diff --git a/autoconf.spec b/autoconf.spec
index 50d07a36a5d958768125ed261f16d1795bd91a6f..509f7e29380f99faed4060499b84894f88ad36e6 100644
--- a/autoconf.spec
+++ b/autoconf.spec
@@ -3,7 +3,7 @@
 
 Name:           autoconf
 Version:        2.71
-Release:        6
+Release:        7
 Summary:        An extensible package to automatically configure software source code packages
 License:        GPLv2+ and GPLv3+ and GFDL-1.3-only
 URL:            https://www.gnu.org/software/%{name}/
@@ -40,13 +40,6 @@ export EMACS=%{_bindir}/emacs
 %make_build
 
 %check
-echo 'main() {}' | g++ -E -v - > g++.log 2>&1
-grep -rn -m 1 COLLECT_GCC_OPTIONS g++.log > option.log
-GCC_OPTION=`cat option.log`
-if [[ $GCC_OPTION != *"fsigned-char"* ]];then
-  sed -i "s|((char) -1) < 0|((unsigned char) -1) < 0|g" lib/autoconf/c.m4
-fi
-rm -rf g++.log option.log
 make %{?_smp_mflags} check
 
 %install
@@ -79,6 +72,12 @@ fi
 
 
 %changelog
+* Thu Jun 13 2024 fuanan <fuanan3@h-partners.com> - 2.71-7
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Delete the code that adapts to lib/autoconf/c.m4
+
 * Wed Jun 12 2024 fuanan <fuanan3@h-partners.com> - 2.71-6
 - Type:bugfix
 - ID:NA