diff --git a/cpanspec.yml b/cpanspec.yml
index 1b5942a..ca0a59d 100644
--- a/cpanspec.yml
+++ b/cpanspec.yml
@@ -1,30 +1,2 @@
 ---
-#description_paragraphs: 3
-#description: |-
-#  override description from CPAN
-#summary: override summary from CPAN
-#no_testing: broken upstream
-#sources:
-#  - source1
-#  - source2
-#patches:
-#  foo.patch: -p1
-#  bar.patch:
-format.patch: -p1
-undefined.patch: -p1
-#preamble: |-
-# BuildRequires:  gcc-c++
-#post_prep: |-
-# hunspell=`pkg-config --libs hunspell | sed -e 's,-l,,; s,  *,,g'`
-# sed -i -e "s,hunspell-X,$hunspell," t/00-prereq.t Makefile.PL 
-#post_build: |-
-# rm unused.files
-#post_install: |-
-# sed on %{name}.files
 license: (Artistic-1.0 or GPL-1.0+) and Apache-2.0
-#skip_noarch: 1
-#custom_build: |-
-#./Build build flags=%{?_smp_mflags} --myflag
-#custom_test: |-
-#startserver && make test
-#ignore_requires: Bizarre::Module
diff --git a/format.patch b/format.patch
deleted file mode 100644
index e2fc065..0000000
--- a/format.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-Index: List-MoreUtils-XS-0.423/XS.xs
-===================================================================
---- List-MoreUtils-XS-0.423.orig/XS.xs
-+++ List-MoreUtils-XS-0.423/XS.xs
-@@ -2310,7 +2310,7 @@ CODE:
-         idx = SvIV(*PL_stack_sp);
- 
-         if (UNLIKELY(idx < 0 && (idx += (AvFILLp(tmp)+1)) < 0))
--            croak("Modification of non-creatable array value attempted, subscript %ld", idx);
-+            croak("Modification of non-creatable array value attempted, subscript %" IVdf, idx);
- 
-         if(UNLIKELY(NULL == (inner = av_fetch(tmp, idx, FALSE))))
-         {
diff --git a/perl-List-MoreUtils-XS.changes b/perl-List-MoreUtils-XS.changes
index 10b0025..1900560 100644
--- a/perl-List-MoreUtils-XS.changes
+++ b/perl-List-MoreUtils-XS.changes
@@ -16,6 +16,7 @@ Tue Oct  3 05:40:02 UTC 2017 - coolo@suse.com
         thanks Alexander Bluhm <alexander.bluhm@gmx.net> for reporting).
       - Fix compiling issue on CentOS 4 & CentOS 5 (thanks Alex Karelas
         <alex.karelas@gmail.com> for reporting and testing the fix)
+- obsolete format.patch and undefined.patch
 
 -------------------------------------------------------------------
 Tue Sep 12 08:16:32 UTC 2017 - schwab@suse.de
diff --git a/undefined.patch b/undefined.patch
deleted file mode 100644
index 7a21e47..0000000
--- a/undefined.patch
+++ /dev/null
@@ -1,14 +0,0 @@
-Index: List-MoreUtils-XS-0.423/XS.xs
-===================================================================
---- List-MoreUtils-XS-0.423.orig/XS.xs
-+++ List-MoreUtils-XS-0.423/XS.xs
-@@ -2114,7 +2114,8 @@ CODE:
- 
-     if(seen_undef == max)
-     {
--        EXTEND(SP, ++count);
-+        ++count;
-+        EXTEND(SP, count);
-         ST(count-1) = &PL_sv_undef;
-     }
-