diff --git a/AsbCloudApp/Data/DrillParamsDto.cs b/AsbCloudApp/Data/DrillParamsDto.cs
index d79f2451..b8111410 100644
--- a/AsbCloudApp/Data/DrillParamsDto.cs
+++ b/AsbCloudApp/Data/DrillParamsDto.cs
@@ -1,3 +1,5 @@
+using System.Linq;
+
 namespace AsbCloudApp.Data
 {
 
@@ -15,7 +17,7 @@ namespace AsbCloudApp.Data
         /// <summary>
         /// ������� ���������
         /// </summary>
-        public MinMaxDto<double> Depth { get; set; }
+        public MinMaxDto<double> Depth { get; set; } = null!;
 
         /// <summary>
         /// id well section type.
@@ -25,26 +27,26 @@ namespace AsbCloudApp.Data
         /// <summary>
         /// axial load
         /// </summary>
-        public MinMaxExtendedViewDto AxialLoad { get; set; }
+        public MinMaxExtendedViewDto AxialLoad { get; set; } = null!;
 
         /// <summary>
         /// pressure
         /// </summary>
-        public MinMaxExtendedViewDto Pressure { get; set; }
+        public MinMaxExtendedViewDto Pressure { get; set; } = null!;
 
         /// <summary>
         /// rotor torque
         /// </summary>
-        public MinMaxExtendedViewDto RotorTorque { get; set; }
+        public MinMaxExtendedViewDto RotorTorque { get; set; } = null!;
 
         /// <summary>
         /// rotor speed
         /// </summary>
-        public MinMaxExtendedViewDto RotorSpeed { get; set; }
+        public MinMaxExtendedViewDto RotorSpeed { get; set; } = null!;
 
         /// <summary>
         /// flow
         /// </summary>
-        public MinMaxExtendedViewDto Flow { get; set; }
+        public MinMaxExtendedViewDto Flow { get; set; } = null!;
     }
 }
\ No newline at end of file
diff --git a/AsbCloudApp/Data/FileCategoryDto.cs b/AsbCloudApp/Data/FileCategoryDto.cs
index 6d553dcd..2174af01 100644
--- a/AsbCloudApp/Data/FileCategoryDto.cs
+++ b/AsbCloudApp/Data/FileCategoryDto.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO категории файла
     /// </summary>
@@ -19,5 +18,4 @@
         /// </summary>
         public string ShortName { get; set; } = string.Empty;
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/FileInfoDto.cs b/AsbCloudApp/Data/FileInfoDto.cs
index 1dde4735..05dfa1ff 100644
--- a/AsbCloudApp/Data/FileInfoDto.cs
+++ b/AsbCloudApp/Data/FileInfoDto.cs
@@ -4,7 +4,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO информации о файле. Используется для загрузки файла.
     /// </summary>
diff --git a/AsbCloudApp/Data/FileMarkDto.cs b/AsbCloudApp/Data/FileMarkDto.cs
index a92ccfc9..57139367 100644
--- a/AsbCloudApp/Data/FileMarkDto.cs
+++ b/AsbCloudApp/Data/FileMarkDto.cs
@@ -2,7 +2,6 @@ using System;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// ������� ��� �����
     /// </summary>
diff --git a/AsbCloudApp/Data/IId.cs b/AsbCloudApp/Data/IId.cs
index 1e60b9b9..e5ad455e 100644
--- a/AsbCloudApp/Data/IId.cs
+++ b/AsbCloudApp/Data/IId.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Интерфейс данных с Id
     /// </summary>
diff --git a/AsbCloudApp/Data/IMapPoint.cs b/AsbCloudApp/Data/IMapPoint.cs
index c5a18cef..f71bd7fa 100644
--- a/AsbCloudApp/Data/IMapPoint.cs
+++ b/AsbCloudApp/Data/IMapPoint.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// точка на карте
     /// </summary>
diff --git a/AsbCloudApp/Data/IWellRelated.cs b/AsbCloudApp/Data/IWellRelated.cs
index 7771766b..f79a03a9 100644
--- a/AsbCloudApp/Data/IWellRelated.cs
+++ b/AsbCloudApp/Data/IWellRelated.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Well related DTO
     /// </summary>
diff --git a/AsbCloudApp/Data/JobDto.cs b/AsbCloudApp/Data/JobDto.cs
index 2e9b336a..ea5a8e24 100644
--- a/AsbCloudApp/Data/JobDto.cs
+++ b/AsbCloudApp/Data/JobDto.cs
@@ -1,9 +1,7 @@
-using System;
-using System.Collections;
+using System.Collections;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Состояние фоновой задачи
     /// </summary>
@@ -52,5 +50,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public string? Error { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/LimitingParameterDataDto.cs b/AsbCloudApp/Data/LimitingParameterDataDto.cs
index 83db213b..1bf982dc 100644
--- a/AsbCloudApp/Data/LimitingParameterDataDto.cs
+++ b/AsbCloudApp/Data/LimitingParameterDataDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Статистика по ограничивающим параметрам
     /// </summary>
@@ -43,5 +42,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public short IdFeedRegulator { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/LimitingParameterDto.cs b/AsbCloudApp/Data/LimitingParameterDto.cs
index a1f03219..45a3da74 100644
--- a/AsbCloudApp/Data/LimitingParameterDto.cs
+++ b/AsbCloudApp/Data/LimitingParameterDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Статистика по ограничивающим параметрам
     /// </summary>
@@ -38,5 +37,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public int NumberInclusions { get; set; }
     }
-#nullable disable
 }