lib/PublicInbox/IMAPdeflate.pm | 1 -
 lib/PublicInbox/NNTPdeflate.pm | 1 -

diff --git a/lib/PublicInbox/IMAPdeflate.pm b/lib/PublicInbox/IMAPdeflate.pm
index 9366db7a7fc84d85e0f649a16eac4ba25275da71..67c9a9738d54836fe12edf7a5911983945c41ba4 100644
--- a/lib/PublicInbox/IMAPdeflate.pm
+++ b/lib/PublicInbox/IMAPdeflate.pm
@@ -50,7 +50,6 @@
 # overrides PublicInbox::NNTP::compressed
 sub compressed { 1 }
 
-# $_[1] may be a reference or not
 sub do_read ($$$$) {
 	my ($self, $rbuf, $len, $off) = @_;
 
diff --git a/lib/PublicInbox/NNTPdeflate.pm b/lib/PublicInbox/NNTPdeflate.pm
index 8efb662f5ab5ec3d168e2742b8a0e72da4080ba3..eb400c9c22057da11b5bd3d3d396ab79213c7108 100644
--- a/lib/PublicInbox/NNTPdeflate.pm
+++ b/lib/PublicInbox/NNTPdeflate.pm
@@ -62,7 +62,6 @@
 # overrides PublicInbox::NNTP::compressed
 sub compressed { 1 }
 
-# $_[1] may be a reference or not
 sub do_read ($$$$) {
 	my ($self, $rbuf, $len, $off) = @_;