diff --git a/AirBomber/AirBomber/GeneratorAirplane.cs b/AirBomber/AirBomber/GeneratorAirplane.cs
index 8bf1d6e..de39540 100644
--- a/AirBomber/AirBomber/GeneratorAirplane.cs
+++ b/AirBomber/AirBomber/GeneratorAirplane.cs
@@ -31,7 +31,7 @@ namespace AirBomber
         /// </summary>
         /// <param name="type">тип</param>
         /// <returns>Успешно ли проведена операция</returns>
-        public virtual bool AddTypeOfEntity(T type)
+        public bool AddTypeOfEntity(T type)
         {
             if (NumTypesOfEntity >= typesOfEntity.Length)
             {
@@ -45,7 +45,7 @@ namespace AirBomber
         /// </summary>
         /// <param name="type">тип</param>
         /// <returns>Успешно ли проведена операция</returns>
-        public virtual bool AddTypeOfEngines(U type)
+        public bool AddTypeOfEngines(U type)
         {
             if (NumTypesOfEngines >= typesOfEngines.Length)
             {