To do this task
Open the employee record.
Click the Employee Center icon and then click the Employees tab.
In the Name column, single-click to select the employee who you want to assign the schedule to.
Double-click the employee's name or click Edit Employee.
Click the Change tabs drop-down arrow at the top of the window and then click Payroll and Compensation Info.
Click in the Payroll Schedule field, and then press the Delete or Backspace key to leave the field blank.
Note: This employee is now not assigned to a payroll schedule. Use Unscheduled Payroll to pay this employee.
However, if you want to use payroll schedules to pay your employees, assign a different payroll schedule to the employee.