
index ab956b5..d220c1f 100644
--- a/app-server/src/db/machine_manager.rs
+++ b/app-server/src/db/machine_manager.rs
@@ -3,23 +3,19 @@ use sqlx::PgPool;
 use uuid::Uuid;
 
 pub async fn create_machine(pool: &PgPool, machine_id: Uuid, project_id: Uuid) -> Result<()> {
-    sqlx::query!(
-        r"INSERT INTO machines (id, project_id) VALUES ($1, $2)",
-        machine_id,
-        project_id
-    )
-    .execute(pool)
-    .await?;
+    sqlx::query("INSERT INTO machines (id, project_id) VALUES ($1, $2)")
+        .bind(machine_id)
+        .bind(project_id)
+        .execute(pool)
+        .await?;
     Ok(())
 }
 
 pub async fn delete_machine(pool: &PgPool, machine_id: Uuid, project_id: Uuid) -> Result<()> {
-    sqlx::query!(
-        r"DELETE FROM machines WHERE id = $1 AND project_id = $2",
-        machine_id,
-        project_id
-    )
-    .execute(pool)
-    .await?;
+    sqlx::query("DELETE FROM machines WHERE id = $1 AND project_id = $2")
+        .bind(machine_id)
+        .bind(project_id)
+        .execute(pool)
+        .await?;
     Ok(())
 }
diff --git a/app-server/src/machine_manager/mod.rs b/app-server/src/machine_manager/mod.rs
index 51b7ee8..62de354 100644
--- a/app-server/src/machine_manager/mod.rs
+++ b/app-server/src/machine_manager/mod.rs
@@ -4,7 +4,6 @@ use anyhow::Result;
 use async_trait::async_trait;
 use machine_manager_service_client::MachineManagerServiceClient;
 pub use machine_manager_service_grpc::*;
-use sqlx::pool;
 use std::sync::Arc;
 use tonic::transport::Channel;
 use uuid::Uuid;