I've long since dropped the articles for reference works that I produced as a grad student, and under "Reviews" I have "More than 70 book reviews, 1968-2009 in journals including [a selective list of journals plus two or three newspapers]." And even when applying for doctoral programs, I did not list the work for Masterplots that I did for cash ($25 each at the time) when I was a master's student -- though it has in fact stood me in good stead over the years, because not only have I caught two students plagiarizing things I wrote, but familiarity with the Masterplots standard format has enabled me to spot quite a few more such.
As others have said, c.v.'s grow more and more selective over the years. And you can keep what will serve you well, in any case. One grad student I know selectively includes the two years spent teaching middle school on a South Dakota reservation when it may be helpful, and a doctoral student from a small religious denomination had two completely different c.v.'s, one for religious schools and one for secular schools. I don't regard a c.v. as the equivalent of a federal security-check questionnaire, where such selectivity would might possibly land you in trouble.
70n book reviews? Published in scholarly journals? I've never heard of someone doing that many.
Over 40 years, so not quite 2 per year. There is a reason Seniorscholar is so wise -- long experience.
VP