diff --git a/MotorBoat/MotorBoat/BoatDelegate.cs b/MotorBoat/MotorBoat/BoatDelegate.cs
deleted file mode 100644
index 873b741..0000000
--- a/MotorBoat/MotorBoat/BoatDelegate.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace MotorBoat
-{
-        public delegate void BoatDelegate(DrawningBoat boat);
-}
diff --git a/MotorBoat/MotorBoat/FormBoatConfig.cs b/MotorBoat/MotorBoat/FormBoatConfig.cs
index 8c2cc68..dfb9e81 100644
--- a/MotorBoat/MotorBoat/FormBoatConfig.cs
+++ b/MotorBoat/MotorBoat/FormBoatConfig.cs
@@ -12,7 +12,7 @@ namespace MotorBoat
 {
     public partial class FormBoatConfig : Form
     {
-        private event BoatDelegate EventAddBoat;
+        private event Action<DrawningBoat> EventAddBoat;
         DrawningBoat _boat = null;
         public FormBoatConfig()
         {
@@ -28,11 +28,11 @@ namespace MotorBoat
             buttonCancel.Click += (s, a) => Close();
         }
 
-        public void AddEvent(BoatDelegate ev)
+        public void AddEvent(Action<DrawningBoat> ev)
         {
             if (EventAddBoat == null)
             {
-                EventAddBoat = new BoatDelegate(ev);
+                EventAddBoat = new Action<DrawningBoat>(ev);
             }
             else
             {