extra slot removal
extra slot removal

EduPepperPDTesting/pepper2013-testing,EduPepperPDTesting/pepper2013-testing,EduPepperPDTesting/pepper2013-testing,EduPepperPDTesting/pepper2013-testing,EduPepperPDTesting/pepper2013-testing,EduPepperPDTesting/pepper2013-testing