cannot convert from int to Models.employeecourse error

Question

how to loop and delete record from database in table EmployeeCourse table

this is my code

when itry to delete record from  removedCourseIds collection it give me error 

cannot convert from int to Models.employeecourse

[HttpPost]
ic ActionResult Edit(EditEmployeeVm model)

    {
        var existingCourseIds = db.EmployeeCourses.Where(g => g.EmployeeId == model.Id && g.CourseId!=null)
                         .Select(f => f.CourseId.Value).ToList();
        var removedCourseIds = existingCourseIds.Except(model.CourseIds);
        //Now loop through these and delete it from db
        foreach (var removedCourseId in removedCourseIds)
        {
//here error show in variable removedCourseId and show red line under this variable in line of remove
            db.EmployeeCourses.Remove(removedCourseId);
        }


        db.SaveChanges();


        return View();
    }