reinvent the wheel
Definition from Wiktionary, the free dictionary
- (Received Pronunciation, General American) IPA(key): /ˌɹiːɪnˈvɛnt ðə ˈhwiːl/
- Hyphenation: re‧in‧vent the wheel
- (idiomatic) To do work unnecessarily when it has already been done satisfactorily by others; to attempt to devise a solution to a problem when a solution already exists.
2000 August 28, Dave Kearns, “Directory Services: Let’s not reinvent the wheel”, in Network World, volume 17, number 35, Southborough, Mass.: Network World, Inc., ISSN 0887-7661, OCLC 803858702, page 22:
- Evidently, the trend in security applications is to reinvent the wheel, or in this case, to reinvent the directory service.
2017 January 20, Annie Zaleski, “AFI Sounds Refreshed and Rejuvenated on Its 10th Album, AFI (The Blood Album)”, in The A.V. Club:
to do work unnecessarily