diff --git a/Orso.Arpa.Persistence/Seed/PersonSeedData.cs b/Orso.Arpa.Persistence/Seed/PersonSeedData.cs
index 77dc036eb..bf6c33c93 100644
--- a/Orso.Arpa.Persistence/Seed/PersonSeedData.cs
+++ b/Orso.Arpa.Persistence/Seed/PersonSeedData.cs
@@ -22,11 +22,9 @@ public static Person Admin
         {
             get
             {
-                var person = new Person(
+                return new Person(
                     Guid.Parse("56ed7c20-ba78-4a02-936e-5e840ef0748c"),
                     new UserRegister.Command { GivenName = "Initial", Surname = "Admin" });
-                person.Create("anonymous", new DateTime(2021,1,1));
-                return person;
             }
         }
     }
diff --git a/Orso.Arpa.Persistence/Seed/RegionSeedData.cs b/Orso.Arpa.Persistence/Seed/RegionSeedData.cs
index 0f37e47d0..35595ccea 100644
--- a/Orso.Arpa.Persistence/Seed/RegionSeedData.cs
+++ b/Orso.Arpa.Persistence/Seed/RegionSeedData.cs
@@ -24,7 +24,7 @@ public static Region Freiburg
         {
             get
             {
-                var region = new Region
+                return new Region
                 (
                     Guid.Parse("3e6c559e-8d50-488d-a1ea-5dbc0f44ba9b"),
                     new Create.Command
@@ -32,8 +32,6 @@ public static Region Freiburg
                         Name = "Freiburg"
                     }
                 );
-                region.Create("anonymous", new DateTime(2021, 1, 1));
-                return region;
             }
         }
 
@@ -41,7 +39,7 @@ public static Region Stuttgart
         {
             get
             {
-                var region =  new Region
+                return new Region
                 (
                     Guid.Parse("ac9544e3-e756-486c-a1dc-62988a882ac2"),
                     new Create.Command
@@ -49,8 +47,6 @@ public static Region Stuttgart
                         Name = "Stuttgart"
                     }
                 );
-                region.Create("anonymous", new DateTime(2021, 1, 1));
-                return region;
             }
         }
 
@@ -58,7 +54,7 @@ public static Region Berlin
         {
             get
             {
-                var region =  new Region
+                return new Region
                 (
                     Guid.Parse("ca3c9cce-1aee-4c50-93e1-be963542741a"),
                     new Create.Command
@@ -66,8 +62,6 @@ public static Region Berlin
                         Name = "Berlin"
                     }
                 );
-                region.Create("anonymous", new DateTime(2021, 1, 1));
-                return region;
             }
         }
     }
diff --git a/Tests/Orso.Arpa.Api.Tests/IntegrationTests/RegionsControllerTests.cs b/Tests/Orso.Arpa.Api.Tests/IntegrationTests/RegionsControllerTests.cs
index 7871b7c5f..d8ff5e8b3 100644
--- a/Tests/Orso.Arpa.Api.Tests/IntegrationTests/RegionsControllerTests.cs
+++ b/Tests/Orso.Arpa.Api.Tests/IntegrationTests/RegionsControllerTests.cs
@@ -65,7 +65,7 @@ public async Task Should_Modify()
                 Id = regionToModify.Id,
                 Name = modifyDto.Name,
                 CreatedBy = regionToModify.CreatedBy,
-                CreatedAt = regionToModify.CreatedAt,
+                CreatedAt = null,
                 ModifiedAt = DateTimeProvider.Instance.GetUtcNow(),
                 ModifiedBy = _staff.DisplayName,
             };
diff --git a/Tests/Orso.Arpa.Tests.Shared/DtoTestData/PersonDtoData.cs b/Tests/Orso.Arpa.Tests.Shared/DtoTestData/PersonDtoData.cs
index f3b444f31..8f0f1918c 100644
--- a/Tests/Orso.Arpa.Tests.Shared/DtoTestData/PersonDtoData.cs
+++ b/Tests/Orso.Arpa.Tests.Shared/DtoTestData/PersonDtoData.cs
@@ -1,3 +1,4 @@
+using System;
 using Orso.Arpa.Application.PersonApplication;
 using Orso.Arpa.Domain.Entities;
 using Orso.Arpa.Persistence.Seed;
@@ -12,7 +13,7 @@ public static PersonDto Performer
             get
             {
                 Person person = PersonTestSeedData.Performer;
-                return CreateDto(person, "anonymous");
+                return CreateDto(person, "anonymous", new System.DateTime(2021, 1, 1));
             }
         }
 
@@ -21,7 +22,7 @@ public static PersonDto Staff
             get
             {
                 Person person = PersonTestSeedData.Staff;
-                return CreateDto(person, "anonymous");
+                return CreateDto(person, "anonymous", new System.DateTime(2021, 1, 1));
             }
         }
 
@@ -30,11 +31,11 @@ public static PersonDto Admin
             get
             {
                 Person person = PersonSeedData.Admin;
-                return CreateDto(person, "anonymous");
+                return CreateDto(person, null, null);
             }
         }
 
-        private static PersonDto CreateDto(Person person, string createdBy)
+        private static PersonDto CreateDto(Person person, string createdBy, DateTime? createdAt)
         {
             return new PersonDto
             {
@@ -44,7 +45,7 @@ private static PersonDto CreateDto(Person person, string createdBy)
                 ModifiedAt = null,
                 ModifiedBy = person.ModifiedBy,
                 Surname = person.Surname,
-                CreatedAt = new System.DateTime(2021,1,1)
+                CreatedAt = createdAt
             };
         }
     }
diff --git a/Tests/Orso.Arpa.Tests.Shared/DtoTestData/RegionDtoData.cs b/Tests/Orso.Arpa.Tests.Shared/DtoTestData/RegionDtoData.cs
index 0357d4e8a..6087282f6 100644
--- a/Tests/Orso.Arpa.Tests.Shared/DtoTestData/RegionDtoData.cs
+++ b/Tests/Orso.Arpa.Tests.Shared/DtoTestData/RegionDtoData.cs
@@ -26,9 +26,7 @@ public static RegionDto Freiburg
                 return new RegionDto
                 {
                     Id = Guid.Parse("3e6c559e-8d50-488d-a1ea-5dbc0f44ba9b"),
-                    Name = "Freiburg",
-                    CreatedAt = new DateTime(2021, 1, 1),
-                    CreatedBy = "anonymous"
+                    Name = "Freiburg"
                 };
             }
         }
@@ -40,9 +38,7 @@ public static RegionDto Berlin
                 return new RegionDto
                 {
                     Id = Guid.Parse("ca3c9cce-1aee-4c50-93e1-be963542741a"),
-                    Name = "Berlin",
-                    CreatedAt = new DateTime(2021, 1, 1),
-                    CreatedBy = "anonymous"
+                    Name = "Berlin"
                 };
             }
         }
@@ -54,9 +50,7 @@ public static RegionDto Stuttgart
                 return new RegionDto
                 {
                     Id = Guid.Parse("ac9544e3-e756-486c-a1dc-62988a882ac2"),
-                    Name = "Stuttgart",
-                    CreatedAt = new DateTime(2021, 1, 1),
-                    CreatedBy = "anonymous"
+                    Name = "Stuttgart"
                 };
             }
         }