(erase-buffer)
(let ((file (gnus-cache-file-name group ".overview")))
(when (file-exists-p file)
- (mm-insert-file-contents file)))
+ (nnheader-insert-file-contents file)))
;; We have a fresh (empty/just loaded) buffer,
;; mark it as unmodified to save a redundant write later.
(set-buffer-modified-p nil))))