diff --git a/AsbCloudDb/Model/WellOperationCategory.cs b/AsbCloudDb/Model/WellOperationCategory.cs
index 4b73de9b..376e8863 100644
--- a/AsbCloudDb/Model/WellOperationCategory.cs
+++ b/AsbCloudDb/Model/WellOperationCategory.cs
@@ -285,8 +285,8 @@ namespace AsbCloudDb.Model
         public static WellOperationCategory[] WorkCategories { get; } = new WellOperationCategory[]{
              new () {Id = IdBhaDisassembly, IdParent = 4000, Name = "Разборка КНБК", KeyValueName = "dT", KeyValueUnits = "мин" },
             new () {Id = IdBhaAssembly, IdParent = 4000, Name = "Сборка КНБК", KeyValueName = "dT", KeyValueUnits = "мин" },
-            new () {Id = IdSlide, IdParent = 4001, Name = "Бурение слайдом", KeyValueName = "МСП", KeyValueUnits = "м/ч" },
-            new () {Id = IdRotor, IdParent = 4001, Name = "Бурение ротором", KeyValueName = "МСП", KeyValueUnits = "м/ч" },
+            new () {Id = IdSlide, IsHidden = true, IdParent = 4001, Name = "Бурение слайдом", KeyValueName = "МСП", KeyValueUnits = "м/ч" },
+            new () {Id = IdRotor, IsHidden = true, IdParent = 4001, Name = "Бурение ротором", KeyValueName = "МСП", KeyValueUnits = "м/ч" },
             new () {Id = IdStaticSurveying, IdParent = 4002, Name = "Замер ЗТС (запись MWD)", KeyValueName = "dT", KeyValueUnits = "мин" },
             new () {Id = IdFlashingBeforeConnection, IdParent = 4003, Name = "Промывка перед наращиванием", KeyValueName = "dT", KeyValueUnits = "мин" },
             new () {Id = 5006, IdParent = 4003, Name = "Проработка во время бурения", KeyValueName = "dT", KeyValueUnits = "мин" },
diff --git a/AsbCloudInfrastructure/Repository/WellOperationCategoryRepository.cs b/AsbCloudInfrastructure/Repository/WellOperationCategoryRepository.cs
index 49d146bd..d171dc46 100644
--- a/AsbCloudInfrastructure/Repository/WellOperationCategoryRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WellOperationCategoryRepository.cs
@@ -24,7 +24,8 @@ public class WellOperationCategoryRepository : IWellOperationCategoryRepository
         var categories = memoryCache
             .GetOrCreateBasic(db.Set<WellOperationCategory>());
 
-        categories = categories.Where(o => includeHidden ? true : o.IsHidden == false);
+        if (!includeHidden)
+            categories = categories.Where(o => o.IsHidden == false);
 
         if (!includeParents)
         {