diff --git a/sssd.spec b/sssd.spec
index 917bfe435e7c9507bdc752d3c8c3eb808e2cbd4c..f0d1ba490ba1e7a7f4f993ce2056f0c2dbafc800 100644
--- a/sssd.spec
+++ b/sssd.spec
@@ -1,6 +1,6 @@
 Name: sssd
 Version: 2.5.1
-Release: 1
+Release: 2
 Summary: System Security Services Daemon
 License: GPLv3+ and LGPLv3+
 URL: https://pagure.io/SSSD/sssd/
@@ -76,18 +76,18 @@ Requires(preun): /usr/sbin/alternatives
 %global libwbc_alternatives_suffix -64
 %endif
 
-BuildRequires: autoconf automake libtool m4 gcc popt-devel libtalloc-devel libtevent-devel
-BuildRequires: libtdb-devel libldb-devel libdhash-devel  libcollection-devel
-BuildRequires: libini_config-devel dbus-devel dbus-libs openldap-devel pam-devel
-BuildRequires: nss-devel nspr-devel pcre-devel libxslt libxml2 docbook-style-xsl
-BuildRequires: krb5-devel c-ares-devel python3-devel check-devel
-BuildRequires: doxygen libselinux-devel libsemanage-devel bind-utils keyutils-libs-devel
-BuildRequires: gettext-devel pkgconfig diffstat findutils glib2-devel selinux-policy-targeted
-BuildRequires: libcmocka-devel  uid_wrapper nss_wrapper libnl3-devel systemd-devel systemd
+BuildRequires: libtool popt-devel
+BuildRequires: libldb-devel
+BuildRequires: libini_config-devel openldap-devel pam-devel
+BuildRequires: libxslt docbook-style-xsl
+BuildRequires: c-ares-devel python3-devel check-devel
+BuildRequires: doxygen libsemanage-devel bind-utils
+BuildRequires: gettext-devel glib2-devel
+BuildRequires: systemd-devel
 BuildRequires: cifs-utils-devel libnfsidmap-devel samba4-devel libsmbclient-devel samba-winbind
-BuildRequires: systemtap-sdt-devel http-parser-devel libuuid-devel jansson-devel libcurl-devel
-BuildRequires: gdm-pam-extensions-devel p11-kit-devel openssl-devel gnutls-utils softhsm 
-BuildRequires: openssl openssh nss-tools chrpath ding-libs-devel
+BuildRequires: systemtap-sdt-devel jansson-devel
+BuildRequires: p11-kit-devel openssl-devel
+BuildRequires: chrpath
 
 %description
 SSSD provides a set of daemons to manage access to remote directories
@@ -538,6 +538,9 @@ fi
                                 %{_libdir}/%{name}/modules/libwbclient.so
 
 %changelog
+* Tue Aug 24 2021 chenyanpanHW <chenyanpan@huawei.com> - 2.5.1-2
+- DESC: remove unnesseary BuildRequires
+
 * Tue Jul 6 2021 zoulin <zoulin13@huawei.com> - 2.5.1-1
 - update version to 2.5.1;
 - do not use systemd to restart services with RefuseManualStart=true