--- Makefile.PL.old	2016-01-04 11:31:52.349484123 +0800
+++ Makefile.PL	2016-01-04 11:32:07.432992090 +0800
@@ -15,7 +15,6 @@
 	'LWP::UserAgent' => '6.06',
 	'Net::HTTPS' => 6,
 	'IO::Socket::SSL' => "1.54",
-	'Mozilla::CA' => "20110101",
     },
     META_MERGE => {
 	resources => {
--- lib/LWP/Protocol/https.pm.old	2016-01-04 11:33:19.003810886 +0800
+++ lib/LWP/Protocol/https.pm	2016-01-04 11:34:42.358079461 +0800
@@ -25,25 +25,7 @@
     }
     if ($ssl_opts{SSL_verify_mode}) {
 	unless (exists $ssl_opts{SSL_ca_file} || exists $ssl_opts{SSL_ca_path}) {
-	    eval {
-		require Mozilla::CA;
-	    };
-	    if ($@) {
-		if ($@ =! /^Can't locate Mozilla\/CA\.pm/) {
-		    $@ = <<'EOT';
-Can't verify SSL peers without knowing which Certificate Authorities to trust
-
-This problem can be fixed by either setting the PERL_LWP_SSL_CA_FILE
-environment variable or by installing the Mozilla::CA module.
-
-To disable verification of SSL peers set the PERL_LWP_SSL_VERIFY_HOSTNAME
-environment variable to 0.  If you do this you can't be sure that you
-communicate with the expected peer.
-EOT
-		}
-		die $@;
-	    }
-	    $ssl_opts{SSL_ca_file} = Mozilla::CA::SSL_ca_file();
+	    $ssl_opts{SSL_ca_file} = '/etc/ssl/certs/ca-certificates.crt';
 	}
     }
     $self->{ssl_opts} = \%ssl_opts;