diff --git a/University/UniversityContracts/SearchModels/ActivitySearchModel.cs b/University/UniversityContracts/SearchModels/ActivitySearchModel.cs
index a1b5768..4e78738 100644
--- a/University/UniversityContracts/SearchModels/ActivitySearchModel.cs
+++ b/University/UniversityContracts/SearchModels/ActivitySearchModel.cs
@@ -2,10 +2,8 @@
 
 namespace UniversityContracts.SearchModels
 {
-    public class ActivitySearchModel : IActivityModel
+    public class ActivitySearchModel
     {
-        public int Id { get; set; }
-        public DateTime Date { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
-        public int Number { get; set; }
+        public int? Id { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/DisciplineSearchModel.cs b/University/UniversityContracts/SearchModels/DisciplineSearchModel.cs
index 7ae530e..66ff1b4 100644
--- a/University/UniversityContracts/SearchModels/DisciplineSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/DisciplineSearchModel.cs
@@ -2,10 +2,9 @@
 
 namespace UniversityContracts.SearchModels
 {
-    public class DisciplineSearchModel : IDisciplineModel
+    public class DisciplineSearchModel
     {
-        public int Id { get; set; }
-        public string Name { get; set; } = String.Empty;
-        public string Department { get; set; } = String.Empty;
+        public int? Id { get; set; }
+        public string? Name { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs b/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
index b2c979b..4f27f9f 100644
--- a/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/ExaminationResultSearchModel.cs
@@ -3,11 +3,8 @@ using UniversityDataModels.Models;
 
 namespace UniversityContracts.SearchModels
 {
-    public class ExaminationResultSearchModel : IExaminationResultModel
+    public class ExaminationResultSearchModel
     {
-        public int Id { get; set; }
-        public string ExaminationForm { get; set; } = String.Empty;
-        public MarkType Mark { get; set; } = MarkType.Неизвестен;
-        public DateTime Date { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        public int? Id { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/ReportTypeSearchModel.cs b/University/UniversityContracts/SearchModels/ReportTypeSearchModel.cs
index 72c645c..b27c834 100644
--- a/University/UniversityContracts/SearchModels/ReportTypeSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/ReportTypeSearchModel.cs
@@ -2,9 +2,9 @@
 
 namespace UniversityContracts.SearchModels
 {
-    public class ReportTypeSearchModel : IReportTypeModel
+    public class ReportTypeSearchModel
     {
-        public int Id { get; set; }
-        public string Name { get; set; } = String.Empty;
+        public int? Id { get; set; }
+        public string? Name { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/StatementSearchModel.cs b/University/UniversityContracts/SearchModels/StatementSearchModel.cs
index dc3c24c..7c3ca9d 100644
--- a/University/UniversityContracts/SearchModels/StatementSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/StatementSearchModel.cs
@@ -2,10 +2,8 @@
 
 namespace UniversityContracts.SearchModels
 {
-    public class StatementSearchModel : IStatementModel
+    public class StatementSearchModel
     {
-        public int Id { get; set; }
-        public DateTime Date { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
-        public int HoursCount { get; set; }
+        public int? Id { get; set; }
     }
 }
diff --git a/University/UniversityContracts/SearchModels/StudentSearchModel.cs b/University/UniversityContracts/SearchModels/StudentSearchModel.cs
index 820ddf1..815be4a 100644
--- a/University/UniversityContracts/SearchModels/StudentSearchModel.cs
+++ b/University/UniversityContracts/SearchModels/StudentSearchModel.cs
@@ -2,10 +2,9 @@
 
 namespace UniversityContracts.SearchModels
 {
-    public class StudentSearchModel : IStudentModel
+    public class StudentSearchModel
     {
-        public int Id { get; set; }
-        public string Name { get; set; } = String.Empty;
-        public string RecordCardNumber { get; set; } = String.Empty;
+        public int? Id { get; set; }
+        public string? Name { get; set; }
     }
 }