lib/PublicInbox/GzipFilter.pm | 6 +++---
 lib/PublicInbox/WwwText.pm    | 1 -

diff --git a/lib/PublicInbox/GzipFilter.pm b/lib/PublicInbox/GzipFilter.pm
index 99d43cf04cb93da78aedd362b9907b566c1041cf..6380f50e91f80ebd5e69d69b791cf36d5296e051 100644
--- a/lib/PublicInbox/GzipFilter.pm
+++ b/lib/PublicInbox/GzipFilter.pm
@@ -5,7 +5,7 @@ # Qspawn filter
 package PublicInbox::GzipFilter;
 use strict;
 use parent qw(Exporter);
-use Compress::Raw::Zlib qw(Z_FINISH Z_OK);
+use Compress::Raw::Zlib qw(Z_OK);
 use PublicInbox::CompressNoop;
 use PublicInbox::Eml;
 use PublicInbox::GitAsyncCat;
@@ -95,7 +95,7 @@
 		$self->{zbuf} = $zbuf;
 		'';
 	} else { # undef == EOF
-		my $err = $gz->flush($zbuf, Z_FINISH);
+		my $err = $gz->flush($zbuf);
 		die "gzip->flush: $err" if $err != Z_OK;
 		$zbuf;
 	}
@@ -125,7 +125,7 @@ 	if (defined $_[1]) {
 		$err = $gz->deflate($_[1], $zbuf);
 		die "gzip->deflate: $err" if $err != Z_OK;
 	}
-	$err = $gz->flush($zbuf, Z_FINISH);
+	$err = $gz->flush($zbuf);
 	die "gzip->flush: $err" if $err != Z_OK;
 	$zbuf;
 }
diff --git a/lib/PublicInbox/WwwText.pm b/lib/PublicInbox/WwwText.pm
index ea50428e35c826be79898bee14531030396fe576..08691684d99ea5f9fad132ce10e0131f1fbbc752 100644
--- a/lib/PublicInbox/WwwText.pm
+++ b/lib/PublicInbox/WwwText.pm
@@ -11,7 +11,6 @@ use PublicInbox::WwwStream;
 use PublicInbox::Hval qw(ascii_html);
 use URI::Escape qw(uri_escape_utf8);
 use PublicInbox::GzipFilter qw(gzf_maybe);
-use Compress::Raw::Zlib qw(Z_FINISH Z_OK);
 our $QP_URL = 'https://xapian.org/docs/queryparser.html';
 our $WIKI_URL = 'https://en.wikipedia.org/wiki';
 my $hl = eval {