diff --git a/aspnetcore/data/ef-mvc/intro/samples/cu-final/Controllers/InstructorsController.cs b/aspnetcore/data/ef-mvc/intro/samples/cu-final/Controllers/InstructorsController.cs
index 02ddc40a9326..90f20f850e2a 100644
--- a/aspnetcore/data/ef-mvc/intro/samples/cu-final/Controllers/InstructorsController.cs
+++ b/aspnetcore/data/ef-mvc/intro/samples/cu-final/Controllers/InstructorsController.cs
@@ -27,8 +27,6 @@ public async Task<IActionResult> Index(int? id, int? courseID)
             var viewModel = new InstructorIndexData();
             viewModel.Instructors = await _context.Instructors
                   .Include(i => i.OfficeAssignment)
-                  .Include(i => i.CourseAssignments)
-                    .ThenInclude(i => i.Course)
                   .Include(i => i.CourseAssignments)
                     .ThenInclude(i => i.Course)
                         .ThenInclude(i => i.Department)
diff --git a/aspnetcore/data/ef-mvc/intro/samples/cu/Controllers/InstructorsController.cs b/aspnetcore/data/ef-mvc/intro/samples/cu/Controllers/InstructorsController.cs
index e6a98df6f321..28bc847c3e0d 100644
--- a/aspnetcore/data/ef-mvc/intro/samples/cu/Controllers/InstructorsController.cs
+++ b/aspnetcore/data/ef-mvc/intro/samples/cu/Controllers/InstructorsController.cs
@@ -76,8 +76,6 @@ public async Task<IActionResult> Index(int? id, int? courseID)
             var viewModel = new InstructorIndexData();
             viewModel.Instructors = await _context.Instructors
                   .Include(i => i.OfficeAssignment)
-                  .Include(i => i.CourseAssignments)
-                    .ThenInclude(i => i.Course)
                   .Include(i => i.CourseAssignments)
                     .ThenInclude(i => i.Course)
                         .ThenInclude(i => i.Department)