diff --git a/Porting/Maintainers.pl b/Porting/Maintainers.pl
index efb8119273fe..d7c7b2fa5711 100755
--- a/Porting/Maintainers.pl
+++ b/Porting/Maintainers.pl
@@ -214,11 +214,6 @@ package Maintainers;
             'bzip2-src/bzip2-cpp.patch',
             'bzip2-src/bzip2-unsigned.patch',
         ],
-        'CUSTOMIZED'   => [
-            # https://github.com/pmqs/Compress-Raw-Bzip2/issues/11
-            'Bzip2.xs',
-            'lib/Compress/Raw/Bzip.pm'
-        ],
     },
 
     'Compress::Raw::Zlib' => {
@@ -232,11 +227,6 @@ package Maintainers;
                 t/99pod.t
                 ),
         ],
-        'CUSTOMIZED' => [
-            # https://github.com/pmqs/Compress-Raw-Zlib/issues/23
-            'lib/Compress/Raw/Zlib.pm',
-            'Zlib.xs'
-        ],
     },
 
     'Config::Perl::V' => {
diff --git a/t/porting/customized.dat b/t/porting/customized.dat
index 7c64d127fcd6..172400f6f473 100644
--- a/t/porting/customized.dat
+++ b/t/porting/customized.dat
@@ -2,9 +2,6 @@
 #     cd t
 #     ./perl -I../lib porting/customized.t --regen
 AutoLoader cpan/AutoLoader/t/02AutoSplit.t bb90cda13b88599ad45de4b45799d5218afcb6d8
-Compress::Raw::Bzip2 cpan/Compress-Raw-Bzip2/Bzip2.xs 76ad65475e73a545d0e1513e3dfdc4033db3c7c0
-Compress::Raw::Zlib cpan/Compress-Raw-Zlib/lib/Compress/Raw/Zlib.pm 4198f92e2880d36d6cef4f1be216005b6738ada8
-Compress::Raw::Zlib cpan/Compress-Raw-Zlib/Zlib.xs 2ed95faab364703f6b93f7ffff6e0f2a2b2adedd
 Digest::MD5 cpan/Digest-MD5/MD5.pm cf2fd9d327f3e314e9e66bb6ecb7a62b4ec72767
 Digest::MD5 cpan/Digest-MD5/MD5.xs dc40839d25ba5e2d6f42fc9b81b409f1d0dbfb0e
 ExtUtils::Constant cpan/ExtUtils-Constant/lib/ExtUtils/Constant/Base.pm 7560e1018f806db5689dee78728ccb8374aea741