diff --git a/Mozilla-CA-20180117-Redirect-to-ca-certificates-bundle.patch b/Mozilla-CA-20180117-Redirect-to-ca-certificates-bundle.patch
deleted file mode 100644
index 4526784..0000000
--- a/Mozilla-CA-20180117-Redirect-to-ca-certificates-bundle.patch
+++ /dev/null
@@ -1,73 +0,0 @@
-From 96ff151cf584ccfcc31e37a83ba30a793b5922e9 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
-Date: Fri, 16 Sep 2011 10:33:54 +0200
-Subject: [PATCH] Redirect to ca-certificates bundle
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This patch replaces Mozilla-CA certificate bundle with bundle
-delivered by ca-certificates RPM package used as single source of
-Mozilla certificate bundle.
-
-See <https://bugzilla.redhat.com/show_bug.cgi?id=738383> for more
-details.
-
-Signed-off-by: Petr Písař <ppisar@redhat.com>
----
- MANIFEST          | 1 -
- Makefile.PL       | 8 ++++++++
- lib/Mozilla/CA.pm | 8 +-------
- 3 files changed, 9 insertions(+), 8 deletions(-)
-
-diff --git a/MANIFEST b/MANIFEST
-index a88847b..6577ede 100644
---- a/MANIFEST
-+++ b/MANIFEST
-@@ -1,5 +1,4 @@
- lib/Mozilla/CA.pm
--lib/Mozilla/CA/cacert.pem
- Makefile.PL
- MANIFEST			This list of files
- README
-diff --git a/Makefile.PL b/Makefile.PL
-index 9faf720..a491813 100644
---- a/Makefile.PL
-+++ b/Makefile.PL
-@@ -40,3 +40,11 @@ BEGIN {
-         ExtUtils::MakeMaker::WriteMakefile(%arg);
-     };
- }
-+
-+package MY;
-+sub MY::libscan {
-+    my $name = shift->SUPER::libscan(@_);
-+    # Remove private certificate bundle
-+    if ($name =~ /cacert.pem\z/) { $name = '' };
-+    return $name;
-+}
-diff --git a/lib/Mozilla/CA.pm b/lib/Mozilla/CA.pm
-index c2f35b5..46a1912 100644
---- a/lib/Mozilla/CA.pm
-+++ b/lib/Mozilla/CA.pm
-@@ -3,16 +3,10 @@ package Mozilla::CA;
- use strict;
- our $VERSION = '20180117';
- 
--use Cwd ();
- use File::Spec ();
--use File::Basename qw(dirname);
- 
- sub SSL_ca_file {
--    my $file = File::Spec->catfile(dirname(__FILE__), "CA", "cacert.pem");
--    if (!File::Spec->file_name_is_absolute($file)) {
--	$file = File::Spec->catfile(Cwd::cwd(), $file);
--    }
--    return $file;
-+    return File::Spec->catfile('/etc/pki/tls/certs/ca-bundle.crt');
- }
- 
- 1;
--- 
-2.13.6
-
diff --git a/perl-Mozilla-CA.spec b/perl-Mozilla-CA.spec
index ede3228..913e88b 100644
--- a/perl-Mozilla-CA.spec
+++ b/perl-Mozilla-CA.spec
@@ -1,13 +1,11 @@
 Name:           perl-Mozilla-CA
 Epoch:          1
 Version:        20180117
-Release:        3
+Release:        4
 Summary:        Mozilla's CA cert bundle in PEM format
 License:        MPLv2.0
 URL:            https://metacpan.org/release/Mozilla-CA
 Source0:        https://cpan.metacpan.org/authors/id/A/AB/ABH/Mozilla-CA-%{version}.tar.gz
-# See <https://bugzilla.redhat.com/show_bug.cgi?id=738383> for more
-Patch6000:      Mozilla-CA-20180117-Redirect-to-ca-certificates-bundle.patch
 BuildArch:      noarch
 BuildRequires:  make coreutils perl perl-generators perl-PathTools perl-ExtUtils-MakeMaker
 Requires:       perl perl-PathTools ca-certificates
@@ -47,8 +45,10 @@ make test
 %files help
 %{_mandir}/man3/*
 
-
 %changelog
+* Sun Jan 12 2020 openEuler Buildteam <buildteam@openeuler.org> - 1:20180117-4
+- Delete redundant file
+
 * Tue Sep 24 2019 openEuler Buildteam <buildteam@openeuler.org> - 1:20180117-3
 - Adjust requires