Form 497J DELAWARE GROUP INCOME

Stradley Ronon Stevens & Young, LLP

2005 Market Street, Suite 2600

Philadelphia, Pennsylvania 19103-7018

(215) 564-8000

August 4, 2021

Filing Desk

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C.  20549

Attention:  Jaea Hahn

RE:    Delaware Group Income Funds (the "Registrant")

Dear Ms. Hahn:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, this letter serves as certification that the forms of Prospectus and Statement of Additional Information that would have been filed under paragraph (c) of Rule 497 would not have differed from those filed in Post-Effective Amendment No. 124 (the "Amendment") to the Registrant’s Registration Statement on Form N-1A. The Amendment was filed with the Securities and Exchange Commission electronically on July 30, 2021.

If you have any questions or comments regarding this filing, please call me at (215) 564-8099.

Very truly yours,

Jonathan M. Kopcsik

cc:	Anthony G. Ciavarelli
	Macquarie Investment Management
	Bruce G. Leto