diff --git a/MANIFEST b/MANIFEST
deleted file mode 100644
index 40a4896..0000000
--- a/MANIFEST
+++ /dev/null
@@ -1,17 +0,0 @@
-Artistic
-Build.PL
-Changes
-COPYING
-INSTALL
-lib/Acme/GuessNumber.pm
-Makefile.PL
-MANIFEST			This list of files
-META.yml
-README
-SIGNATURE
-t/00-signature.t
-t/01-basic.t
-t/99-pod.t
-TODO
-META.json
-SIGNATURE    Added here by Module::Build
diff --git a/META.json b/META.json
deleted file mode 100644
index 44d0319..0000000
--- a/META.json
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-   "abstract" : "Automatic number guessing game robot",
-   "author" : [
-      "imacat <imacat@mail.imacat.idv.tw>"
-   ],
-   "dynamic_config" : 1,
-   "generated_by" : "Module::Build version 0.4005, CPAN::Meta::Converter version 2.130880",
-   "license" : [
-      "perl_5"
-   ],
-   "meta-spec" : {
-      "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
-      "version" : "2"
-   },
-   "name" : "Acme-GuessNumber",
-   "prereqs" : {
-      "build" : {
-         "requires" : {
-            "Module::Signature" : "0",
-            "Test::Pod" : "0"
-         }
-      },
-      "configure" : {
-         "requires" : {
-            "Module::Build" : "0.40"
-         }
-      }
-   },
-   "provides" : {
-      "Acme::GuessNumber" : {
-         "file" : "lib/Acme/GuessNumber.pm",
-         "version" : "0.04"
-      }
-   },
-   "release_status" : "stable",
-   "resources" : {
-      "license" : [
-         "http://dev.perl.org/licenses/"
-      ]
-   },
-   "version" : "0.04"
-}
diff --git a/META.yml b/META.yml
deleted file mode 100644
index 4021a9b..0000000
--- a/META.yml
+++ /dev/null
@@ -1,23 +0,0 @@
----
-abstract: 'Automatic number guessing game robot'
-author:
-  - 'imacat <imacat@mail.imacat.idv.tw>'
-build_requires:
-  Module::Signature: 0
-  Test::Pod: 0
-configure_requires:
-  Module::Build: 0.40
-dynamic_config: 1
-generated_by: 'Module::Build version 0.4005, CPAN::Meta::Converter version 2.130880'
-license: perl
-meta-spec:
-  url: http://module-build.sourceforge.net/META-spec-v1.4.html
-  version: 1.4
-name: Acme-GuessNumber
-provides:
-  Acme::GuessNumber:
-    file: lib/Acme/GuessNumber.pm
-    version: 0.04
-resources:
-  license: http://dev.perl.org/licenses/
-version: 0.04
diff --git a/MYMETA.json b/MYMETA.json
deleted file mode 100644
index c835ba1..0000000
--- a/MYMETA.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-   "abstract" : "Automatic number guessing game robot",
-   "author" : [
-      "imacat <imacat@mail.imacat.idv.tw>"
-   ],
-   "dynamic_config" : 0,
-   "generated_by" : "Module::Build version 0.4005, CPAN::Meta::Converter version 2.130880",
-   "license" : [
-      "perl_5"
-   ],
-   "meta-spec" : {
-      "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
-      "version" : "2"
-   },
-   "name" : "Acme-GuessNumber",
-   "prereqs" : {
-      "build" : {
-         "requires" : {
-            "ExtUtils::MakeMaker" : "0"
-         }
-      },
-      "configure" : {
-         "requires" : {
-            "Module::Build" : "0.40"
-         }
-      },
-      "runtime" : {
-         "requires" : {}
-      }
-   },
-   "provides" : {
-      "Acme::GuessNumber" : {
-         "file" : "lib/Acme/GuessNumber.pm",
-         "version" : "0.04"
-      }
-   },
-   "release_status" : "stable",
-   "resources" : {
-      "license" : [
-         "http://dev.perl.org/licenses/"
-      ]
-   },
-   "version" : "0.04"
-}
diff --git a/MYMETA.yml b/MYMETA.yml
deleted file mode 100644
index e5969dd..0000000
--- a/MYMETA.yml
+++ /dev/null
@@ -1,23 +0,0 @@
----
-abstract: 'Automatic number guessing game robot'
-author:
-  - 'imacat <imacat@mail.imacat.idv.tw>'
-build_requires:
-  ExtUtils::MakeMaker: 0
-configure_requires:
-  Module::Build: 0.40
-dynamic_config: 0
-generated_by: 'Module::Build version 0.4005, CPAN::Meta::Converter version 2.130880'
-license: perl
-meta-spec:
-  url: http://module-build.sourceforge.net/META-spec-v1.4.html
-  version: 1.4
-name: Acme-GuessNumber
-provides:
-  Acme::GuessNumber:
-    file: lib/Acme/GuessNumber.pm
-    version: 0.04
-requires: {}
-resources:
-  license: http://dev.perl.org/licenses/
-version: 0.04
diff --git a/SIGNATURE b/SIGNATURE
deleted file mode 100644
index a20e4c5..0000000
--- a/SIGNATURE
+++ /dev/null
@@ -1,38 +0,0 @@
-This file contains message digests of all files listed in MANIFEST,
-signed via the Module::Signature module, version 0.70.
-
-To verify the content in this distribution, first make sure you have
-Module::Signature installed, then type:
-
-    % cpansign -v
-
-It will check each file's integrity, as well as the signature's
-validity.  If "==> Signature verified OK! <==" is not displayed,
-the distribution may already have been compromised, and you should
-not run its Makefile.PL or Build.PL.
-
------BEGIN PGP SIGNED MESSAGE-----
-Hash: SHA1
-
-SHA1 be0627fff2e8aef3d2a14d5d7486babc8a4873ba Artistic
-SHA1 d117308a9f5dcdc8fe8894adaba4c2f810d59e7c Build.PL
-SHA1 8624bcdae55baeef00cd11d5dfcfa60f68710a02 COPYING
-SHA1 b4847c5c927898aa7a2bacf5dc3f67c7a533ecbf Changes
-SHA1 32ef45b43fdaac94b23f0cd3728e6a093baf86e9 INSTALL
-SHA1 364cd00228c739ba196c0a1345bb0578568cd753 MANIFEST
-SHA1 bec3cad1891530bbf11a819cd8648f533ce8eed1 META.json
-SHA1 9e2aabc6c76c19763efe28c10d4beafb4312f1e8 META.yml
-SHA1 6f8287182e21f89edcd80bcf4d2dc55dcc3b6001 Makefile.PL
-SHA1 305c643be06fa1ecf2c753bbb59e3f0076f9af69 README
-SHA1 70bf2351d9e5f66b43ba4fa4701f161286e11b3e TODO
-SHA1 d5c5540d71ffd2b2b8c8c8e9d8cb8bc6630d7d31 lib/Acme/GuessNumber.pm
-SHA1 525f414c7a0aadc61240a4b0959ca2cda7514c75 t/00-signature.t
-SHA1 43166ff7bf57d5c5b62efa507296f680a8aff524 t/01-basic.t
-SHA1 b85626024d610808bd0909989dcfb9fb20a40485 t/99-pod.t
------BEGIN PGP SIGNATURE-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
-iEYEARECAAYFAlGL/hUACgkQi9gubzC5S1zydQCghQgL3f9k2UsXx8+0HxGca2yZ
-XzQAn0xLibUyvJrvNM7QH9SzdHQvGmsX
-=yltL
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diff --git a/pm_to_blib b/pm_to_blib
deleted file mode 100644
index e69de29..0000000