diff --git a/backend/src/startup.rs b/backend/src/startup.rs
index 50b0abf..328b52c 100644
--- a/backend/src/startup.rs
+++ b/backend/src/startup.rs
@@ -240,7 +240,7 @@ mod tests {
         };
 
         // WHEN: The application is converted to a runnable application
-        let app = Application::build(settings.clone(), None);
+        let app = Application::build(settings, None);
         let _runnable_app = app.make_app();
 
         // THEN: The middleware chain should use CORS settings from configuration
diff --git a/backend/tests/cors_test.rs b/backend/tests/cors_test.rs
index 114d325..f2596c3 100644
--- a/backend/tests/cors_test.rs
+++ b/backend/tests/cors_test.rs
@@ -18,13 +18,11 @@ fn get_test_app_with_cors(
     allow_credentials: bool,
     max_age_secs: i32,
 ) -> poem::middleware::AddDataEndpoint<
-    poem::middleware::CorsEndpoint<
-        sta::middleware::rate_limit::RateLimitEndpoint<poem::Route>,
-    >,
+    poem::middleware::CorsEndpoint<sta::middleware::rate_limit::RateLimitEndpoint<poem::Route>>,
     Settings,
 > {
-    let tcp_listener = std::net::TcpListener::bind("127.0.0.1:0")
-        .expect("Failed to bind a random TCP listener");
+    let tcp_listener =
+        std::net::TcpListener::bind("127.0.0.1:0").expect("Failed to bind a random TCP listener");
     let port = tcp_listener.local_addr().unwrap().port();
     let listener = poem::listener::TcpListener::bind(format!("127.0.0.1:{port}"));
 
@@ -44,11 +42,7 @@ fn get_test_app_with_cors(
 #[tokio::test]
 async fn preflight_request_returns_cors_headers() {
     // GIVEN: An app with CORS configured for specific origin
-    let app = get_test_app_with_cors(
-        vec!["http://localhost:5173".to_string()],
-        false,
-        3600,
-    );
+    let app = get_test_app_with_cors(vec!["http://localhost:5173".to_string()], false, 3600);
     let client = TestClient::new(app);
 
     // WHEN: A preflight OPTIONS request is sent with Origin header
@@ -88,11 +82,7 @@ async fn preflight_request_returns_cors_headers() {
 #[tokio::test]
 async fn get_request_with_origin_returns_allow_origin_header() {
     // GIVEN: An app with CORS configured for specific origin
-    let app = get_test_app_with_cors(
-        vec!["http://localhost:5173".to_string()],
-        false,
-        3600,
-    );
+    let app = get_test_app_with_cors(vec!["http://localhost:5173".to_string()], false, 3600);
     let client = TestClient::new(app);
 
     // WHEN: A GET request is sent with Origin header
@@ -227,11 +217,7 @@ async fn response_does_not_include_credentials_when_disabled() {
 #[tokio::test]
 async fn preflight_response_includes_correct_allowed_methods() {
     // GIVEN: An app with CORS configured
-    let app = get_test_app_with_cors(
-        vec!["http://localhost:5173".to_string()],
-        false,
-        3600,
-    );
+    let app = get_test_app_with_cors(vec!["http://localhost:5173".to_string()], false, 3600);
     let client = TestClient::new(app);
 
     // WHEN: A preflight OPTIONS request is sent
@@ -355,11 +341,7 @@ async fn multiple_origins_are_supported() {
 #[tokio::test]
 async fn unauthorized_origin_is_rejected() {
     // GIVEN: An app with CORS configured for specific origins only
-    let app = get_test_app_with_cors(
-        vec!["http://localhost:5173".to_string()],
-        false,
-        3600,
-    );
+    let app = get_test_app_with_cors(vec!["http://localhost:5173".to_string()], false, 3600);
     let client = TestClient::new(app);
 
     // WHEN: A request is sent with an unauthorized origin