Аннотация:We took a total of 432 B-, V-, and l"-band CCD frames for DO Ori andVY CMi, which are classified as likely classical Cepheids in the General Catalogue ofVariable Srars and found both DO Ori and VY CMi actually to be RR Lyrae-tlpe variables with the periods of od.4r 865 and od. 4634466, respectively.