OFI Global Asset Management, Inc.
225 Liberty Street

New York, New York 10281-1008

December 3, 2018

VIA EDGAR

Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549

Re: Oppenheimer Discovery Fund (the “Registrant”)

Reg. No. 33-00371; File No. 811-04410

To the Securities and Exchange Commission:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the “Securities Act“), I hereby represent that the form of Prospectus and Statement of Additional Information that would have been filed pursuant to Rule 497(c) under the Securities Act would not have differed from that contained in Post-Effective Amendment No. 57 to the Registrant’s Registration Statement on Form N-1A, which was filed electronically with the Securities and Exchange Commission on November 27, 2018.

Sincerely,

/s/ Emily Ast

Emily Ast
Vice President and Associate General Counsel
212-323-5086
east@ofiglobal.com

cc: Kramer Levin Naftalis & Frankel LLP
Taylor V. Edwards, Esq.