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-rw-r--r--lib/PublicInbox/IMAP.pm2
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index 89a278c1..f4b08eee 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -1271,8 +1271,6 @@ sub event_step {
 
 sub compressed { undef }
 
-sub zflush {} # overridden by IMAPdeflate
-
 # RFC 4978
 sub cmd_compress ($$$) {
         my ($self, $tag, $alg) = @_;