diff --git a/Grand.Web/Areas/Admin/Models/Catalog/ProductModel.cs b/Grand.Web/Areas/Admin/Models/Catalog/ProductModel.cs
index 90e7663a7a..888f3e06f2 100644
--- a/Grand.Web/Areas/Admin/Models/Catalog/ProductModel.cs
+++ b/Grand.Web/Areas/Admin/Models/Catalog/ProductModel.cs
@@ -885,7 +885,6 @@ public partial class BidModel : BaseGrandEntityModel
             public string OrderId { get; set; }
         }
 
-        [Validator(typeof(GenerateCalendarValidator))]
         public partial class GenerateCalendarModel : BaseGrandModel
         {
 
diff --git a/Grand.Web/Areas/Admin/Validators/Catalog/GenerateCalendarValidator.cs b/Grand.Web/Areas/Admin/Validators/Catalog/GenerateCalendarValidator.cs
deleted file mode 100644
index 626c7c2fb7..0000000000
--- a/Grand.Web/Areas/Admin/Validators/Catalog/GenerateCalendarValidator.cs
+++ /dev/null
@@ -1,67 +0,0 @@
-using FluentValidation;
-using Grand.Core.Domain.Catalog;
-using Grand.Framework.Validators;
-using Grand.Services.Catalog;
-using Grand.Services.Localization;
-using Grand.Web.Areas.Admin.Models.Catalog;
-using System;
-
-namespace Grand.Web.Areas.Admin.Validators.Catalog
-{
-    public class GenerateCalendarValidator : BaseGrandValidator<ProductModel.GenerateCalendarModel>
-    {
-        public GenerateCalendarValidator(ILocalizationService localizationService, IProductService productService)
-        {
-            RuleFor(x => x.StartTime).NotEmpty().WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.StartTime.Required"));
-            RuleFor(x => x.EndTime).NotEmpty().WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.EndTime.Required"));
-            RuleFor(x => x.StartDate).LessThanOrEqualTo(x => x.EndDate).WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.Days.Finaldatemustbegreaterthanstartdate"));
-            RuleFor(x => x.Interval).MustAsync(async (x, y, context) =>
-            {
-                var product = await productService.GetProductById(x.ProductId);
-                if(product.ProductType == ProductType.Reservation)
-                {
-                    if (x.Interval > 0)
-                        return true;
-                }
-                return true;
-            }).WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.Interval.Intervalmustbegreaterthanzero"));
-
-            RuleFor(x => x.StartTime).Must((x, context) =>
-            {
-                if ((IntervalUnit)x.IntervalUnit == IntervalUnit.Day)
-                    return true;
-                else
-                {
-                    if ((x.StartTime != default(DateTime) || x.StartTime == null))
-                        return true;
-                }
-                return false;
-            }).WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.StartTime.Required"));
-
-
-            RuleFor(x => x.Quantity).Must((x, context) =>
-            {
-                if((IntervalUnit)x.IntervalUnit == IntervalUnit.Day)
-                    return true;
-                else
-                {
-                    if (x.Quantity > 0)
-                        return true;
-                }
-                return false;
-            }).WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.Quantity.Quantitymustbegreaterthanzero"));
-
-            RuleFor(x => x.Resource).Must((x, context) =>
-            {
-                if ((IntervalUnit)x.IntervalUnit != IntervalUnit.Day)
-                    return true;
-                else
-                {
-                    if (!string.IsNullOrEmpty(x.Resource))
-                        return true;
-                }
-                return false;
-            }).WithMessage(localizationService.GetResource("Admin.Catalog.ProductReservations.Fields.Resource.Required"));
-        }
-    }
-}