This would mean that obsolete irrelevant laws of which there are hundreds in the UK could simply disappear and existing relevant laws will be regularly reviewed. So much of today's UK legal system has more in common with the19th century than the 21st.
Every law should be given a maximum lifespan. This should be measured for new laws from the date of inception and for existing laws from a common starting date. A reasonable term could be 10 years and at the end of this period the law should either be allowed to lapse or it should be reviewed and then reinstated if appropriate to the present age.