fe0->dvb.frontend = dvb_attach(cx24116_attach,
                                               &tevii_s460_config,
                                               &core->i2c_adap);
-               if (fe0->dvb.frontend != NULL) {
-                       core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+               if (fe0->dvb.frontend != NULL)
                        fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
-               }
                break;
        case CX88_BOARD_OMICOM_SS4_PCI:
        case CX88_BOARD_TBS_8920:
                fe0->dvb.frontend = dvb_attach(cx24116_attach,
                                               &hauppauge_hvr4000_config,
                                               &core->i2c_adap);
-               if (fe0->dvb.frontend != NULL) {
-                       core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+               if (fe0->dvb.frontend != NULL)
                        fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
-               }
                break;
        default:
                printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",