diff --git a/AirBomber/AirBomber/FormMapWithSetAirBombers.cs b/AirBomber/AirBomber/FormMapWithSetAirBombers.cs
index f690fc1..64f7b32 100644
--- a/AirBomber/AirBomber/FormMapWithSetAirBombers.cs
+++ b/AirBomber/AirBomber/FormMapWithSetAirBombers.cs
@@ -29,8 +29,6 @@ namespace AirBomber
 
         private Action<DrawingAirBomber> AddAction;
 
-        private DrawingObjectAirBomber returnedAirBomber;
-
         public FormMapWithSetAirBombers()
         {
             InitializeComponent();