Documentation/public-inbox-httpd.pod | 1 -
 INSTALL                              | 5 -----
 ci/deps.perl                         | 1 -
 examples/cgit.psgi                   | 8 --------
 examples/newswww.psgi                | 8 --------
 examples/public-inbox.psgi           | 9 ---------
 examples/unsubscribe.psgi            | 1 -
 script/public-inbox-httpd            | 9 ---------
 script/public-inbox.cgi              | 7 -------

diff --git a/Documentation/public-inbox-httpd.pod b/Documentation/public-inbox-httpd.pod
index c1ebfd8222b0c8a40f202de3625855b8087418b9..2f4e9e5d198bcf7fe1e51396010a50d33f683ab8 100644
--- a/Documentation/public-inbox-httpd.pod
+++ b/Documentation/public-inbox-httpd.pod
@@ -15,7 +15,6 @@ the PSGI file.
 
 If a PSGI file is not specified, L<PublicInbox::WWW> is
 loaded with a default middleware stack consisting of
-L<Plack::Middleware::Deflater>,
 L<Plack::Middleware::ReverseProxy>, and
 L<Plack::Middleware::Head>
 
diff --git a/INSTALL b/INSTALL
index 05e0f95e9142e43b5f4e31fc926c8e446b4b9cac..9f05c3f622509ec4fc8832ea13d77a575d6fb1af 100644
--- a/INSTALL
+++ b/INSTALL
@@ -100,11 +100,6 @@                                    rpm: perl-Plack-Middleware-ReverseProxy
                                    (ensures redirects are correct when running
                                     behind nginx or Varnish)
 
-- Plack::Middleware::Deflater      deb: libplack-middleware-deflater-perl
-                                   pkg: p5 -Plack-Middleware-Deflater
-                                   rpm: perl-Plack-Middleware-Deflater
-                                   (saves bandwidth on responses)
-
 * highlight                        deb: libhighlight-perl
                                    (for syntax highlighting with coderepo)
 
diff --git a/ci/deps.perl b/ci/deps.perl
index 501f51129e7c3c69848da4ad9b43cf56d14cf0f8..77d95fc8e749071237ea03dec9ff438950393f00 100755
--- a/ci/deps.perl
+++ b/ci/deps.perl
@@ -36,7 +36,6 @@ 		Inline::C
 		Net::Server
 		Plack
 		Plack::Test
-		Plack::Middleware::Deflater
 		Plack::Middleware::ReverseProxy
 		Search::Xapian
 		Socket6
diff --git a/examples/cgit.psgi b/examples/cgit.psgi
index e72e832d03be09b9c5aeedbc9620a2e1a40c4681..7ad38e2802246fe491ad5464da5964440e4894b9 100644
--- a/examples/cgit.psgi
+++ b/examples/cgit.psgi
@@ -18,14 +18,6 @@ my $pi_config = PublicInbox::Config->new;
 my $cgit = PublicInbox::Cgit->new($pi_config);
 
 builder {
-	eval {
-		enable 'Deflater',
-			content_type => [ qw(
-				text/html
-				text/plain
-				application/atom+xml
-				)]
-	};
 	eval { enable 'ReverseProxy' };
 	enable 'Head';
 	sub { $cgit->call($_[0]) }
diff --git a/examples/newswww.psgi b/examples/newswww.psgi
index 3cce7191da827518a6544c7db5f0d6aed2ecd9e9..52ad7043eb60db716a38ec5782dfa71a12e6226f 100644
--- a/examples/newswww.psgi
+++ b/examples/newswww.psgi
@@ -36,14 +36,6 @@ 	# rest of requests will hit this (optional) part for the
 	# regular PublicInbox::WWW code:
 	# see comments in examples/public-inbox.psgi for more info:
 	mount '/' => builder {
-		eval {
-			enable 'Deflater',
-				content_type => [ qw(
-					text/html
-					text/plain
-					application/atom+xml
-					)]
-		};
 		eval { enable 'ReverseProxy' };
 		enable 'Head';
 		sub { $www->call($_[0]) }
diff --git a/examples/public-inbox.psgi b/examples/public-inbox.psgi
index 9891a1f03e747a6a5cf92a1aec51789c40e5243b..3537be2c794b7d460948da876e43e6d68311d08e 100644
--- a/examples/public-inbox.psgi
+++ b/examples/public-inbox.psgi
@@ -22,15 +22,6 @@ my $src = $ENV{SRC_GIT_DIR}; # '/path/to/public-inbox.git'
 $src = PublicInbox::Git->new($src) if defined $src;
 
 builder {
-	eval {
-		enable 'Deflater',
-			content_type => [ qw(
-				text/html
-				text/plain
-				application/atom+xml
-				)]
-	};
-
 	# Enable to ensure redirects and Atom feed URLs are generated
 	# properly when running behind a reverse proxy server which
 	# sets the X-Forwarded-Proto request header.
diff --git a/examples/unsubscribe.psgi b/examples/unsubscribe.psgi
index 6a40f251d5617ed1ffee30ee58d07e84b2f656de..7b97e25322d8395aad6a3a777132e2476de64715 100644
--- a/examples/unsubscribe.psgi
+++ b/examples/unsubscribe.psgi
@@ -61,7 +61,6 @@ );
 
 builder {
 	mount '/u' => builder {
-		eval { enable 'Deflater' }; # optional
 		eval { enable 'ReverseProxy' }; # optional
 		enable 'Head';
 		sub { $app->call(@_) };
diff --git a/script/public-inbox-httpd b/script/public-inbox-httpd
index 09da505e5028952a60551f7bd2ffc25cf57c7780..b8159f3a5db233272cc10eaf83bfa8c924058e71 100755
--- a/script/public-inbox-httpd
+++ b/script/public-inbox-httpd
@@ -27,15 +27,6 @@ 		require PublicInbox::WWW;
 		my $www = PublicInbox::WWW->new;
 		$www->preload;
 		$app = builder {
-			eval {
-				enable 'Deflater',
-					content_type => [ qw(
-						text/html
-						text/plain
-						application/atom+xml
-						)]
-			};
-
 			eval { enable 'ReverseProxy' };
 			$@ and warn
 "Plack::Middleware::ReverseProxy missing,\n",
diff --git a/script/public-inbox.cgi b/script/public-inbox.cgi
index c766483a208cacb4dceec28e8c80795447591ed6..42ab17c9e34b8e10fb24a0410ec25a9b620a3d09 100755
--- a/script/public-inbox.cgi
+++ b/script/public-inbox.cgi
@@ -13,14 +13,7 @@ 	require PublicInbox::WWW;
 	PublicInbox::WWW->preload if $ENV{MOD_PERL};
 }
 my $www = PublicInbox::WWW->new;
-my $have_deflater = eval { require Plack::Middleware::Deflater; 1 };
 my $app = builder {
-	if ($have_deflater) {
-		enable 'Deflater',
-			content_type => [ 'text/html', 'text/plain',
-					'application/atom+xml' ];
-	}
-
 	# Enable to ensure redirects and Atom feed URLs are generated
 	# properly when running behind a reverse proxy server which
 	# sets the X-Forwarded-Proto request header.