diff --git a/AsbCloudApp/Requests/DetectedOperationRequest.cs b/AsbCloudApp/Requests/DetectedOperationRequest.cs
index a6097b9c..9bfa22f7 100644
--- a/AsbCloudApp/Requests/DetectedOperationRequest.cs
+++ b/AsbCloudApp/Requests/DetectedOperationRequest.cs
@@ -18,7 +18,7 @@ namespace AsbCloudApp.Requests
         /// <summary>
         /// категории операций
         /// </summary>
-        public IEnumerable<int> IdsCategories { get; set; }
+        public IEnumerable<int>? IdsCategories { get; set; }
 
         /// <summary>
         /// Больше или равно дате
diff --git a/AsbCloudApp/Requests/FileRequest.cs b/AsbCloudApp/Requests/FileRequest.cs
index 14a799e0..7ea84c7e 100644
--- a/AsbCloudApp/Requests/FileRequest.cs
+++ b/AsbCloudApp/Requests/FileRequest.cs
@@ -3,7 +3,6 @@ using System.ComponentModel.DataAnnotations;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// Параметры запроса для файлового сервиса
     /// </summary>
@@ -46,5 +45,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public bool? IsDeleted { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/LimitingParameterRequest.cs b/AsbCloudApp/Requests/LimitingParameterRequest.cs
index 0fa64feb..31fb02f0 100644
--- a/AsbCloudApp/Requests/LimitingParameterRequest.cs
+++ b/AsbCloudApp/Requests/LimitingParameterRequest.cs
@@ -3,7 +3,6 @@ using System.ComponentModel.DataAnnotations;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// Класс с фильтрами для запроса по ограничивающим параметрам
     /// </summary>
@@ -35,5 +34,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public double? LtDepth { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/MessageRequest.cs b/AsbCloudApp/Requests/MessageRequest.cs
index 8f7f06f6..1bfba1a2 100644
--- a/AsbCloudApp/Requests/MessageRequest.cs
+++ b/AsbCloudApp/Requests/MessageRequest.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// параметры для запроса списка сообщений
     /// </summary>
diff --git a/AsbCloudApp/Requests/ProcessMapRequest.cs b/AsbCloudApp/Requests/ProcessMapRequest.cs
index 55adb7fd..8fc481e4 100644
--- a/AsbCloudApp/Requests/ProcessMapRequest.cs
+++ b/AsbCloudApp/Requests/ProcessMapRequest.cs
@@ -1,9 +1,7 @@
 using System;
-using System.Collections.Generic;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// Параметры для запроса получения РТК
     /// </summary>
@@ -24,5 +22,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public DateTime? UpdateFrom { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/RequestBase.cs b/AsbCloudApp/Requests/RequestBase.cs
index 368dfe4f..2ae96e54 100644
--- a/AsbCloudApp/Requests/RequestBase.cs
+++ b/AsbCloudApp/Requests/RequestBase.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// Базовые параметры запроса
     /// </summary>
@@ -25,5 +24,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public IEnumerable<string>? SortFields { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/SubsystemOperationTimeRequest.cs b/AsbCloudApp/Requests/SubsystemOperationTimeRequest.cs
index 2b666467..11aafa3c 100644
--- a/AsbCloudApp/Requests/SubsystemOperationTimeRequest.cs
+++ b/AsbCloudApp/Requests/SubsystemOperationTimeRequest.cs
@@ -4,7 +4,6 @@ using System.ComponentModel.DataAnnotations;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// класс с фильтрами для запроса
     /// </summary>
@@ -60,5 +59,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public int SelectMode { get; set; } = SelectModeOuter;
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/WellOperationRequest.cs b/AsbCloudApp/Requests/WellOperationRequest.cs
index 16c355d1..eaa91790 100644
--- a/AsbCloudApp/Requests/WellOperationRequest.cs
+++ b/AsbCloudApp/Requests/WellOperationRequest.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// параметры для запроса списка операций
     /// </summary>
@@ -83,5 +82,4 @@ namespace AsbCloudApp.Requests
             this.SortFields = request.SortFields;
         }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Requests/WellRequest.cs b/AsbCloudApp/Requests/WellRequest.cs
index 0d7d6e85..3f5195d0 100644
--- a/AsbCloudApp/Requests/WellRequest.cs
+++ b/AsbCloudApp/Requests/WellRequest.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Requests
 {
-#nullable enable
     /// <summary>
     /// Запрос на получение скважин
     /// </summary>
@@ -23,5 +22,4 @@ namespace AsbCloudApp.Requests
         /// </summary>
         public IEnumerable<int>? Ids { get; set; }
     }
-#nullable disable
 }