1 files changed, 1 insertions, 4 deletions
diff --git a/lib/PublicInbox/NNTPdeflate.pm b/lib/PublicInbox/NNTPdeflate.pm
index dec88aba..02af935f 100644
--- a/lib/PublicInbox/NNTPdeflate.pm
+++ b/lib/PublicInbox/NNTPdeflate.pm
@@ -16,11 +16,9 @@
  #       efficient in terms of server memory usage.
  package PublicInbox::NNTPdeflate;
  use strict;
-use warnings;
  use 5.010_001;
-use base qw(PublicInbox::NNTP);
+use parent qw(PublicInbox::NNTP);
  use Compress::Raw::Zlib;
-use Hash::Util qw(unlock_hash); # dependency of fields for perl 5.10+, anyways
  
  my %IN_OPT = (
          -Bufsize => PublicInbox::NNTP::LINE_MAX,
@@ -53,7 +51,6 @@ sub enable {
                  $self->res('403 Unable to activate compression');
                  return;
          }
-        unlock_hash(%$self);
          $self->res('206 Compression active');
          bless $self, $class;
          $self->{zin} = $in;