diff --git a/src/Api/Models/Request/GroupRequestModel.cs b/src/Api/Models/Request/GroupRequestModel.cs
index 6fcb34825a..aa52a08af2 100644
--- a/src/Api/Models/Request/GroupRequestModel.cs
+++ b/src/Api/Models/Request/GroupRequestModel.cs
@@ -10,8 +10,6 @@ public class GroupRequestModel
     public string Name { get; set; }
     [Required]
     public bool? AccessAll { get; set; }
-    [StringLength(300)]
-    public string ExternalId { get; set; }
     public IEnumerable<SelectionReadOnlyRequestModel> Collections { get; set; }
     public IEnumerable<Guid> Users { get; set; }
 
@@ -27,7 +25,6 @@ public class GroupRequestModel
     {
         existingGroup.Name = Name;
         existingGroup.AccessAll = AccessAll.Value;
-        existingGroup.ExternalId = ExternalId;
         return existingGroup;
     }
 }
diff --git a/test/Api.Test/Controllers/GroupsControllerTests.cs b/test/Api.Test/Controllers/GroupsControllerTests.cs
index 5d700b4e36..b7f3b0cd36 100644
--- a/test/Api.Test/Controllers/GroupsControllerTests.cs
+++ b/test/Api.Test/Controllers/GroupsControllerTests.cs
@@ -29,7 +29,7 @@ public class GroupsControllerTests
         await sutProvider.GetDependency<ICreateGroupCommand>().Received(1).CreateGroupAsync(
             Arg.Is<Group>(g =>
                 g.OrganizationId == organization.Id && g.Name == groupRequestModel.Name &&
-                g.AccessAll == groupRequestModel.AccessAll && g.ExternalId == groupRequestModel.ExternalId),
+                g.AccessAll == groupRequestModel.AccessAll),
             organization,
             Arg.Any<IEnumerable<CollectionAccessSelection>>(),
             Arg.Any<IEnumerable<Guid>>());
@@ -38,7 +38,6 @@ public class GroupsControllerTests
         Assert.Equal(groupRequestModel.Name, response.Name);
         Assert.Equal(organization.Id.ToString(), response.OrganizationId);
         Assert.Equal(groupRequestModel.AccessAll, response.AccessAll);
-        Assert.Equal(groupRequestModel.ExternalId, response.ExternalId);
     }
 
     [Theory]
@@ -57,7 +56,7 @@ public class GroupsControllerTests
         await sutProvider.GetDependency<IUpdateGroupCommand>().Received(1).UpdateGroupAsync(
             Arg.Is<Group>(g =>
                 g.OrganizationId == organization.Id && g.Name == groupRequestModel.Name &&
-                g.AccessAll == groupRequestModel.AccessAll && g.ExternalId == groupRequestModel.ExternalId),
+                g.AccessAll == groupRequestModel.AccessAll),
             Arg.Is<Organization>(o => o.Id == organization.Id),
             Arg.Any<IEnumerable<CollectionAccessSelection>>(),
             Arg.Any<IEnumerable<Guid>>());
@@ -66,6 +65,5 @@ public class GroupsControllerTests
         Assert.Equal(groupRequestModel.Name, response.Name);
         Assert.Equal(organization.Id.ToString(), response.OrganizationId);
         Assert.Equal(groupRequestModel.AccessAll, response.AccessAll);
-        Assert.Equal(groupRequestModel.ExternalId, response.ExternalId);
     }
 }