diff --git a/AIParkingApplication/Statistic.cs b/AIParkingApplication/Statistic.cs
index 2b6aeec..ac1a984 100644
--- a/AIParkingApplication/Statistic.cs
+++ b/AIParkingApplication/Statistic.cs
@@ -13,14 +13,12 @@ namespace AIParkingApplication
 {
     public partial class Statistic : UserControl
     {
-        private const string AIPARKING_CLIENT_HTTP_API_REQUEST = "http://{0}:{1}{2}";
         private readonly HttpClient client = new HttpClient { BaseAddress = new Uri("http://192.168.1.123:80/"), Timeout = TimeSpan.FromMilliseconds(5000) };
 
         Label lblLoaiXe;
         Label lblXeMay;
         Label lblOto;
         Label lblSoLuong;
-        Label lblTT;
         Label lblSoLuongXeMay;
         Label lblSoLuongOto;
 
@@ -82,7 +80,6 @@ namespace AIParkingApplication
             lblXeMay = new Label() { Text = "Xe máy", Font = labelFont };
             lblOto = new Label() { Text = "Ô tô", Font = labelFont };
             lblSoLuong = new Label() { Text = "Số Lượng", Font = labelFont };
-            lblTT = new Label() { Text = "TT", Font = labelFont };
             lblSoLuongXeMay = new Label() { Text = "0", Font = labelFont };
             lblSoLuongOto = new Label() { Text = "0", Font = labelFont };