Abstract: A device for the selection and elimination of crop ends of rolls of kitchen towel and/or toilet paper, in which the device is supplied by at least one row of finished rolls (12) and by top and tail crop ends (13) cut in sequence from at least one log, and including a structure (14) supporting an upper belt unit (16) and a lower belt unit (15a, 15b), facing each other to receive the rolls (12) and crop ends (13), the lower belt unit (15a, 15b) having a first, belt subunit (15a) and a second belt subunit (15b) separated by an opening (26), upstream the first belt subunit (15a) with a fixed lower surface (32) underneath the upper belt unit (16) to turnover the crop ends (13) and with a contact means (33, 35) being provided a the entrance of opening (26), on the turned crop ends to rotate them into the opening (26), letting the cut and finished rolls (12) pass by.