lib/PublicInbox/GitHTTPBackend.pm | 1 +
 lib/PublicInbox/Mbox.pm           | 1 -
 lib/PublicInbox/View.pm           | 2 --

diff --git a/lib/PublicInbox/GitHTTPBackend.pm b/lib/PublicInbox/GitHTTPBackend.pm
index b684988d06b18edba847c1641874caff6cc01664..ebb0850ad1b9b2d35896c0834ef9fdd0475d34f2 100644
--- a/lib/PublicInbox/GitHTTPBackend.pm
+++ b/lib/PublicInbox/GitHTTPBackend.pm
@@ -10,6 +10,7 @@ use Fcntl qw(:seek);
 use IO::File;
 use HTTP::Date qw(time2str);
 use HTTP::Status qw(status_message);
+use Plack::Util;
 use PublicInbox::Qspawn;
 
 # n.b. serving "description" and "cloneurl" should be innocuous enough to
diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index 9dad0f6da25dc0c28c26484e1254b81dabafbaeb..d2c095445778f368160a165f6b14cf8921e1bb43 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -8,7 +8,6 @@ use strict;
 use warnings;
 use PublicInbox::MID qw/mid_clean/;
 use URI::Escape qw/uri_escape_utf8/;
-use Plack::Util;
 require Email::Simple;
 
 sub emit1 {
diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 054b358003b95edf1c77e49f0004a46d80b1740e..275fed43d23526adf48ea4c4cca12bbecfe32320 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -8,8 +8,6 @@ use strict;
 use warnings;
 use URI::Escape qw/uri_escape_utf8/;
 use Date::Parse qw/str2time/;
-use Encode::MIME::Header;
-use Plack::Util;
 use PublicInbox::Hval qw/ascii_html/;
 use PublicInbox::Linkify;
 use PublicInbox::MID qw/mid_clean id_compress mid_mime/;