diff --git a/DD.Persistence.API/Controllers/TimestampedValuesController.cs b/DD.Persistence.API/Controllers/TimestampedValuesController.cs
index bb4934c..fe97476 100644
--- a/DD.Persistence.API/Controllers/TimestampedValuesController.cs
+++ b/DD.Persistence.API/Controllers/TimestampedValuesController.cs
@@ -1,6 +1,8 @@
 using DD.Persistence.Models;
 using DD.Persistence.Models.Common;
+using DD.Persistence.Repositories;
 using DD.Persistence.Services.Interfaces;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using System.Net;
 
@@ -10,15 +12,16 @@ namespace DD.Persistence.API.Controllers;
 /// Хранение наборов данных с отметкой времени.
 /// </summary>
 [ApiController]
-//[Authorize]
+[Authorize]
 [Route("api/[controller]")]
 public class TimestampedValuesController : ControllerBase
 {
     private readonly ITimestampedValuesService timestampedValuesService;
-
-    public TimestampedValuesController(ITimestampedValuesService repository)
+    private readonly ITimestampedValuesRepository timestampedValuesRepository;
+    public TimestampedValuesController(ITimestampedValuesService repository, ITimestampedValuesRepository timestampedValuesRepository)
     {
         this.timestampedValuesService = repository;
+        this.timestampedValuesRepository = timestampedValuesRepository;
     }
 
     /// <summary>
@@ -130,7 +133,7 @@ public class TimestampedValuesController : ControllerBase
     [HttpGet("{discriminatorId}/count")]
     public async Task<ActionResult<int>> Count([FromRoute] Guid discriminatorId, CancellationToken token)
     {
-        var result = await timestampedValuesService.Count(discriminatorId, token);
+        var result = await timestampedValuesRepository.Count(discriminatorId, token);
 
         return Ok(result);
     }
@@ -143,7 +146,7 @@ public class TimestampedValuesController : ControllerBase
     [HttpGet("{discriminatorId}/datesRange")]
     public async Task<ActionResult<DatesRangeDto>> GetDatesRange([FromRoute] Guid discriminatorId, CancellationToken token)
     {
-        var result = await timestampedValuesService.GetDatesRange(discriminatorId, token);
+        var result = await timestampedValuesRepository.GetDatesRange(discriminatorId, token);
 
         return Ok(result);
     }
diff --git a/DD.Persistence.Repository/Repositories/TimestampedValuesRepository.cs b/DD.Persistence.Repository/Repositories/TimestampedValuesRepository.cs
index 3f4e0a0..2005a5a 100644
--- a/DD.Persistence.Repository/Repositories/TimestampedValuesRepository.cs
+++ b/DD.Persistence.Repository/Repositories/TimestampedValuesRepository.cs
@@ -18,17 +18,12 @@ public class TimestampedValuesRepository : ITimestampedValuesRepository
 
     public async virtual Task<int> AddRange(Guid discriminatorId, IEnumerable<TimestampedValuesDto> dtos, CancellationToken token)
     {
-        var timestampedValuesEntities = new List<TimestampedValues>();
-        foreach (var dto in dtos)
+        var timestampedValuesEntities = dtos.Select(dto => new TimestampedValues()
         {
-            var timestampedValuesEntity = new TimestampedValues()
-            {
-                DiscriminatorId = discriminatorId,
-                Timestamp = dto.Timestamp.ToUniversalTime(),
-                Values = dto.Values.Values.ToArray()
-            };
-            timestampedValuesEntities.Add(timestampedValuesEntity);
-        }
+            DiscriminatorId = discriminatorId,
+            Timestamp = dto.Timestamp.ToUniversalTime(),
+            Values = dto.Values.Values.ToArray()
+        });
 
         await db.Set<TimestampedValues>().AddRangeAsync(timestampedValuesEntities, token);
 
diff --git a/DD.Persistence/Services/Interfaces/ITimestampedValuesService.cs b/DD.Persistence/Services/Interfaces/ITimestampedValuesService.cs
index 27c5f16..317eb8c 100644
--- a/DD.Persistence/Services/Interfaces/ITimestampedValuesService.cs
+++ b/DD.Persistence/Services/Interfaces/ITimestampedValuesService.cs
@@ -17,14 +17,6 @@ public interface ITimestampedValuesService
     /// <returns></returns>
     Task<int> AddRange(Guid discriminatorId, IEnumerable<TimestampedValuesDto> dtos, CancellationToken token);
 
-    /// <summary>
-    /// Количество записей по указанному набору в БД. Для пагинации
-    /// </summary>
-    /// <param name="discriminatorId">Дискриминатор (идентификатор) набора</param>
-    /// <param name="token"></param>
-    /// <returns></returns>
-    Task<int> Count(Guid discriminatorId, CancellationToken token);
-
     /// <summary>
     /// Получение данных с фильтрацией для нескольких систем. Значение фильтра null - отключен
     /// </summary>
@@ -75,12 +67,4 @@ public interface ITimestampedValuesService
     /// <param name="token"></param>
     /// <returns></returns>
     Task<IEnumerable<TimestampedValuesDto>> GetResampledData(Guid discriminatorId, DateTimeOffset timestampBegin, double intervalSec = 600, int approxPointsCount = 1024, CancellationToken token = default);
-
-    /// <summary>
-    /// Получить диапазон дат, для которых есть данные
-    /// </summary>
-    /// <param name="discriminatorId"></param>
-    /// <param name="token"></param>
-    /// <returns></returns>
-    Task<DatesRangeDto?> GetDatesRange(Guid discriminatorId, CancellationToken token);
 }
\ No newline at end of file
diff --git a/DD.Persistence/Services/TimestampedValuesService.cs b/DD.Persistence/Services/TimestampedValuesService.cs
index 304fbc4..cbcb73c 100644
--- a/DD.Persistence/Services/TimestampedValuesService.cs
+++ b/DD.Persistence/Services/TimestampedValuesService.cs
@@ -102,22 +102,6 @@ public class TimestampedValuesService : ITimestampedValuesService
         return dtos;
     }
 
-    /// <inheritdoc/>
-    public async Task<int> Count(Guid discriminatorId, CancellationToken token)
-    {
-        var result = await timestampedValuesRepository.Count(discriminatorId, token);
-
-        return result;
-    }
-
-    /// <inheritdoc/>
-    public async virtual Task<DatesRangeDto?> GetDatesRange(Guid discriminatorId, CancellationToken token)
-    {
-        var result = await timestampedValuesRepository.GetDatesRange(discriminatorId, token);
-
-        return result;
-    }
-
     /// <summary>
     /// Преобразовать результат запроса в набор dto
     /// </summary>